Question

Which of the following is not a method of breaking dormancy of seeds?
Method 1:Hydraulic pressure can be applied on seeds for 5-20 minutes which can weaken the seed coat
Method 2: use of inhibitors can help in breaking dormancy of seeds.
Method 3:Rupturing the seed coat by filing or chipping through machineries helps in breaking dormancy of seeds.

• A. Method 1 and 3
• B. Only method 2
• C. Only method 3
• D. Method 1,2 and 3

Answer 1

The correct option is B Only method 2

Seed dormancy is the condition in which the seeds are prevented from germinating even when the conditions required for germination are favourable.
Using inhibitors like abscisic acid will inhibit the growth of plants and is not a method of breaking dormancy of seeds.

Different methods for breaking dormancy of seeds can be classified into 2 categories i.e artificial methods and natural methods.
Examples of natural methods are
i) Production of growth hormones helps in breaking dormancy of seeds.
Examples of artificial methods are
i) Hydraulic pressure can be applied on some seeds for 5-20 minutes which can weaken the seed coat this helps in breaking dormancy of seed.
ii) Rupturing the seed coat by filing or chipping through machineries helps in breaking dormancy of seeds.