Germination of Weed Seeds

Question 1

FACTORS AFFECTING GERMINATION

Answer 1

1. water
2. light
3. temperature
4. concentration of gases (oxygen and carbon dioxide)

Question 2

PRACTICES AFFECTING GERMINATION

Answer 2

1. cultivation
2. flooding
3. mulching

Question 3

CULTIVATION

Answer 3

1. impact germination in two ways

Question 4

IMPACT OF CULTIVATION

Answer 4

1. seed burial (inhibition of germination)
2. bring seeds to surface (lead to germination)

Question 5

FLOODING

Answer 5

1. reduce oxygen levels

Question 6

MULCHING

Answer 6

1. inhibit germination due to low light penetration and increase of temperature