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Indian Journal of Nematology
Year : 1987, Volume : 17, Issue : 2
First page : ( 225) Last page : ( 230)
Print ISSN : 0303-6960.

Role of plant parasitic nematodes in the slow wilt disease complex of black pepper (Piper nigrum L.) in Kerala

Ramana K.V., Mohandas C., Balakrishnan R.*

National Research Centre for Spices, Calicut-673 012, Kerala, India.

Contribution No. 67 of National Research Centre for Spices, Calicut-673 012, Kerala.

* Directorate of Oilseeds Research, Rajendcanagar, Hyderabad-500 030, Andhra Pradesh.

Accepted:  March,  1987.


High populations of Radopholus similis occurred more frequently in disease affected vines (4 out of 5) than in healthy vines (1 out of 5). High populations of Meloidogyne incognita and Trophotylenchulus piperis occurred in equal frequency in healthy and diseased vines. Further, the discriminant analysis indicated that presence of R. similis alone can influence overall differences between healthy and diseased state of the vines. The results clearly indicated that R. similis plays a major role in causing slow wilt disease in black pepper.


Key words

Black pepper, Piper nigrum.


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