Ronald grows oranges on his farm. he finds that most of the fruit falls off the trees before becoming mature. what should he spray on the trees to stop the fruit from falling off too early?
a. auxins
b. ethylene
c. abscisic acid

A. Auxins

Explanation:

In plants the abscission is the dropping or shedding of the various parts of the plant such as leaf, flower, seeds and fruits. Abscission in plants is a natural phenomena it is a part of the growth cycle. It is controlled by the growth hormones, nutrition and environmental factors such as sunlight and water.

The abscissic acid is the hormone which is responsible for the abscission of the parts of plants in maturity but auxin is responsible for the premature shedding of the fruit. As the levels of auxin decreases the plant it causes early shedding of the fruits.

Therefore, auxins should he sprayed on the trees to stop the fruit from falling off too early.

it has one origin of replication, but it proceeds in two directions - d)

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