Association of Climatic Factors on Population Dynamics of Leaf Roller, Diaphania pulverulentalis Hampson (Lepidoptera: Pyralidae) in Mulberry Plantations of Sericulture Seed Farm
Table 3
Regression model developed for Leaf roller infestation.
Years
Maximum temperature (X1)
Minimum temperature (X2)
Maximum humidity (X3)
Minimum humidity (X4)
Rainfall (X5)
2008-09
Y= − 64.291+1.415X1 R 2 = 0.171*
Y = 17.160 − 0.107X1 R 2 = 0.190*
Y = 72.168 − 0.998X3 R 2 = 0.350*
Y = 0.257 − 0.363X4 R 2 = 0.281*
Y = 15.765 − 0.123X5 R 2 = 0.003
2009-10
Y = − 99.537+2.605X1. R 2 = 0.120*
Y = 17.370 − 2.012X2 R 2 = 0.122*
Y = 87.908 − 1.245X3 R 2 = 0.541**
Y = − 49.670 − 1.458X4 R 2 = 0.694**
Y = 12.546 − 0.101X5 R 2 = 0.146
2010-11
Y = −110.883 + 2.798X1. R 2 = 0.441**
Y = 06.104 − 1.492X2 R 2 = 0.173*
Y = 122.281 − 1.661X3 R 2 = 0.324*
Y = 12.542 − 0.321X4 R 2 = 0.641**
Y = 14.431 − 0.165X5 R 2 = 0.055
**Significant at 1% level; *Significant at 5% level.
