WEEDS vs CROPS

Question 1

WEEDS

Answer 1

1. exist in lands that were disturbed, converted or managed

Question 2

CROPS

Answer 2

1. plants that fit economically to man’s existence

Question 3

CHARACTERISTICS OF WEEDS

Answer 3

1. products of natural selection
2. survivors of nature
3. more genetically diverse
4. greater adaptation

Question 4

CHARACTERISTICS OF CROPS

Answer 4

1. products of artificial selection
2. developed under highly optimum conditions
3. lesser genetic diversity
4. contain selected traits

Question 5

AGROECOSYSTEM

Answer 5

1. special type of ecosystem
2. main focus is on crop production

Question 6

PESTS UNDER AGROECOSYSTEM

Answer 6

1. insects
2. microorganisms

Question 7

DAMAGE OF WEEDS ON CROPS

Answer 7

1. indirect
2. through competition

Question 8

DAMAGE OF PESTS ON CROPS

Answer 8

1. direct

Question 9

WHY WEEDS ARE NOT RECOGNIZED AS PEST AT EARLY DAYS?

Answer 9

1. damages are not visible
2. not see/felt during harvest, only translated into yield reduction
3. always associated with crops
4. not known to produce epidemics