Contrast

Sampling time (days after planting) and differences in the number of D. dipsaci/10 g of fresh tissue between treatments

15

30

45

60

75

90

105

Biological vs Physical

2

2

−20***

−37***

−55***

−65***

−76***

Biological vs Chemical

5**

9***

4

1

−2

−2

−1

Biological vs Control

−6**

−24***

−49***

−61***

−72***

−83***

−104***

Physical vs Chemical

3

8***

24***

38***

52***

63***

75***

Physical vs Control

−8***

−26***

−29***

−24***

−17***

−18***

−27***

Chemical vs Control

−11***

−33***

−52***

−62***

−69***

−81***

−103***