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 Fruit drop is caused by -
  • a)
    Less auxin in fruit than in stem
  • b)
    More auxin in fruit than in stem
  • c)
    Equal distribution of auxin in stem and fruit
  • d)
    Absence of auxin in stem and fruit
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Fruit drop is caused by -a)Less auxin in fruit than in stemb)More auxi...
Auxin was discovered in coleoptile. It causes growth of the coleoptile of wheat, maize and other cereals. The tip of coleoptile produces auxin. Therefore, coleoptile shows rapid growth. When the tip is removed, the growth of the coleoptile stump stops. Auxin causes growth of the coleoptile by cell elongation. It also causes growth in stem by cell elongation.
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Fruit drop is caused by -a)Less auxin in fruit than in stemb)More auxi...
Auxins are an important class of phytohormones. They help to initiate rooting in stem cuttings, an application widely used for plant propagation. Auxins promote flowering, e.g., in pineapples. They help to prevent fruit and leaf drop at early stages but promote the abscission of older mature leaves and fruits. Less auxin in fruit than in stem specially in early stages will lead to premature fruit fall.
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Fruit drop is caused by -a)Less auxin in fruit than in stemb)More auxin in fruit than in stemc)Equal distribution of auxin in stem and fruitd)Absence of auxin in stem and fruitCorrect answer is option 'A'. Can you explain this answer?
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