The pineapple which under natural conditions is difficult to blossom has been made

The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of

Options

(a) IAA, IBA
(b) NAA, 2, 4-D
(c) Phenyl acetic acid
(d) Cytokinin

Correct Answer:

NAA, 2, 4-D

Explanation:

Plants which are difficult to flower can be made to do so by spraying them with 2,4,-D (2,4, – dichlorophenoxy acetic acid) and NAA (napthalene acetic acid) which are synthetic auxins, e.g., litchi, pineapple.

admin:

Related Questions

  1. Use of anti-histamines and steroids give a quick relief from
  2. The wheat grain has an embryo with one, large,shield-shaped cotyledon known as:
  3. Removal of top fertile soil by wind or water
  4. In pancreas pancreatic juice and hormones are secreted by
  5. Which one of the following immunoglobulins does constitute the largest