Table 27

NAPIAP Survey - Field Corn - 1994

Table 27

Table 27:  Summary of insects treated for by New York State growers who grew 
corn for silage in 1994 by active ingredient (23 growers)
______________________________________________________________________________
Active Ingredient     # of          # of       % of       Acres        % of 
  Insect              growers       fields     fields     treated      acres 
______________________________________________________________________________
tefluthrin              11            13                  948.0
  Corn rootworm (larval)               6        54.5      683.0        72.0
  Corn earworm                         1         9.1      200.0        21.1
  Corn rootworm (adult)                2        18.2      152.0        16.0
  No answer                            2        18.2      150.0        15.8
  Cutworms                             1         9.1       80.0         8.4
  Seedcorn maggot                      4        36.4       43.0         4.5
  Wireworms                            3        27.3       23.0         2.4
terbufos                 6             9                  535.0
  Corn rootworm (larval)               4        44.4      475.0        88.8
  Corn rootworm (adult)                1        11.1       70.0        13.1
  European corn borer                  2        22.2       40.0         7.5
  No answer                            3        33.3       20.0         3.7
chlorpyrifos             5             6                  203.5
  Cutworms                             2        33.3       86.0        42.3
  No answer                            1        16.7       60.0        29.5
  Corn rootworm (adult)                2        33.3       43.5        21.4
  Corn rootworm (larval)               2        33.3       26.0        12.8
  Wireworms                            1        16.7       12.0         5.9
fonofos                  1             1                   36.0
  Corn rootworm (larval)               1        100.0      36.0       100.0
  Cutworms                             1        100.0      36.0       100.0
phorate                  1             2                   12.0
  Corn rootworm (larval)               2        100.0      12.0       100.0
______________________________________________________________________________

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