The growth of plant differs from growth of animals in being

Avena-Curvature biossay was conducted by

Longevity of seed can be prolonged by keeping them at

Cytokinins are the derivatives of

The photoperiodic stimulus perceived by

Garner and Allard are credited for discovery of

Which property is specifically attributed to gibberellins?

Who classified the plants into different categories on the basis of photoperiodic responses

The resumption of active growth of embryo is called as

The plant which needs light period shorter than critical period is called