What are out breeding device. explain them in briefly
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Pollination is the process which plants depend on to transfer pollen grains from anther to stigma/pistil. It can be either cross pollination or self pollination. Most of the plants are bisexual/ hermaphrodite which promote self pollination. Is this self pollination desirable? What are the factors promoting cross pollination ? What is pollen-pistil interaction?
Self pollination is common and more likely to happen in case of hermaphrodite flowers but a successive series of self pollination affects negatively and causes inbreeding depression. This also results in homologous genes. Thus plants are adapted to promote cross pollination. This is known as out-breeding. Factors which encourages cross pollination are as follow:
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