Date: Sat, 21 Jun 1997 21:45:23 +0200 From: Coutadeur Fabrice <coutadeur.f@gardener.com> To: cp@opus.hpl.hp.com Message-Id: <aabcdefg2420$foo@default> Subject: Re: Self sterile plants
At 18:29 20/06/97 -0700, you wrote:
> Do you mean using other pollen to simulate the stimga to produce
>enzymes responsible for "germinating" the pollen so as to force a selfing?
Yes, but you have to desactivate the 'foreign' pollen before... I think
I've read here using ultraviolet light to 'kill' the other polln...
>> > However, some plants are even more picky than this and will not
>> >use pollen of close relatives (say, from the same parent). This
>To insure genetic variablity, I would assume. How might a plant
>evolve this capablity?
Well, with 2 genes, I think it could be possible if the presence of at
least one of the 2 genes prevent the pollen's 'germination'...
>No, I don't know too much about plants I haven't grown. All N.American
>CP's (I don't know Utrics) and most S.American Drosera (Fernando?)
>are self-fertile. As are annuals. I don't about corm forming species,
The annuals plants are always self-sterile ?
>but D.peltata is self-pollinating, probably the species closely related
>to it also. Can't count Nepenthes as each clone is either male or female.
Of course !
Regards,
Fabrice
Coutadeur Fabrice
C/Montesa, 14, 4F
28006 Madrid
coutadeur.f@gardener.com
http://www.geocities.com/RainForest/2982
ICQ 1587969#
This archive was generated by hypermail 2b30 : Tue Jan 02 2001 - 17:31:04 PST