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Varietal resistance of cowpea to cowpea aphid, Aphis craccivora Koch.
Ansari, A. K., Van Emden, H. F., Singh, S. R.Volume:
13
Language:
english
Journal:
International Journal of Tropical Insect Science
DOI:
10.1017/S1742758400014351
Date:
April, 1992
File:
PDF, 388 KB
english, 1992