Items where Author is "Viswanathan, P. R. K."

Viswanathan, P. R. K. and Kasi Viswanathan, P. R. (1972) New record of Aphidius transcaspicus (Telenga) (Braconidae: Hymenoptera) as a parasite of Rhopalosiphum maidis (Fitch). Indian Journal of Entomology, 34 (1).

Viswanathan, P. R. K. (1972) Possibilities on biological control of insect pests of coffee in India. Indian Coffee, 36 (1). 36-37; 16 ref..

Kumar, A. C. and Viswanathan, P. R. K. and Kasi Viswanathan, P. R. (1972) Studies on physiological races of Pratylenchus coffeae. Journal of Coffee Research, 2 (2). pp. 10-15.

D' Souza, G. I. and Viswanathan, P. R. K. and Kumar, A. C. (1971) Granular treatment for the control of Pratylenchus coffeae in the coffee nursery. Indian Coffee, 35 (8). 306-307, 325..

Kumar, A. C. and Viswanathan, P. R. K. and D' Souza, G. I. (1971) A study on plant parasitic nematodes of certain commercial crops in coffee tracts of south India. Indian Coffee, 35 (6). 222-224..