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InvisibleSuperD
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Massive scale infestation..any spray and pray remedies?
    #18972234 - 10/13/13 01:46 PM (10 years, 4 months ago)

Fuck. My. Life.  I recently uncovered a huge scale infestation on dozens of my cacti.  Are there any recommendations you guys have that I can use to cover all of my collection that's affected?  If I were to pick off all the scale eggs by hand it would easily take me several days of non stop picking.  I'll do it if I have to but there's no guarantee they won't come back after that.

The bottom line is I'm looking for an option I can use to spray or treat them all at once.  They're on my pereskiopsis, my pedros, and even some of my beloved variegateds and crests.  I've hand picked what I could off of the most prized specimens but there are still dozens of affected cacti.  I've dealt with quite a few problems before but never scale, and never had a problem this large before.  I just want to fucking end it all instead of deal with it :suicide::mad2:  Any and all suggestions will be considered.  Help me EG, you're my only hope.


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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OfflineEywa_devotee
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18972315 - 10/13/13 02:10 PM (10 years, 4 months ago)

Hand scrap as many as you can and finis off the larva with plain old sulfur dust as it kills scale pretty good. This is usually sold as "rose dust" at nurseries and garden stores.


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"Love one another." "To Love is to know me." "Love is the Law, Love under Will." "In Compassion, all sorrows end." Regardless of the Master, the message is the same- Choose love and you shall live, Choose Fear and you shall die. Help bring peace to this Earth: Love one another, and serve others before yourself.


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InvisibleAndjew
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Re: Massive scale infestation..any spray and pray remedies? *DELETED* [Re: SuperD]
    #18972721 - 10/13/13 03:56 PM (10 years, 4 months ago)

Post deleted by Andjew

Reason for deletion: Redacted for job security



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InvisibleSuperD
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Re: Massive scale infestation..any spray and pray remedies? [Re: Andjew]
    #18972792 - 10/13/13 04:07 PM (10 years, 4 months ago)

I'm going to attempt soaking the roots and all in a weak rubbing alcohol+water+soap solution overnight in a rubbermaid.  The extent of the damage and the scale of it is far too large to deal with individually so either they all get treated or I toss them all out.  I can't do this by hand or it would take me several days or weeks.  I hope this doesn't kill them but I'm not really seeing many other options. :thumbdown:


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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Offlineintelligentlife
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Re: Massive scale infestation..any spray and pray remedies? [Re: Eywa_devotee]
    #18972873 - 10/13/13 04:26 PM (10 years, 4 months ago)

I suggest chemical prevention, possible systemic poison.

But if your plants are outdoors, that isn't good way, then you should have to got some predator bugs. Same in greenhouse, I would avoid strong systemic poisons if plants are outdoors/greenhouse.

I was at same point about year ago cause of spider mites damaging my lophs.. I know exactly what you feel. It feels that you want to throw all plants away and things are like "fuck it!"

...Well cannot help more but I use chemicals to prevention, systemic pesticide what doesn't still effect to spider mites but I have used neem oil mixed to water when I prevent spider mites. In long term neem oil will effect without direct contact.

You can possibe by some pyrethrin spray and use it but watch out you don't spray during day and too close. There are around the globe good aerosol sprays. One very strong and mostly banned(for private use) chemical is dimethoat. It should be avoid when using outdoors or in greenhouse.. It will kill all bugs, good ones too. Also accidents if that chemical compound can get in to water it kills fishes too.. also huge doses of it can damage also plants, don't know for sure but it's very strong poison but mites has got resistance for it, all other bugs will die to this chemical and purpose of chemical is to use it as professional.

Dimethoat will effect as well as humans, I have experienced dimethoat poisoning, eyes are ichy, feeling sick and so on, I suspect the poison get to my system trough inhaling the fumes and I got the water with dimethoat to my skin. Also it cause major headache.. I suggest to use rubber gloves and some mask when using this chemical. Ofc you can get your plants indoors well ventilated place, make dimethoat and neem oil mix to spray and keep spraying infected plants in same place week or two every 3rd day or so so cacti can get dry time also and spraying it doesn't cause rotting.

