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Table 4 Percentage of leaves with galls (LWG) and galls per infested leaf (GIL), for two grape cultivars and three years of study, in Juanicó and Progreso, Uruguay

From: Life history and assessment of grapevine phylloxera leaf galling incidence on Vitis species in Uruguay

Growing season

Mean LWG

Mean GIL

2004-2005

51.13

a*

47.15

a

2005-2006

16.66

b

15.84

b

2006-2007

53.66

a

31.41

a

Locality

Mean LWG

Mean GIL

Juanicó

32.10

b

22.84

b

Progreso

47.59

a

45.76

a

Cultivar

Mean LWG

Mean GIL

Cabernet Sauvignon

36.79

a

39.37

a

Viognier

42.79

a

33.52

a

  1. Note: Comparing the average damage by growing season, locality and cultivar.
  2. * Numbers in a column followed by the same letter are not statistically different (P > 0.05) according to the χ2 test when comparing the growing seasons, localities and cultivars.
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