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  • Author or Editor: Leslie Allee x
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Abstract

Pollen tube growth and ovule fertilization was observed in 3- to 7-mm-long pistils in flowers of a rapid cycling population of Brassica campestris L. Pollen tubes grew past the ovules to the base of the ovaries in pistils 3- or 4-mm-long. The pollen tubes were guided toward the ovules in buds 5-mm-long or longer and in flowers of compatible or incompatible plants. Brightly florescent spots were observed at the micropyle of ovules in pistils 4-mm or longer, but not in smaller buds.

Open Access