As far as I know dimethoat can be sprayed to skin of cactus with water and it doesn't cause similar damage than neem oil does, when it's dark time you can spray it to surface of cactus, also it can be used by watering.

There are lots of options you can do. If your cacti are in pots, you can get some aerosol chemicals, put bag over the cactus, spray the bag full of aerosol poison and keep it like one hour there, then repeat this few times.

If you seriously think you have problem you want to solve fast, I hope you have cactus plants in pots, you can bring the pots somewhere away from another collection and start systemic poisoning and same time when you see bugs kill them if you see.

I can freely use dimethoat even in my country it cannot be sell but it can be in regular household item, it just have to buy from another country. It's very powerful liquid and it smell very awful. It's good to kill pests but cacti full of dimethoat or dimethoat at skin of cactus I would not move cactus plants outdoors in 1month cause it seriously kill bees, spiders and even small mammals. It's very fast effective way and possible one watering time kill whole colony. It works good when I use it cause it kill also mealybugs in the roots of cactus what is hard to get off with aerosols.. If dimethoat is nos available, you should start water the plants with neem oil, don't spray them with neem oil but mix the oil to water what you use to give drink to cacti.

when repeating neem oil using as a systemic the effects of the neem oil is starting to see and colonies of bugs starts to reduce.. Neem oil will not work as one hit and it needs long time use when watering with it but it helps. Visible bugs can also get rid of with isopropyl alcohol. In my country are sold isopropyl alcohol as hand desinfection liquid and it's not so strong but strong enough to kill bugs. I have used it with paper towel to wipe lophophora skin and no harm done to skin, only what I have seen the towel is full of some sort of dirt/residues from dead bugs. Also it evaporates fast from cactus skin. I don't know what kind of products your country are allowed to buy to use in garden but there is lots of good pesticides you can get.

One good thing really is predatory bugs, they can be buy'd from my country easily and using army of your bugs to kill pests from plants are good way, this is still a problem in the way that sooner of later predators doesn't have enough food left and they will die too and there will be for sure some pest in your plants. But you can release from time to time predatory bugs to your infected plants and let the nature do the job.

I have noticed past summer that in greenhouse my cactus plants was in very good shape and health, no bugs at all.. Only bugs eating another bugs. Some ants I spot but my greenhouse is crawling spiders so much that there is not even enough bugs to eat for spiders but they do very nice job for me to prevent bugs on cactus plants.

When I move cacti to greenhouse I keep one or two months dimethoat free watering to make sure I don't kill natures good bugs cause I have made one mistake and after I moved cactus to greenhouse and remember it have used dimethoat for it, there was dead bee lying on the greenhouse floor, also it kills good pollinating insects so I don't suggest to use it if you really don't feel it's necessary.. There is still lots of pesticides to use, also predatory bugs can be buy'd online and then release small army of predatory bugs directly on the spot where is pests on your cactus, then possible repeat releasing predatory bugs few times to make sure hatching bugs die too.. Predators will die if their pray ends and some of them needs lots of food, some of them eat eggs and adults, some of them doesn't eat eggs and possible they run out of food and they will die if there is no pests for their food.

Nature have good balance with cacti, even plants are infected by pests, there will be always some predator what finds the pests and balance is good. There should be pests always available in case of you want your garden have always predators.

I have realized that pests are only good to keep at control, get rid of them is almost impossible so prevention and controlling them by not let the spread lots is good thing... Possible next summer I keep all my plants in greenhouse for few weeks to make sure spiders "clean" my plants if there is something.. I don't know does my climate cause greenhouse impossible for spider mites cause every night comes some moisture trough condensation cause even growth season temperatures drop so much.. But I love the spiders doing their job at summer time so I will wait next summer very much to get all my plants in greenhouse and all pests to feed spiders.

Also there is one bug present, it eat plants if there is no pests to eat but I have not seen any pest infection when keep plants in greenhouse.. ants can carry some but rarely they can be found from cacti.. usually my cactus plants are full of spider web from around spines when I move them indoors..

