Plant Growth And Development Question 26
Question: The substances which have proved very effective to induce rooting from cut end of the stem is [EAMCET 1995; BHU 1999; Pb. PMT 2000]
Options:
A) Phenyl acetic acid
B) a-naphthalene acetic acid
C) Indole acetic acid
D) Indole butyric acid
Show Answer
Answer:
Correct Answer: D
Solution:
Many new plants are usually propagated by stem cutting.
If we dip to the lower cut end of a cutting in dilute solution of auxins (especially IBA) very soon large number of roots are developed on the cut ends due to which these cutting develop into successful plants.
BETA
