Advertisements
Advertisements
प्रश्न
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
उत्तर
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
संबंधित प्रश्न
Ethylene was discovered by
To increase sugar production in sugarcanes, they are sprayed with ______.
ABA acts antagonistic to ______.
Plant growth substances (PGS) have innumerable practical applications. Name the PGS you should use to
Promote lateral shoot growth
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
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.
Synthetic auxins
While experimentation, why do you think it is difficult to assign any affect seen to any single hormone?
A gardener finds some broad-leaved dicot weeds growing in his lawns. What can be done to get rid of the weeds efficiently?
On germination a seed first produces shoot with leaves, flowers appear later, Why do you think this happens?
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 femaleness in flowers of cucumber
Name a hormone which is used for killing weeds (dicots)
Name a hormone which induces flowering in long day plants
