Describe the advantages and disadvantages of cross - pollination to the plant
Answers
Answer:Disadvantages of cross pollination: ... Pollen grains have to be produced in abundance to ensure chances of pollination. This results in lot of wastage of pollen. It is uneconomical for plants as they have to produce flowers that are large, perfumed and with nectar to attract insects.There are many advantages to this method, the foremost is introducing genetic diversity to the plant, which keeps is resistant to disease. ... Some plants, such as willows, have to be cross-pollinated because the male and female flowers are not on the same plants.
Answer:
Advantages of cross-pollination-
1. The offsprings are healthier.
2. The seeds produced are abundant and viable.
3. New varieties may be produced by cross pollinating two different varieties of the same
species or even two distinct species.
Disadvantages of cross-pollination
1. The pollination is not always certain because some pollinating agent is always needed which may or may not be available at the proper time.
2. The pollen has to be produced in large quantity to ensure maximum chances of pollination which means a lot of wastage of pollen.
3. The process is uneconomical for the plant because the flowers have to be large, coloured, scented and have to produce nectar-for attracting pollinating agents.
Explanation:
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