Breeding Systems - Research Article from Macmillan Science Library: Plant Sciences

This encyclopedia article consists of approximately 5 pages of information about Breeding Systems.
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Breeding systems in plants refer to the variety of ways plants answer the general question of "Who mates with whom" by answering specific questions such as whether flowers mature at the same time, whether a plant has more than one kind of flower or differs from other plants in types of flowers, and whether there are chemicals that keep certain plants from mating with each other.

Wind blows pollen off the male cone of a pine tree. Wind blows pollen off the male cone of a pine tree.

Outcrossing and Inbreeding

Most vertebrate species consist of separate male and female individuals. In contrast, the majority of flowering plants are hermaphroditic, with both pollen and ovules produced by the same plant. As a consequence, many flowering plants are capable of self-fertilization (selfing), with seeds resulting from pollen and eggs produced by the same plant. The self pollen that fertilizes the egg may be produced by the same flower...

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This section contains 1,206 words
(approx. 5 pages at 300 words per page)
Buy the Breeding Systems Encyclopedia Article
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Breeding Systems from Macmillan. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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