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Anonymous

Opinions on these tips
    #5458034 - 03/30/06 01:43 AM (17 years, 9 months ago)

Quote:

1# a higher nitrogen concentration will give more females.
2# a higher potassium concentration will give more males.
3# a higher humidity will give more females.
4# a lower temperature will give more females.
5# more blue light will give more females.
6# Fewer hours of light will give more females. It is important to start these changes at the three-pairs-of-leaves stage and continue for two or three weeks, before reverting to standard conditions.




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OfflineHanky_discontinued
ĦōłұĞħosŦ

Registered: 11/10/05
Posts: 6,080
Loc: Fatty Bread, fatty bread.
Last seen: 17 years, 8 months
Re: Opinions on these tips [Re: Anonymous]
    #5458171 - 03/30/06 04:05 AM (17 years, 9 months ago)

All bullshit, sex is predetermined from seed.


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Anonymous

Re: Opinions on these tips [Re: Hanky_discontinued]
    #5458264 - 03/30/06 05:28 AM (17 years, 9 months ago)

haha, good to know.


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Invisiblegiz
daydreamer
Male

Registered: 02/08/06
Posts: 651
Loc: EU
Re: Opinions on these tips [Re: Hanky_discontinued]
    #5458303 - 03/30/06 05:47 AM (17 years, 9 months ago)

Quote:

Hanky, lol said:
All bullshit, sex is predetermined from seed.




actually, i challenge you tro prove that statement. I dont think they are.

Here is a interview with Henk (owner of Dutch Passion), It mostly about feminizing but i marked the intresting part with bold letters.

Quote:


Bye-bye, boys!

Henk admits that when Dutch Passion first released feminized seeds in November 1998, many people were skeptical.

"It was very difficult to make these seeds," he explained. "There were several years of experiments that went into this. At first, we relied on the fact that if you let females flower a long time without getting pollen, near the end of their life cycle some will try to pollinate themselves. But this did not produce a reliable amount of pollen. Then, we tried hormone and chemical agents. The hormone produced pollen, but it also affected the plants in other ways that we didn't like. We tried other applications, and found some that could change basic female plants into plants that produced pollen, which we then used to fertilize other 100% female plants to produce what we used to call ?female seeds.'

"A lot of people think we have created hermaphrodites, but we take 100% female clones, and apply a safe chemical so the clones produce abundant male flowers. Then we take that pollen and fertilize other females with it. Seeds from this method will usually grow out female.

"In the beginning, some people were telling us that the seeds weren't producing all females, but we've discovered some strains don't work well with this process, and some of the success depends on the way they're grown. Now, we aren't getting those complaints. I sell a guy 300 seeds, and 298 of them grow out female. We are seeing that level of reliability."

Research and improvement

As with any new technology, Dutch Passion's feminized strains have experienced growing pains. Some varieties have not adapted well to the feminizing procedure and are no longer sold. Henk no longer calls his special seeds female, either.

"They are not female seeds," he explains. "They are seeds that have been created a certain way to produce female plants, but it is not accurate to call them female seeds. We call them feminized seeds ? there is a difference."


An luscious female Green Spirit on display at the Cannabis Cup.
Henk says it's a lot harder to produce feminized seeds than regular seeds, and he has to be careful about feminizer technology and its resultant pollen. As with Terminator Seed technology utilized by greedy corporations like Monsanto (the company has designed food crops that produce sterile seeds, forcing farmers to buy new seeds from Monsanto every year), plants grown from feminized seeds cannot reproduce naturally; at best, they can be cloned.

If you are growing marijuana so you can produce your own seeds, Dutch Passion's feminized varieties are not for you. For most other growers, feminized seeds offer obvious advantages. Outdoor growers can plant in remote locations knowing they will not have to return during early autumn and remove male plants. All growers can count on increased yields: instead of the average sixty to forty percent female to male ratio, virtually every seed planted will result in a female producing harvestable buds.

Feminine recipe

Dutch Passion's feminizer testing program revealed that grow room factors can be manipulated to produce better female to male ratios. The female-inducing recipe, to be implemented during the first month of growth, involves providing: 1) more nitrogen, less potassium; 2) more halide (blue spectrum) and less high pressure sodium (red spectrum) lighting; 3) shorter light cycles; 4) a grow medium of 6.6 to 6.8 pH; 5) lower temperatures and higher humidity, plus higher soil moisture; 6) minimized stress (cloning and other stressors can destabilize plants, causing them to go male or hermaphrodite).

Henk is constantly running experiments to fine-tune his feminizer technology. He removed Purple Star from his feminized line because of poor results. Some feminized varieties produce between 80 and 90% females rather than 100%, and a few hermaphrodites have occurred in isolated test crops. Henk has found that Green Spirit, Mazar, Masterkush, Oasis, Blueberry, Buddha, Voodoo, Purple #1 and Trance are the most reliable feminized seeds; he's working to increase the range and dependability of Dutch Passion feminized offerings




http://www.cannabisculture.ca/articles/1332.html


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