Natural way would be best, buy somewhere predator bugs, show the pests you have co-workers and let predators kill them, just like in nature happens, that's why there is rarely plants full of pests cause predators keep balance.

I have notice for real that few bug on plant doesn't matter and only control is the way to go.. When starting to get bigger collection and first pests, there will be always pests. If your pests lay their eggs to soil, this may sound hard work but change the soil and make totally new soil so eggs in soil doesn't hatch and bug doesn't come to eat your plants.

do you have your cacti indoors, greenhouse or simply outdoors? or summer outdoors and winter indoors? Would be good to know the situation when advice to use of pesticides cause for sake of nature, do not use strong systemic pesticides plants outdoor, let nature do the work for you and buy army of bugs killing pests. If my small country sell pure natural predatory bugs for control of pests to organic farming and they can be buy as well as private person or company, they would be good choice and you can just introduce pest infected plants to your predators and let battle begin, possible later release second or third army of predators for hunting the pests..

Pests will be always, no matter what, only thing is you have to find the balance to control of them, getting totally rid all of the may sound impossible and in some cases if your collection is big enough, it is impossible. There is still good tricks to clean your garden:
-Change ALL SOIL and add PURE NEW
-Use systemic pesticides to plants what is taken off from the pots, spray strong poison to roots and all over the skin, do this indoors in shady place.
-Get new soil and moisten the new soil mix with systemic pesticide(s)
-Plant everything again to already pesticide(s) used moist when roots are okay and no damage.
-If you don't want to start working or garden is too big, try just to get them under control without think even you can get rid of all pests you have in plants.
-Or as I said, buy predatory bugs and introduce your infected plants to predators by releasing them for hunt.
-Use soap water at first, in my country can be buy'd pine tree soap and it's effective for control but using it doesn't cause colony to vanish from collection.

Don't get mad about pests, they come sooner or later when starting hobby of collecting cactus plants. It will feel disappointing and almost impossible hard and depressing when find lots of pests but when you get them under control, one or two bugs here or there is normal in cactus garden, just make sure they have no chance to get spread further and start form colony when things goes more hard and tricky like your situation seems.

Colony of pests found by accident is very frustrating.. Before I was a person who frustrated even I see only one bug, now days if I see only one bug but otherwise bugs are under control I don't take a stress or that... I have experienced a big lost of cactus plants what I have been grown long time when I buy'd cactus at winter time and forgot whole fucking inspection from one ferocactus, it was full of mealybugs and they spread to my collection cause cobular feroactus turned into cobular white fuzz of mealybug nest and therefor over half of my collected plants some of them many years old was rotting cause amount of bugs.

I suggest first of all predatory bugs or aerosol pyrethrins, possible systemic pesticides or every  kind of tek to get pests under control. Isopropyl alcohol is good to use if you have plants with small amount of spines, just use some towel, make it wet with solution of isopropyl alcohol and then wipe all visible bugs with that..

Winter time seems to be hard no matter where you are... I have every winter problem with mites and over dormant time mealybugs has been spread under the soil to suck tap roots of plants. It's almost always a rule that when I see one mealybug at fall, there is small colony starting to rise eating my plants at spring cause there is nothing how to control the bugs, no watering with systemic pesticide and if so, after months effects of pesticides given at fall has gone when spring comes.

Long story short, bugs no matter what and no matter of amount alway prepare to control them... First of all just get your goal to reduce the amount of bugs, later on get your goal to try get totally rid of the bugs what seems it's impossible if collection is large enough.

If you have only few cactus plants, it is very easy to wipe whole colony of pests from collection, when you have lots of them and you have seen work and effort to collect them, you have to see work and effort to take care of them by control the pests no matter what.

Start from small goals, so when you have get your easy goal complete(reducing amount of pests significantly) then you can start working treatment to try get rid of all bugs but I can say it's hard... I have small garden compared to most of collectors there, still get rid of all pests is hard and winters are harder cause in my climate my garden attract pests easily so prevention needs to start before there is any bugs visible. Most bugs are just hard and they can be find only after it's too late and they have colonize almost whole garden.. For a tip: if you don't even find pests from plants, make time to time some prevention action with some chemicals to keep control on. I have not get rid of all bugs but I have get them under control that they doesn't harm my hobby. Also I have access to huge spectrum of pesticides helping me.

