Which among the following factors is/are not essential

Option B is incorrect as there should be high percentage of outcrossing. This is essential for good seed setting.

for commercial exploitation of heterosis?

A Heterosis of 40% and above is considered significant in most of the crops.

B There should be high percentage of selfing and low percentage of outcrossing

C The floral biology should permit large production of hybrid seed

D Availability of male sterility (MS) and self incompatibility (SI) systems

E Both B and C

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