Prevention of sprouting in onion during storage is prevented by a pre harvest spray of

A. Maleic hydrazide

B. Ethephon

C. GA₃

D. IBA

Answer: Option A

Solution(By Examveda Team)

Prevention of sprouting in the onion during storage is prevented by a pre-harvest spray of Maleic hydrazide. The hot and humid conditions of the kitchen and storage area favour the sprouting of onions.
It is an herbicide and plant growth regulator. It is of low acute toxicity. It has been shown to cause genotoxic effects in some mutagenicity studies. Its residue in food and tobacco is toxic, causing CNS disturbances and liver damage.