THE BIOLOGY AND POSSIBLE IMPORTANCE OF APHELENCHOIDES ARACHIDIS, A SEED-BORNE ENDOPARASITIC NEMATODE OF GROUNDNUTS FROM NORTHERN NIGERIA BY JOHN BRIDGE 1), W. S. BOS 2), L. J. PAGE 1), and D. McDONALD 2) 1) Ministry of Overseas Development, Plant Nematology Laboratory, Imperial College of London University, Ashurst Lodge, Sunninghill, Ascot, Berkshire, England, and 2) Crop Protection Dept., Institute for Agricultural Research, Ahmadu Bello University, Samaru, P.M.B. 1044, Zaria, Nigeria Aphelenchoides arachidis Bos was found in northern Nigeria as a facultative endoparasite of groundnuts (Arachis hypogaea L.). It occurs within the tissues of the pods, testas, roots and hypocotyls, but not within the cotyledons, embryos or other parts of the plant. Many nematodes within testas caused discolouration and were associated with shrivelled and small seeds. The nematode is present in a small area around the town of Samaru, northern Nigeria. The nematodes can affect the commercial value of confectionery groundnuts, but have not been shown to diminish yield. A simplified hot water treatment of seeds successfully controlled the nematodes, and other methods of cultural control can be used. In 1970, nematodes were found in seed testas of groundnut kernels examined for fungal pathogens in the Crop Protection Department, Institute
Nematologica – Brill
Published: Jan 1, 1977
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