Leaf abscission is prevented by

Leaf abscission is promoted by

Leaf abscission is promoted by

Leaf abscission is promoted by

Leaf abscission is caused by

Leaf abscission is brought about by

Leaf abscission is brought about by

Define abscission.

The substance which have proved very effective to induce rooting from cut end of the stem is Or Abscission of fruit is prevented by

Leaf fall can be prevented by