1.

Rohan, a plant breeder was interested in growing new and improved crop varieties in his field. His friend suggested him to cross different plants in order to get hybrid plants. Mention the process to get the improved variety of the following:(1) Plants bearing bisexual flowers.(2) Female parent producing unisexual flowers.

Answer»

(1) Emasculated bisexual flowers are covered with a bag of suitable size generally made up of butter paper to prevent the contamination of its stigma with unwanted pollen. This process is called bagging which makes flower receptive. Mature pollen grains collected from anther of the male parent are then dusted on the stigma and the flower ares rebagged.
(2) No emasculation is needed in unisexual flowers. The female flower buds are directly bagged before the flowers open and when the stigma becomes receptive, pollination is carried out using the desired pollen and the flowers again are rebagged.


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