I just actually finished soil change to ALL lophophora plants.. I just wanted to make sure cause if cactus have mealybugs, then probably soil have eggs and bugs too so best way is get rid of the soil to and change new soil to get rid of "bad soil"

Well... Good luck, don't loose your enthusiasm cause of pests, they are challenge like every hobby have their own challenges, luckily cactus pests are relatively easy to control than plants with large amount of foliage..  That's why I cut my chili plants very small and reduce amount of foliage when plants are indoors to prevent spider mites form a colony to chili plant foliage. They are easier to control cause they can be sprayed with neem water or regular water all the time, cactus plants are in that case hard cause pesticides with water is not good thing with cactus always even they can be wipe out pests only when watering one time and no more.. If poison is strong enough and pests isn't resistant to poison you can obtain.


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InvisibleSuperD
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Re: Massive scale infestation..any spray and pray remedies? [Re: intelligentlife]
    #18973070 - 10/13/13 05:07 PM (10 years, 4 months ago)

I went out and bought some organic insecticidal soap and have sprayed half of the infested cacti to see how they react.  Perhaps tomorrow I'll check on them and if all seems ok I'll spray the rest and hope that does the job.  Going to remove all the soil and repot anything that survives.  This is such a mess because of how large my collection has gotten.  I wish I had caught this sooner because now it's just a massive headache to deal with.

Quote:

do you have your cacti indoors, greenhouse or simply outdoors?




Indoors, outdoors, and some in the greenhouse.  Every infected cactus has been moved under my porch and onto a few tables I have out there.  Half are sprayed with the insecticide so I'll have to wait and see what happens I guess.  Thanks for the help so far everyone. :thumbup:


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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Invisibleferrel_human
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18973387 - 10/13/13 06:24 PM (10 years, 4 months ago)

Use a systemic fungicide. This is what I use to germinate my seeds. Since you dont ingest your cacti there is no threat of hurting anything.

Good luck with it all man.


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Nature is my church and walking through it is gospel. It tells no lies and reveals all to those who look, and listen, closely.
-Karode


Looking for Mimosa tenuiflora seeds. Buttons for trade


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Offlineintelligentlife
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18973456 - 10/13/13 06:40 PM (10 years, 4 months ago)

Make sure that you discard the soil properly or don't use it again cause I have bad experiences using old soil mix. Usually when I pot cactus and use soil mix where I have collected soil when I have changed pots I have seen phenomena that usually mealybugs comes with soil.

I just few days ago finished my job to discard all lophophora soil mix, make new one from perlite, coco coir and pumicide and with few bigger rocks so all soil is taken from new packs, also coconut coir was taken totally from new packet.

Just make a prevention cause I have spot during summer here or there mealybugs so I decide I change all my tap root collection plant soil to new. Now I am waiting they shrink, then I water them with neem and dimethoat and when they dry I start dormancy and shut down the heating I keep to desert plants.

What bugs you are exact dealing with? If they are mealies, soil change is very good prevention, also you can same time check roots of the plants and see are there mealybugs, and to make sure root ball of soil doesn't contaminate new soil it's better to shake for good your plants. No matter if some roots goes off cause of that, just in case make sure there is no possible soil where can be laid eggs and never use it if you don't want surprises later. I have done this mistake, and no wonder here or there is mealybug. Also sometimes when I buy new cactus I cannot see one or two mealybugs and later on usually at morning or at night when they moving by cover of dark, they can be seen moving.

Dimethoat is good against all except mites, it's totally kill bugs fast and effects long time so new hatch bugs will die to later given dose of dimethoat. But it's suggested not to be in the same room if it's sprayed full of dimethoat containing water.

