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Table 3. Statewide pest concerns
(% growers ranking pests as "serious")

WEEDS

   annual broadleaves

42%

   annual grasses

21%

   perennial broadleaves

10%

   herbicide-resistant weeds

7%

   quackgrass

6%

   volunteer grain

1%

INSECTS

   green peach aphid

37%

   Colorado potato beetle

16%

   wireworms

16%

   loopers & caterpillars

3%

DISEASES

   late blight

48%

   leafroll

28%

   early blight

26%

   Verticillium

26%

   white mold

12%

   Rhizoctonia

11%

   silver scurf

10%

   lesion nematode

6%

   Fusarium

4%

   root knot nematode

3%

   seed piece decay

2%