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Table 3. Mean number of infected plants by treatment.
Treatment
June 2002
August 2002
  
 
Rep 1
Rep 2
Rep 3
Rep 4
Total
Control
2/6
3/7
2/6
4/7
11/26 (.423)a
Half Ratea
5/7
4/6
4/7
5/6
18/26 (.692)b
Full Rateb
3/7
5/7
5/7
6/7
19/28 (.679)b
a0.0075 mg pymetrozine per grapevine.
b0.015 mg pymetrozine per grapevine.

*Means followed with the same letter within a column are not significantly different. (ANOVA, p > 0.001)
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