DENDROLOGY

DENDROLOGY AND SOCIETY

FAMILIES OF ANGIOSPERMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not considered a factor that would influence dormancy?
A
Temperature
B
Mechanical constraint
C
Light
D
Soil Production
Explanation: 

Detailed explanation-1: -The important germination inhibitors causing seed dormancy are abscisic acid, phenolic acid, ferulic acid, coumarin, short fatty acids and cyanogenic chemicals, e.g., Apple, Peach, Ash, Cucurbita, Iris, Xanthium.

Detailed explanation-2: -Seed dormancy is a state in which seeds do not germinate despite the presence of all of the necessary conditions (temperature, humidity, oxygen, and light). It is caused by hard seed coat impermeability or a lack of supply and activity of the enzymes required for germination.

Detailed explanation-3: -Final answer: Gibberellic acid is not an inhibitory substance governing seed dormancy. Q.

There is 1 question to complete.