[nafex] Pollen Grains

[Don Yellman <dyellman@earthlink.net>]

Gianni:
    Pollen grains vary somewhat in size, and, of course, in color, but
in general are microscopic in size and thus not visible to the naked
eye.  When magnified, many pollen grains look like little spiny sea
urchins, which is what irritates many people's allergies.  When
concentrated together, as on the pollen baskets of a bee, they are
highly visible and brightly colored.
    No, self-fertile/self-pollinating has nothing to do with it, and
there are no oils or other invisible substances involved, insofar as I
know.
    Yes, I believe manual pollination definately helps, especially in
the absence of pollinating insects.

    Bees are attracted by both color and odor, which is why most flowers
have both.


Rgds, Don Yellman, Great Falls, VA


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