If I were you I would go look local nurseries, ask aerosols and things like that what can be used at outdoors gardens aswell.. One good thing is cover your greenhouse from sun, spray lots of pyrethrins inside there and shut the doors. Then repeat this like once in a week by keeping plants in very shady but enclosed space where is aerosol sprayed. It's effective way to kill almost all bugs inside the greenhouse, also the good ones sadly.. I have seen that also pyrethrin aerosol spray isn't good to use when it's day time and light, it causes sunburns to skin and possible loose the effect so covering greenhouse totally from light and fill it with aerosol pyrethrin pesticides should work also as for prevention as reducing the insects colony greatly.

About dimethoat, I have seen the effect in action for real, after watering day or two when mealy bugs are dead they can be found at places where they usually not be, seems they try to escape the chemical and dead on their way to "somewhere" and they can be picked away from the areas where living mealybugs usually doesn't even are visible if they are not moving.. I never see mealybugs easily, they are experts with hiding but for instance they will move sometimes and I have seen that using light at night is easy to spot mealies or very early morning when sun is rising they can be spot from the skin of cactus wondering and finding places where they can hide.

Lophophoras are very hard to deal with mealybugs if not using strong chemicals what effects month or more systemic. The bastards lay eggs to soil and can live totally without they cannot be seen by sucking the tap root. Also the middle area where lophophora have hairs are spots where mealybugs are easy to find and their own cover wool is hard to detect from the wool lophophoras have. I have been rude and got isopropyl alcohol towel very wet of the solution and just use pressure to towel so I can get isopropyl alcohol inside the middle area where is hard to get but liquid will flow there and possible kill the bastards.

Hope you don't have mealybugs in plants like ariocarpus, lophophora or some mammillaria with taproot, they're so rot prone to water and cause some pesticide needs to use with water, it's hard to get rid of them without strong pesticides. Only pesticide soap isn't enough and you have to get the plants away from pot, inspect good the tap root and if there is even sign off white fuzz you have mealies in the plant, Good way is spray the tap root with water, pick the mealybug nests away and waterspray pesticide to roots and let them dry without soil.

Sometimes I left lophophora without pot for few days without soil and anything, it's good tek to check time to time does there wonder any mealybugs.. For my sad I have lost some lophophora to rot cause mealybugs has been long time in tap root without my knowledge of their presence.. grr. As I said, spring is the time when I get lophophora out of pot there is lots of mealies attached to tap root. This winter, I am trying to prepare as good as possible even these bastard occur every spring and still growth season they are on control but dormant season is hard to control anything under the soil happening cause watering isn't an option.

Good luck to your fight against pests! seems it's very common at winter time with every cactus grower, once they are get in to collection, they never leave no matter what pesticides are used.. maybe cause in my condition I cannot use so much water to lophphora to stop the cycle and get rid of them.. Hope my soil change has help. With san pedros they are easy to get rid of from roots and plant, more spiny or rot prone cactus are, harder it gets bu it's part of this hobby. Not a fun part tho.. :lol:

EDIT: also what up there said, if cacti are grown to ingesting, I do not recommend to use of dimethoat to kill bugs, it's very harmful to humans too! For decoration plants, it's okay to use but as I said above, I have experience the effect to human cause my hands got dimethoat water when I do the job so I got poisoning also, it wasn't fun to suffer headache, pains, dry eyes, feeling sick and so on..  Even this poison is used to plants what are commonly used as food, I do not suggest using this if plants are for ingesting cause I don't know how long dimethoat stay in cactus tissue, Food crop are said to be 4-6week period if dimethoat is used before eat anything, and it's used usually when crop plants are at young age, when they produce edible fruits this poison is rarely used at professional cultivars, in most countries this poison are only allowed to obtain professional nurseries cause it's harmful


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Edited by intelligentlife (10/13/13 06:47 PM)


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Invisibleanne halonium
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Re: Massive scale infestation..any spray and pray remedies? [Re: intelligentlife]
    #18973838 - 10/13/13 08:30 PM (10 years, 4 months ago)

annie, endorses neem for this type of thing.



pic is clones on dirt, under LED 5k.

neem , is good stuff, indoors or out.



we use it on a wide variety of cacti.
as directed, pests cease.



