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Annals of Plant Protection Sciences
Year : 2002, Volume : 10, Issue : 1
First page : ( 59) Last page : ( 61)
Print ISSN : 0971-3573.

Spatial Distribution of Stem Fly, Melanagromyza phaseoli Tryor on Field Pea

Rao K. Rajasekhara, Pathak K.A., Shylesha A.N.

Division of Entomology, ICAR Research Complex for NEH Region, Barapani 793 103, Meghalaya, India <krevant@123india.com>

Abstract

The spatial distribution of stem fly, Melanagromyza phaseoli infestation was studied and various indices of dispersion and regression equations were used to establish the distribution pattern of M. phaseoli. The stem fly infestation followed negative binomial distribution. The pupae of M. phaseoli in each infested plant followed negative bionomial at moderate infestation and Poisson distribution when the infestation was higher. These studies are useful in the population modeling of pea stem fly.

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Key words

Spatial distribution, Pisum sativumMelanagromyza phaseoli.

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