Effect of varieties of kerstings groundnut and storage containers on the population growth of Piezotrachelus varium Wagner.
1991
Obasi, M.O., Department of Crop Science, University of Nigeria, Nsukka, Nigeria (Present address: Department of Crop Production, University of Agriculture, P.MB. 2373, Makurdi, Nigeria)
The susceptibility of three varieties of kerstings groundnut (Kerstingiella geocarpa Harms.) to the infestation of Piezotrachelus varium Wagner syn. Apion varium Wagner, during the rainy season and the rate of multiplication of the pest in different storage containers were evaluated in 1988 damage during storage, followed by Ex-Mali variety. NSK I variety was the most susceptible. The multiplication rate of P. varium in the containers was highest in the cemented earthen container followed, in' decreasing order, by ordinary earthen container, tin, glass, plastic and polythene. It is concluded that N§K 2 variety of kerstings groundnut is most resistant to damage by P. varium while polythene is the best storage container.
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