Re: HYB: sterility


From: "Jan Clark" <janclarx@hotmail.com>

Sterling wrote:
>Does anyone have any ideas why fertility varies like this? Not that 
it's important, I was just curious. I think it may have something to do 
with weather but have no proof.

Hi Sterling,
Fancy Woman is supposed to be extremely pollen fertile. I couldn't get 
pollen from it this season, and the anthers looked as if they had 
already dried up when the flowers opened. We had seesawing weather going 
from very hot and dry, to wet, to extremely severe frosts. Eventually I 
prised open a bud, and found what looked like useable pollen, and may 
have set one pod from it. Many anthers on other plants have been 
swelling up with wet pollen grains, before they open, so are useless.
Also dry stigmas have been a problem, so I've been using the 'spit' 
method, and think I finally have some takes. 
Hybridising seems to have finished here for the year. I have gone from  
having a firm resolve to stick to my plan, to a 'this will go nicely 
with this' method, to 'what looks half decent and has pollen' just for 
the sake of something to grow!
With rain iminent, I covered IN HEAVEN (a tiny apricot DB) but forgot 
about the pollen parent. This morning the only dry pollen on 'anything 
1/2 decent' was LEDA'S LOVER. Might give some interesting IB's.
Jan Clark, enjoying heavy rains in Australia.

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