Populations

AP fungicide applied and (year of collection)

Relative efficacy (%) of pyrimethanil

Relative efficacy (%) of cyprodinil

Origin and type

Preventive

Curative

Preventive

Curative

3 days

1 day

2 days

3 days

1 day

2 days

min

max

min

max

min

max

min

max

min

max

min

max

Untreated apple trees in uncultivated areas (wild-types)

12-02

none (2002)

100

100

100

100

75.0

100

100

100

100

100

71.4

100

Commercial orchards with good control by anilinopyrimidines

96, 97, 98, 99

pyrimethanil/ cyprodinil (2004)

44.4

92.3

55.6

100

20.0

86.0

53.3

100

53.7

100

16.0

78.3

Experimental plots with poor control by anilinopyrimidines

103

pyrimethanil (2004)

65.0

71.3

55.6

71.3

0.0

79.0

139

cyprodinil (2005)

58.4

77.0

50.0

88.5

0.0

57.7