OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A commercial flower grower could induce winter flowering of a long-day plant by
A
fertilizing the plant with nitrogen.
B
treating the plant with gibberellin.
C
covering the plant with an opaque cloth in the late afternoon.
D
exposing the plant to a brief period of light in the middle of the night.
Explanation: 

Detailed explanation-1: -What is a method used to induce short-day plants to flower out of season? Short day plants can be forced to flower by artificially increasing dark time by using blinds or blocking out light during the day.

Detailed explanation-2: -Long Day Plants (LDPs) flower when they receive long photoperiods or light hours which are above a crictical length, e.g., henbane (Hyoscyamus niger) wheat, oat, sugar beet, spinach (Spinancea oleracea), raish, barly, larkspur, lettuce.

There is 1 question to complete.