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Table 5 Multiple linear regression between mean weekly cotton aphid population per 3 leaves and mean weekly values of weather factors at two weeks lag during cotton growing seasons from 2009 to 2019 at Nagpur, Maharashtra

From: Seasonal population trend and relative occurrence of pests and their natural enemies among cotton species and cultivars in India

Parameters

Coefficients

Std. error

t test

P

r2

df

F

Sig. of F

Intercept

115.60

27.72

4.17

0.000 4

0.70

3, 23

17.56

0.000 003

b1 (Tmax)

– 2.82

0.49

−5.75

0.000 0

b2 (Tmin)

1.85

0.43

4.33

0.000 2

b3 (RHmax)

– 0.72

0.31

−2.33

0.028 7

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Journal of Cotton Research

ISSN: 2523-3254

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