Forest Nursery Techniques

A. Nurseries fail quite often as the seed collected is rather old rotten or does not have an embryo
B. There are several methods to test seed germination percent but the most practical is to, to take a few samples from thoroughly mixed heap
C. Both (a) & (b)
D. None of these

A. External effects of environment
B. Internal conditions within the plant itself, i.e. Embryo dormancy or seed coat dormancy
C. Both (a) & (b)
D. None of these

A. Mechanical scarification
B. Cold and hot stratification
C. Acid scarification
D. Socking seeds in water
E. All of the above

A. The purpose of mechanical scarification is to modify hard
B. Or impervious seed coats
C. Both (a) & (b)
D. None of these

A. The purpose of soaking seeds in water is to modify hard seed coats remove inhibitors
B. And soften seeds to reduce the time of germination
C. Both (a) & (b)
D. None of these

A. To activate dormant embryo
B. To help after ripening of embryo
C. Moist stratification is done at temperature varying from 0 – 10
D. All of the above

A. The purpose of acid scarification is to modify hard
B. Or impermeable seed coverings
C. Both (a) & (b)
D. None of these

A. Bed nursery
B. Pot nursery
C. Both (a) & (b)
D. None of these

A. Preparation of the area
B. Sowing
C. Weeding, hoeing and irrigation
D. Transplanting
E. All of the above

A. Seeds after stratification can be sown directly in polythene tubes
B. There are general 18-23 cm long with 5-10 cm diameter when filled with soil.
C. Both (a) & (b)
D. None of these