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Anakāpalle, India

Saritha R.,Reg Agril Research Station | Dharma Reddy K.,RARS
Pestology | Year: 2013

Investigations were made to study the spatial distribution of leaf hoppers on Sunflower. Based on the variance-mean ratio, chi-square test and dispersion indices thrips have shown aggregated distribution and negative binomial model fitted the population pattern. Intraplant distribution studies indicated that the middle strata provided the most reliable estimate of the leaf hopper population on sunflower. Source


Saritha R.,Reg Agril Research Station | Dharma Reddy K.,RARS
Pestology | Year: 2013

Investigations were made to study the spatial distribution of whiteflies on Sunflower. Based on the variance-mean ratio, chi-square test and dispersion indices thrips have shown aggregated distribution and negative binomial model fitted the population pattern. Intraplant distribution studies indicated that the middle strata provided the most reliable estimate of the whitefly population on sunflower. Source

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