Question

Explain „Critical night Length‟ with respect to flowering in SDP?

Answer 1

Critical Night length is the length of the dark or night period in a 24-hour cycle.

It is required to inhibit the flowering of long-day plants.

It is required to induce the flowering of short-day plants.

Flowering in short-day plants is induced only when the length of the night is longer than the critical dark period.

Critical night length is 24 hours minus critical day length.

Some of the examples of the short-day plant are tobacco, Chrysanthemum, sugarcane, soybean, strawberry,Xanthium, etc

Answer 2

cCritical night Length‟ with respect to flowering in SDP?

Explanation:

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