Fungicides

Rate

(g a.i./l)

Treatments schedule (days)^v

Leaf scab severity % ^w and relative efficacy % ^y

2001

14.06

2003

01.07

2004

08.06

2005

30.05

2006

06.06

2007

21.06

Pyrimethanil

0.30

7 - 8

^z

0.3 c^w (96.4)^y

22.5 b^w (53.6)^y

10.0 c^w (78.9) ^y

25.9 bc^w (53.3) ^y

12.6^w (66.5)^y

Cyprodinil

0.25

7 - 8

^z

0.56 c (93.3)

^z

9.0 cd (81.0)

24.0 cd (56.0)

9.3

(75.1)

Trifloxystrobin

0.075

8 - 10

5.4 ab (98.6)

6.2 b

(26.2)

43.2 a (10.9)

37.3 b (21.3)

51.4 a (7.3)

24.8

(34.0)

Untreated

73.8 a

8.4 a

48.5 a

47.4 a

55.5 a

37.6