Variations in the level of resistance to root-knot nematodes (Meloidogyne spp.) infestation among ten cowpeas (Vigna unguiculata L. Walp.) genotypes
نویسندگان
چکیده
منابع مشابه
Effects of Ni Deficiency on Some Nitrogen Metabolites in Cowpeas (Vigna unguiculata L. Walp).
Cowpeas grown in nutrient solutions, from which Ni had been removed by a ligand exchange technique, accumulated urea in most tissues. Urea levels were highest (up to 3.1 percent dry weight) in necrotic leaf tips. Urea accumulation in Ni-deficient cowpea tissues amounted to about 1 percent of the total N. The accumulation of urea was presumably associated with the catabolism of N compounds in ol...
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Root-knot nematodes, Meloidogyne spp., are one of the important plant parasitic nematodes of tomato in the world. The most suitable control method of plant parasitic nematodes is the use of resistance sources and tolerant cultivars. In the earlier studies, the results showed thatonly 2% (19 out of 537 varieties) were resistant and tolerant to the root knot nematodes. In the supplementary studie...
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s of unseen materials (mainly papers presented at or reports of meetings of professional associations) 8 Articles in the proceedings of international symposia 7 Articles in the international institute of tropical Agriculture Research Highlights 4 Articles in the proceedings of international colloquia 1
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Meloidogyne species pose a significant threat to crop production in Africa due to the losses they cause on a wide range of agricultural crops. The direct and indirect damage caused by various Meloidogyne species results in delayed maturity, toppling, reduced yields and quality of crop produce, high costs of production and therefore loss of income. In addition, emergence of resistance-breaking M...
متن کاملBiological control of root-knot nematodes (Meloidogyne spp.) by the fungus Pochonia chlamydosporia
5 Introduction 6 Introduction to root-knot nematodes (Meloidogyne) 6 The life cycle of Meloidogyne species 8 Integrated pest management and biological control 11 Nematophagous fungi 12 Pochonia chlamydosporia (syn. Verticillium chlamydosporium) 12 Materials and Methods 14 Results and Discussion 15 P. chlamydosporia as a control agent of root knot nematodes 15 Conclusions 21 References 23
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ژورنال
عنوان ژورنال: Ghana Journal of Agricultural Science
سال: 2019
ISSN: 0855-0042
DOI: 10.4314/gjas.v54i2.7