Self pollination

I'm not an expert on pollination but I believe that beyond their "pollination syndrome" plants have chemical signaling pathways that prevent intra-generic pollination (ie rose pollen lands on iris stigma - nothing happens). ...

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... for a while (quite interesting, we actually did the field work of self and cross-pollination). But the corn never pollinated the soy beans or the alfalfa just across the road, ...

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... 4) How do you explain speciation of immobile plants ? They do not have legs, and please do not say that insects and/or wind did this. Cross-pollination does not apply as an example, because it will only work within a common genus like irises or related genus within a family. 5) Please do ...

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... long as they are aware of the nutritional values of the foods they are eating and know how much they need. Another one I just thought of would be pollination. If she is indeed including insects, then we have a problem there. Thanks for the replies =)

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... of insects; without pollinators, much of our farming would collapse. Wind-pollinated grains would continue to provide staple food, but artificial pollination of each and every flower would be needed to maintain standard crops. That's the real source of the nigh-extinction scenario. However, given ...

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