Biology and seasonal incidence of leafhopper, Amrasca biguttula biguttula (Ishida) (Hemitpera: Cicadellidae) on okra
3.52 – 0.34, 16.54 – 0.37 and 3.85 – 0.24 days, respectively. The fecundity varied from 14.00 to 20.00 with an average of 16.60 – 1.98 eggs per female. The average longevity of male and female adults was 22.85 – 1.87 and 26.66 – 1.92 days, respectively. The highest incidence (16.44 leafhoppers/plant) was observed during March second fortnight, while the lowest (0.25 leafhoppers/plant) was observed during December second fortnight. The leafhopper population had a significant positive correlation with the maximum temperature and a significant negative correlation with rainfall. But relative humidity had no significant effect.</p>
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