Anil was an owner of fruits orchard. He had ample of bananas in his orchard. He asked his workers to collect all the bananas from the trees and keep them in the store room. Workers told Anil that the bananas are still unripened. Anil told them to spray ethylene on the unripened bananas.

(a) What is ethylene?
(b) Why ethylene is sprayed on the bananas?
(c) What are the other uses of ethylene?
(d) What values were shown by Anil?

Dear student.

a. Ethylene is a phytohormone, synthesized in ripening fruits, fruits, flowers, leaves and even roots and acts as a natural plant growth hormone.

b. The fruit ripening caused by the plant hormone, ethylene. It converts the plant starch into sugar. Ethylene is produced and released by rapidly-growing plant tissues and is released by the growing tips of roots, flowers, damaged tissue, and ripening fruit. Natural ripening in some fruits is a slow process, which leads to high weight loss, desiccation of fruits and uneven ripening. 

c. Physiological effects of Ethylene:

  • It shows inhibitory effect on growth.
  • EhyleEthyleneesponsible for positive geotrophic bending of roots
  • It inhibits growth of lateral buds
  • It stimulates fruit growth and ripening
  • It stimulates abscission (formation of separation layer)
  • Ethylene induces flowering

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