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Would a defoliated plant respond to photoperiodic cycle ? Why ?


No, a defoliated plant will not respond to photoperiodic cycle or stimulus. The photoperiodic is perceived by leaves as, the site of perception of light/dark duration are the leaves, which have been removed in a defoliated plant.
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Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant?

What would be expected to happen if :

(a) GA3 is applied to rice seedlings.

(b) Dividing cells stop differentiating.

(c) A rotten fruit gets mixed with urripe fruits.

(d) You forget to add cytokinin to the culture medium


Who isolated auxin and from where ?

What is C/N ratio ?

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