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:aliendance:


Edited by anne halonium (10/13/13 08:33 PM)


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InvisibleSuperD
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Re: Massive scale infestation..any spray and pray remedies? [Re: anne halonium]
    #18974001 - 10/13/13 09:11 PM (10 years, 4 months ago)

Can't neem damage cactus?  Thankfully none of my lophs seem to be affected but the bastards got to a lot of my trichocereus and peres.  I'll pick some up if what I've done today and tomorrow doesn't work.  I sprayed all sides of those affected by the scale.


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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Invisibleanne halonium
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18974157 - 10/13/13 09:48 PM (10 years, 4 months ago)

i go thru 2 gallons a year of neem.
( wich is like 100 gallons mixed)

much of it on cacti.
i have never seen neem, as directed, harm a a cacti.

we also , use it as a general miticide in the grafting lab.

neem , about every 2 -3 weeks, wipes shit out.

test some, and ,it does take some finesse to use.


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:aliendance:


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OfflineGoOnThen
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18974158 - 10/13/13 09:49 PM (10 years, 4 months ago)

I have never had any problems with Natrasoap other than some issues with trich's that were under lights last year. I just sprayed all of my cacti in my green house and in my grow room last weekend including Trich stock with no problems as of yet. You will kill scale with Isopropyl alcohol but it needs to be sprayed regularly for a few weeks to break the cycle which is a pain in the ass. Scale is so fast to cover a Trich it caught me out big time a while ago. It also seems to always start on the side that you cant see and so by the time you see it it has covered half of the plant. 
Scale, mites, mealies and gnats  :laser:  :minigun:  :flamethrow:  :onfire:

Cheers
Got


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OfflineFunkySkunk
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Re: Massive scale infestation..any spray and pray remedies? [Re: GoOnThen]
    #18975583 - 10/14/13 07:41 AM (10 years, 4 months ago)

Yeah I've heard neem oil is great as organic pesticide. It is an oil though...So be sure not so leave your cacti in a hot area with a lot of sun. Don't want to fry those babies!

Good luck man.


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InvisibleSuperD
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Re: Massive scale infestation..any spray and pray remedies? [Re: FunkySkunk]
    #18975759 - 10/14/13 09:05 AM (10 years, 4 months ago)

Thanks again for all the advice.  If this problem persists I'll be picking up some neem.


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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Offlineintelligentlife
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18980424 - 10/15/13 08:31 AM (10 years, 4 months ago)

Neem can be used properly without no harm.

Using it non proper way causes bad effect to cactus skin


..yes I have fucked up lots of lophophora cause neem and too strong light.


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Invisibleanne halonium
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Re: Massive scale infestation..any spray and pray remedies? [Re: intelligentlife]
    #18981762 - 10/15/13 03:17 PM (10 years, 4 months ago)

never saw one go bad from neem personally.
but, cactus, win a few thousand , lose a few thousand.

they are like doritos.
just make more.



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Offlineintelligentlife
Noaidi
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Re: Massive scale infestation..any spray and pray remedies? [Re: anne halonium]
    #18982358 - 10/15/13 05:38 PM (10 years, 4 months ago)

Well..

it's good to learn trough mistakes so they won't happen again.

I posted picture from worst case scenario what comes if neem are used in wrong environment and maybe too much. Also effect of neem soap comes after long delay so proper use can be done.. I bet if you give direct sun light to peyote, use neem oil for it night time and don't wash the skin off from neem, strong hot light(sun or HPS/MH bulbs) will burn the skin and damage is seen after 4-6weeks when skin really starts to get worse and it's too late to fix it anymore. Only new growth fix that if peyote don't die completely.. I have survived scarred lophophora and dead ones cause neem with light burns skin totally. Year ago I had issue when I started to use neem first time. Now I know how to use it but it cost me many lophophora.. :lol:

When you know trough mistakes what not to do, it's better level to start build knowledge and sort out what to do...

After that I have not make same mistakes again.. Also that kind of condition comes with very long delay, I don't say neem is bad, I use it myself too. Yet still I have learned a hard lesson what is can cause when using sun light and strong artificial light and using directly cold pressed neem oil to skin of peyote with water spray.

There is always risk of damage the fine lophophora skin with pesticide soap if environment are wrong and doses is not known..

