9
Question
Which method out of the following renders the seed coat permeable to water so that embryo expansion is not physically retarded?
Which method out of the following renders the seed coat permeable to water so that embryo expansion is not physically retarded?
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Solution
The correct option is B Scarification
In many plants, the seed coat is quite tough and provides mechanical resistance to the growth of the embryos. Scarification by abrasion through machine, threshing, filling etc., ruptures or weakens the seed coat and promotes germination.
Scarification
In many plants, the seed coat is quite tough and provides mechanical resistance to the growth of the embryos. Scarification by abrasion through machine, threshing, filling etc., ruptures or weakens the seed coat and promotes germination.
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