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 40oz
Registered: 01/18/01
Posts: 30,119
Loc: Sandy Eggo. Ca.
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 understanding the mushroom life cycle 
#418364 - 10/08/01 02:59 PM (22 years, 1 month ago) |
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Well this is what ive come up so far?.
I need a little help understanding the order of the mushroom life cycle,
And some holes that I have missed, can someone specify any process that I may have missed and correct me if I am wrong, and also an explanation to the terms put into (parenthesis), to better my understanding. Thanx.
Besidia cells form (karyogamy?)
Spores form at the end of the Sterigmatae;
Spore maturity > spore release;
Hypha eminates / germination > hypha branches forming a primary mycelium (monokaryotic?) network;
2 compatible monokaryons fuse, exchange cytoplasmic & genetic materials;
resulting in binucleate & dikaryotic secondary mycelium > (clamp connections?) > (tertiary mycelium?);
hyphal aggregate > primordium > fruitbody formation
~fortyounces2freedom~ & ~disconnectedhaze~
Edited by fortyounces2freedom on 10/08/01 07:34 PM.
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tiny_rabid_birds said:
"your avatar is dirty."
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40oz
Registered: 01/18/01
Posts: 30,119
Loc: Sandy Eggo. Ca.
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Re: understanding the mushroom life cycle [Re: 40oz]
#418659 - 10/08/01 06:56 PM (22 years, 1 month ago) |
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wheres Wilson when you need em? 
~fortyounces2freedom~ & ~disconnectedhaze~
get all your supplies AND spores at a discount price!!! CLICK HERE!!!
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tiny_rabid_birds said:
"your avatar is dirty."
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Anonymous
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Re: understanding the mushroom life cycle [Re: 40oz]
#418832 - 10/08/01 09:13 PM (22 years, 1 month ago) |
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Karyogamy results in two nuclei which undergo meiosis to form four haploid sex cells(1N)
these germinate to form the monokaryon(1N) which mate with compatible monokaryons to form dikaryon(2N), clamp connections are present and allow the exchange of nucleus to maintain the Dikaryon(2N). These grow out and continue to branch forming the mycelial mat. When this mat has completely colonized all available substrate, it becomes deprived of available nutrients. Nutrient deprivation occurs because the mycelium secretes specific enzymes to eat. It can only eat certain portions of the substrate. This results in a slowing down of the vegetative growth, and the hyphal knots are initiated. Temperature of the mycelial colony naturally lowers, because of the decreased growth rate. The knots become pins, the pins become buttons, and they swell with water to form the mushrooms. In which karyogamy occurs again, meiosis, and the resulting haploid spores.
The mycelium itself acts as a gathering system, accumulating nutrients. Thicker rhizomorphs are associated with increased feeding and storage.
Once the mycelium network is established, and the pins are formed, it is a matter of water expansion. Cells within the mushrooms can have many nucleus in each, but by the time the basidia are formed, karyogamy insures only two are present to undergo meiosis.
This is the typical life cycle of P. cubensis. In it's most basic interpretation. A whole lot of shit goes on at the physiological level, and the morphological level.
Of course all the environmental factors contribute to the unraveling of the genetic material. Turning on and off various genes to regulate growth, both structural and physiological.
All this is covered in " The Mushroom Cultivator" by Stametes and Chilton, and in any Plant and Fungal Morphology Text.
There are different sexual breeding types(mating characteristics).
Teonan
Karyogamy is the fusion of sexual opposite nuclei within a single cell.
Monokaryon is haploid state or one nucleus.
Dikaryon can have one or more nuclei.
Clamp connections connect adjacent cells of the mycelium.
Edited by Teonan on 10/08/01 10:35 PM.
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Anonymous
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Re: understanding the mushroom life cycle [Re: ]
#418859 - 10/08/01 09:38 PM (22 years, 1 month ago) |
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This is a very limited explanation!!!!!! Better to read up on the concept from many sources. All types of fungi, all types of asexual and sexual structures.
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40oz
Registered: 01/18/01
Posts: 30,119
Loc: Sandy Eggo. Ca.
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Re: understanding the mushroom life cycle [Re: ]
#419141 - 10/09/01 01:41 AM (22 years, 1 month ago) |
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hey thanks Teonan i appreciate it. 
im going to dissect your post for now...ill post again here if i have any further questions....
(..p.s...i have t.m.c. he just makes it hard to understand; he rambles and strays off topic)
~fortyounces2freedom~ & ~disconnectedhaze~
get all your supplies AND spores at a discount price!!! CLICK HERE!!!
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tiny_rabid_birds said:
"your avatar is dirty."
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Anonymous
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Re: understanding the mushroom life cycle [Re: 40oz]
#419582 - 10/09/01 12:45 PM (22 years, 1 month ago) |
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It is very hard to find a single source that ties it all together!!!
Any questions feel free to ask.
Peace Teonan
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40oz
Registered: 01/18/01
Posts: 30,119
Loc: Sandy Eggo. Ca.
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Re: understanding the mushroom life cycle [Re: ]
#419756 - 10/09/01 02:48 PM (22 years, 1 month ago) |
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i catch yer drift
~fortyounces2freedom~ & ~disconnectedhaze~
get all your supplies AND spores at a discount price!!! CLICK HERE!!!
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tiny_rabid_birds said:
"your avatar is dirty."
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