1991•Indian Journal Of NematologyRequires access

Density and frequency of the lesion nematode, Pratylenchus in sugarcane belt of Tamil Nadu

Palanisamy Sundararaj, Usha K. Mehta

Abstract

Survey for plant parasitic nematodes was conducted in the 11 districts in state of Tamil Nadu where sugarcane is cultivated as a major crop. Assay of nematode showed that Pratylenchus spp. is the predominant nematode found in varied numbers all over the state. Absolute density and frequency were calculated and from these data relative density and frequency were also calculated. Reasons for the differences in population level are out lined. A distinct picture of the distribution pattern of the nematode in and around the sugar factory zones of the state is apparent.

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Key concepts: Tamil, Nematode, Biology, Crop, Veterinary medicine, Population density, Forensic science, Non-invasive ventilation