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Indian Journal of Nematology
Year : 1981, Volume : 11, Issue : 1
First page : ( 101) Last page : ( 102)
Print ISSN : 0303-6960.

Studies on interaction between Meloidogyne incognita and Rotylenchulus reniformis on grapevine seedlings

Rao K. Tirumala, Seshadri A. R.

Department of Entomology, College of Agriculture, Andhra Pradesh Agricultural University, Rajendranager, Hyderabad-30.

Presented at Nematology Symposium held at Coimbatore, India in February, 1981

Abstract

The interaction studies with Meloidogyne incognita and Rotylenchulus reniformis has shown that the reduction in root length was more by M. incognita (57 per cent) than by R. reniformis (34 per cent). The shoot weight and root length reduction at 200 level by M. incognita alone was more than either by R. reniformis alone or the combination of both the nematodes. In general, when both the nematodes were inoculated, the interaction effect was suppressive being additive in respect of nematode population. Both were antagonistic to each other in combined inoculations, suppressing the population of the other, with increasing levels of their respective inoculum. The suppression effect by M. incognita was more on R. reniformis.

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