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Thread: Sarracenia pollinating question

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    Lucky Greenhorn Lil Stinkpot's Avatar
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    Sarracenia pollinating question

    When are the stigmas receptive? Is it as soon as the pollen starts dropping, or when the flowers open?

    Just kinda curious here. I read the Sarracenia pollinating sticky, but I didn't see a mention to when they're ready. or when they're no longer receptive, for that matter.
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    Fred P's Avatar
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    I have found that it is shortly after the pollen starts dropping.

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    Lucky Greenhorn Lil Stinkpot's Avatar
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    When do you suppose they stop being receptive? Is it about when the pollen stops, or when the petals start falling?

    I'm doing some fun crosses this year; thankfully, just about every flower I've tried has dropped it's petals the day after i swiped the pollen onto them. Next year I'm so totally bagging them.



    BTW, off-subject-- I've noticed a little green caterpillar that LOVES Sarr. flowers and pitchers. What's up with that? I've squished five already!They'll also eat mimulus flowers.
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    Hello, I must be going... Not a Number's Avatar
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    This might help:
    http://www.amjbot.org/cgi/content/full/93/11/1660

    If you can find it in a local library (only the abstract is online subscription only):
    Thomas, K and D.M. Cameron Pollination and Fertilization in the pitcher plant Sarracenia purpurea American Journal of Botany 1986 vol73 no5 678
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    Lucky Greenhorn Lil Stinkpot's Avatar
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    Wow! that's pretty heavy reading. but interesting.

    Thanks!
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    Fred P's Avatar
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    Quote Originally Posted by Lil Stinkpot View Post
    When do you suppose they stop being receptive? Is it about when the pollen stops, or when the petals start falling?
    Don't know exactly but definitely before petal drop. It's a fairly short window of a few days depending on the weather.

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    Lucky Greenhorn Lil Stinkpot's Avatar
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    Interesting. Is there a visual cue? Probably fuzzy stigmas, if I can get my big Human nose in there to see it.
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    i think pollination has an affect too. once they've been pollinated, hormones are released that basically seal it off, so to speak. if you're doing the pollinating, once you start, you have no more than a couple of days left. or if a couple of bees do it a couple of days before you start, your pollination will be all for nothing.

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