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African Crop Science Journal
African Crop Science Society
ISSN: 1021-9730
EISSN: 1021-9730
Vol. 2, No. 4, 1994, pp. 355-359
Bioline Code: cs94047
Full paper language: English
Document type: Research Article
Document available free of charge

African Crop Science Journal, Vol. 2, No. 4, 1994, pp. 355-359

 en Nematode Pests of Cassava
Coyne, D.L

Abstract

Amongst the various constraints facing cassava production are plant parasitic nematodes. Many nematode species have been reported associated with cassava but few are reported to have caused economic damage to the crop. Meloidogyne incognita check for this species in other resources , M. javanica, and Pratylenchus brachyurus check for this species in other resources are the species most associated with such damage. The majority of research on cassava nematodes has been concerned primarily with varietal screening for resistance and geographical distribution from diagnostic surveys. There is relatively little documentation on the effects of nematodes on yield, or the extend of damage they may cause in the field. Losses of up to 98% in storage root yield have been recorded under heavy infestation by Meloidogyne check for this species in other resources spp. With an increase in large scale and monoculture cultivation and where pressure for land use has increased, nematodes may pose and increasing threat as constraints to cassava production. The most likely method of control appears to lie in the identification of resistant lines.

Keywords
Distribution, Manihot esculenta, Meloidogyne spp., Pratylenchus brachyurus, varietal screening

 
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