Ethylene - dormancy, Biology

Ethylene - Dormancy

Ripening of fruits involves a chain of cellular events like:

  • Rise in the rate of respiration,
  • Breakdown of higher carbohydrates into carboxylic acids, chlorophyll breaks down, other pigments become prominent (carotene, xanthophyll, lycopene),
  • Break down of proteins into amino acids,
  • Formation of sugars from polysaccharides like starch that is why ripe fruits are sweet in mango, banana and sour in citrus (contains carboxylic acids),
  • Decay of cell wall and organelles. All these events are mediated through a number of enzymes which means activation or denovo synthesis of enzymes is an integral part of hormone action,
  • Causes sex change in flowers.
Posted Date: 1/24/2013 2:37:11 AM | Location : United States

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