Question
Biology Question on plant growth and development
In plants, Richmond - Lang effect is
A
Delaying the onset of senescence by application of cytokinin
B
Prevention of abscission of leaves and flowers by auxin application
C
Increasing commercial value of leafy vegetables by inducing leaf expansion through gibberellinapplication
D
Breaking dormancy of seeds and buds through application of ethylene
Answer
Delaying the onset of senescence by application of cytokinin
Explanation
Solution
Cytokinins delay the senescence of leaves and other organs by mobilisation of nutrients. This is called Richmond-Lang Effect.