TREE PROPAGATION AND PLANTING
PLANTING TECHNIQUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements describe the endogenous root inhibitors? I. Synthesized in roots. II. Reduce root quality and quantity. III. Present more in hard-to-root species. IV. Apply plant growth regulator to restore rooting.
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I, II and III
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I, II and IV
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II, III and IV
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All of the above.
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Explanation:
Detailed explanation-1: -Root growth inhibition by NH(4)(+) in Arabidopsis is mediated by the root tip and is linked to NH(4)(+) efflux and GMPase activity. Plant Cell Environ.
Detailed explanation-2: -Auxins, Gibberellins, and Cytokinins are grouped into Plant growth promoters while Abscisic acid and Ethylene are grouped into Plant growth inhibitors.
There is 1 question to complete.