Question
Biology Question on plant growth and development
Fruit and leaf drop at early stages can be prevented by the application of:
A
Ethylene
B
Auxins
C
Gibberellic acid
D
Cytokinins
Answer
Auxins
Explanation
Solution
Auxins prevent premature leaf and fruit fall. NAA prevents fruit drop in tomato; 2,4-D prevents fruit drop in Citrus.