What does an over ripe apple release which affects all other apples in the basket ?

Ethylene.
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ABA are derivatives of ?

Carotenoids
116 Views

Name the stress hormone.

Abscisic acid
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A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which growth regulator can be applied to achieve this ?


Ethylene 
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Name the plant hormone that can delay leaf senescence.

 Cytokinin.
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