But yes, it can be used as well as good way and proper or use it for killing the lophophora.

Picture of mine are old from this year spring and I have taken it for "sample" what happens when using neem oil with strong light same time.. residue of neem oil should be wash away if strong light are present with heat. I think heat have possible some role with this also cause my artificial lights generates as well as UV-radiation, heat and strong light like sun. Cactus on the picture has baked on sun at windowsill tho.


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Edited by intelligentlife (10/15/13 05:49 PM)


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Invisiblekarode13Facebook
Tāne Mahuta
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18982366 - 10/15/13 05:40 PM (10 years, 4 months ago)

How are they looking Super?

Just a little concerned about the oil you used.


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InvisibleSuperD
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Re: Massive scale infestation..any spray and pray remedies? [Re: karode13]
    #18983140 - 10/15/13 08:10 PM (10 years, 4 months ago)

I'll post pics and an update tomorrow once it's light outside.  I looked everything over today and the scale eggs are still covering most everything I sprayed but it doesn't seem to be getting any worse.  Really hoping I don't need to do anything else but I will if I have to.  I was pretty close to just tossing a bunch of them or giving them away with the warning that they're infested.  Anyhow, will update tomorrow with pics.


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:super:D
Manoa said:
I need to stop spending all my money on plants and take up a cheaper hobby, like heroin. :lol:

Looking for Rauhocereus riosaniensis seeds or live specimen(s), :pm: me if you have any for trade


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Offlineintelligentlife
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Re: Massive scale infestation..any spray and pray remedies? [Re: SuperD]
    #18983927 - 10/15/13 11:06 PM (10 years, 4 months ago)

Some gardening sites advice to discard as well as cacti and soil if bugs are present, but cactus can be saved. However, you probably have these bugs all the time, you have to know they are present and keep on eye of them.

There has been said that watering with neem oil does work as systemic pesticide as long term but cause neem oil doesn't kill the bugs instantly, you have t repeat giving neem water months before effects can be seen.

I have choose this was to use neem oil and when directly add neem oil to skin, I usually spray neem very small amounts and try to avoid light for cactus. Sometimes it is good to spray pure water in case of wash the residue of neem oil..

Few examples from mine garden are that only few certain species suffer from neem oil directly on skin. Species like Trichocereus needs lots of neem oil to use in case of damage the skin but it's possible, still example is t. terscheckii cactus, I have used strong neem oil directly to cactus, not a single injury on the thick skin of cactus. Also some other species has show their hard skin what tolerate neem oil, one good example is ariocarpus, never seen neem oil damage them at same way than lophophora. However, opuntia robusta and lophophora sp cactus plants has been show very fragile skin cause of neem oil and light. The white dead peeling skin appears to the side where is light present, in case my garden to the side of windowsill cause my cacti spent most of the time at windowsill with growing lights.

I have done this summer some testing and notice that it takes average one month before damage starts to show on skin so it's quite long time if neem is apply only once, it can be forgotten the skin damage has come from this. I am not sure why this happens and for sure why with light.. Maybe neem oil blocks the stomata of cactus skin and therefor cause long term effects. One thing what is my concern about using neem oil is that it doesn't mix to water easily so when spraying it's hard to know what is ratio of water and neem oil if spray water bottle is not shaken good. Also it's good to use some soap or dish soap to get break the water surface tension and help neem oil mix to water.

One thing confuses me and I suspect the nee oil is will not mix good to water and some cactus has got too much neem and some not so much cause when I got these few lophophora dying to neem, I also have lophophora plants with minor skin damage but have been near by at similar environment.. I suspect my water bottle and neem oil mixed to water has not mixed properly and there has come random "big doses" of neem to the skin of plants. Or another lophophora plants are just more tolerant to this than another doesn't..

What are you species of most infected cactus plants?
I suggest to use your fingers or toothbrush to get rid of bugs from skin. Toot brush I have seen it's very good tool to wipe out these colonized areas. It doesn't help to kill all bugs but getting rid of big colony is big step forwards. Also cotton wool sticks are good tool when fighting to get rid of visible bug colonies.


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