os What is polyembryony and how can it be
commercially exploited? [NCERT Exemplar]
Answers
Explanation:
Polyembryony may be defined as the occurrence of two or more embryos in one ovule which consequently results in the emergence of multiple seedlings. It can be commercially exploited as disease free plants can be obtained by this method and it also increases the probability of survival under varied conditions.
Answer:
Polyembryony is the occurrence of more than one embryo in a see. In many citrus and mango varieties, some of the nucellar cells surrounding the embryo sac start dividing protrude into the embryo sac and develop into embryos. In such species, each ovula contains many embryos. <br> Polyembryony plays a main role in plant breeding and horticulture . The plantlets obtained from these embryos are virus free and has more vigour.Hybrid varieties of several food and vegetable crops are being extensively cultivated and these hybrid cultivars possess high productiviy