搜索结果: 1-11 共查到“植物保护学 cowpea”相关记录11条 . 查询时间(0.046 秒)
Comparative susceptibility of different legume seeds to infestation by cowpea bruchid Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae)
C. maculatus legume seeds oviposition development susceptibility host selection weight loss
2015/3/3
The comparative susceptibility of seeds of ten legumes to infestation by Callosobruchus maculatus was studied in choice and no-choice experiments. Cowpea, garden pea and pigeon pea seeds recorded the ...
Toxicity and spraying schedules of a biopesticide prepared from Piper guineense against two cowpea pests
toxicity Piper guineense extract Maruca vitrata Clavigralla tomentosicollis spray schedules cowpea
2015/3/1
The toxicity of three concentrations (5%, 10% and 20% w/v) and spraying schedules (2, 4 and 6 weekly applications) of an extract from West African black pepper, Piper guineense, for managing two major...
Evaluation of the efficacy of protectants against cowpea bruchids (Callosobruchus maculatus (F.)) on cowpea seeds (Vigna unguiculata (L.) Walp.)
actellic ash black pepper cloves coconut oil damage natural products
2015/3/1
A laboratory experiment of a completely randomised design and replicated four times evaluated the effectiveness to control the bruchid, Callosobruchus maculatus in cowpea by the synthetic insecticide ...
Effect of mahogany Khaya senegalensis seed oil in the control of Callosobruchus maculatus (Fab.) (Coleoptera: Bruchidae) on stored cowpea
K. senegalensis seed oil Pirimiphos methyl E.C. C. maculates cowpea grains bioassay
2015/2/6
Khaya senegalensis seed oil was evaluated for its efficacy in the control of Callosobruchus maculatus on stored cowpea. The oil was extracted locally from the dry K. senegalensis seeds. This was compa...
The sensitivity of flower bud thrips, Megalurothrips sjostedti Trybom (Thysanoptera: Thripidae), on cowpea to three concentrations and spraying schedules of Piper guineense Schum. & Thonn. extracts
control of Megalurothrips sjostedti extracts of Piper guineense Vigna unguiculata application Schedule
2015/2/6
The extracts of pods of West African black pepper, Piper guineense, at 5, 10 and 20% (w/v), were applied at two, four and six weekly schedules to control the legume flower bud thrips, Megalurothrips s...
Field evaluation of extracts of five Nigerian spices for control of post-flowering insect pests of cowpea, Vigna unguiculata (L.) Walp.
spices extracts Maruca vitrata Clavigralla tomentosicollis control cowpea
2015/2/2
The insecticidal efficacy of aqueous extracts of five Nigerian spices (Piper guineense Schum and Thonn., Aframomum melegueta (Roscoe), Xylopia aethiopica (Dunal) A. Rich., Zingiber officinale L. and C...
Seed to plant transmission of Xanthomonas campestris pv. vignicola isolates in cowpea
Bacterial blight Vigna unguiculata cowpea virulence seed transmission
2011/1/10
Seed transmission of Xanthomonas campestris pv. vignicola was investigated to ascertain the importance of seed as a primary source of inoculum for bacterial blight disease in cowpea. The study was car...
Effect of rotation of cowpea (Vigna unguiculata) with fonio (Digitaria exilis) and millet（Pennisetum glaucum）on Macrophomina phaseolina densities and cowpea yield
Charcoal rot fonio millet cowpea crop rotation Sahel
2009/3/4
Macrophomina phaseolina, the causal agent of charcoal rot, causes great damage to cowpea in the Sahel. One of the few options to manage the disease is by cropping nonhosts that may reduce the soil i...
Reactions of cowpea to infection by Macrophomina phaseolina isolates from leguminous plants in Nigeria
Macrophomina phaseolina pathogenicity leguminous plant cowpea diseases southwestern Nigeria
2009/3/3
The reaction of cowpea to infection by Macrophomina phaseolina isolates, from leguminous plants in Nigeria, was investigated at Ibadan, southwestern Nigeria. M. phaseolina isolates obtained from six d...
Control of Damping off and / or Sore Shin in Cotton and White Mould in Cowpea Plant Disease(s) by Using a Bio-fungicide Coniothyrium minitans Campbell
Coniothyrium minitans Rhizoctonia solani Sclerotinia sclerotiorum
2010/11/10
In vitro, mycelial growth rate (s) of Rhizoctonia solani (the causal agent of damping-off and / or sore shin disease in cotton plants) and Sclerotinia sclerotiorum (the causal agent of white mould dis...
Evaluation of Some Selected Pesticides Against the Two Pod Borers Helicoverpa Armigera and Etiella Zinckenella Population Infesting Cowpea in the Newly Reclaimed Regions
Safe insecticides Cowpea bod borer Helicoverpa armigera Etiella zinckenella
2010/11/9
The two pod borers Helicoverpa armigera Hubner and Etiella zinckenella Treitschke are the most
destructive insect pests which infest several crops of leguminosae in Egypt. Field experiments wer condu...