Advertisements
Advertisements
Question
What is the mechanism underlying the phenomenon by which the terminal/apical bud suppresses the growth of lateral buds? Suggest measures to overcome this phenomenon.
Advertisements
Solution
The phenomenon by which the terminal/apical bud suppresses the growth of lateral buds is called apical dominance. Apical dominance is due to the auxin hormone secreted by apical buds. This can be overcome by decapitation (removal of apical buds) or the application of cytokinin.
APPEARS IN
RELATED QUESTIONS
Ethylene is used for ______.
Coconut water contains ______.
Match the following:
| Column A | Column B |
| A. IAA | i. Herring sperm DNA |
| B. ABA | ii. Bolting |
| C. Ethylene | iii. Stomatal closure |
| D. GA | iv. Weed-free lawns |
| E. Cytokinins | v. Ripening of fruits |
Apples are generally wrapped in waxed paper to ______.
The term synergistic action of hormones refers to ______.
ABA acts antagonistic to ______.
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Increase yield of sugar cane
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Cause sprouting of potato tuber
In botanical gardens and tea gardens, gardeners trim the plants regularly so that they remain bushy. Does this practice have any scientific explanation?
Auxins are growth hormones capable of promoting cell elongation. They have been used in horticulture to promote growth, flowering and rooting. Explain the meaning of the following terms related to auxins.
Anti-auxins
While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?
To get a carpet like grass lawns are mowed regularly. Is there any scientific explanation for this?
Define parthenocarpy. Name the plant hormone used to induce parthenocarpy.
A gardener finds some broad-leaved dicot weeds growing in his lawns. What can be done to get rid of the weeds efficiently?
Fill in the blanks:
Apical dominance is due to ______.
Fill in the blanks:
______ hormone initiate rooting.
Name a hormone which is gaseous in nature
Name a hormone which induces flowering in long day plants
