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Question
While planning for an artificial hybridization programme involving dioecious plants, which of the following steps would not be relevant?
Options
Emasculation
Collection of pollen
Dusting of pollen on stigma
Bagging of female flower
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Solution
Emasculation
Explanation:
Emasculation is not needed in dioecious plants because male and female flowers are on separate plants, so there is no risk of self-pollination. Only bagging of the female flower, collecting pollen from the male plant, and dusting pollen on the stigma are necessary steps.
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RELATED QUESTIONS
Answer the following question.
You are conducting artificial hybridization on papaya and potato. Which one of them would require the step of emasculation and why? However, for both, you will use the process of bagging. Justify giving one reason.
Emasculation and bagging are the two important steps carried during artificial hybridization to obtain superior varieties of desired plants. Explain giving reasons, in which types of flowers and at what stages are the two processes carried out.
What is NOT true about the emasculation of a flower while performing an artificial cross?
Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order in which they are followed in the hybridisation programme.
- Re-bagging
- Selection of parents
- Bagging
- Dusting the pollen on stigma
- Emasculation
- Collection of pollen from male parent
One of the major approaches of crop improvement programme is Artificial Hybridisation. Explain the steps involved in making sure that only the desired pollen grain pollinate the stigma of a bisexual flower by a plant breeder.
