Artificial hybridisation.
Answers
Hybridization is the process of crossing two genetically different individuals to result in a third individual with a different, often preferred, set of traits. Plants of the same species cross easily and produce fertile progeny. Wide crosses are difficult to make and generally produce sterile progeny because of chromosome-pairing difficulties during meiosis.
pollen-stigma compatibility is essential for a successful pollination and fertilization. Once compatible pollen is accepted by pistil, events for fertilization proceeds, whereas incompatible pollen will be rejected. This interaction where a pistil is capable of recognizing its pollen is the result of long-term pollen-pistil interaction and chemicals released by pollen.
Understanding of pollen-pistil interaction is important in hybridization. It is one of the innovative methods of the crop production improvement program. During artificial hybridization, only the desired pollen grains are introduced to the stigma through pollination. This helps to avoid unwanted pollen rejection and saves time.
Hybridization proceeds in two steps, one is emasculation and another is bagging.
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