搜索结果: 1-15 共查到“农学 Vigna unguiculata”相关记录16条 . 查询时间(0.092 秒)
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 ...
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...
Effect of leaf and bark aqueous extract of Anogeissus latifolia on growth performance of Vigna unguiculata
Aqueous Extract Bark Leaf Radicle and Plumule Growth
2013/3/5
The present study was carried out to assess the effect of leaf and bark aqueous extract of Anogeissus latifolia tree on Vigna unguiculata traditional crop to understand the suitability of treecrop com...
Influence of phosphorus on the performance of cowpea (Vigna unguiculata (L) Walp.) varieties in the Sudan savanna of Nigeria
Cowpea [Vigna Unguiculata (L.) Walp.] Phosphorus Sudan Savanna Nigeria
2013/3/4
Savanna regions of Nigeria are deficient in nitrogen and phosphorus, which retard the growth and yield of crops. Therefore, a study was conducted in the wet season of 2006 at the Dry Land Teaching and...
Effect of Intra-row Spacing on Growth and Yield of Three Cowpea (Vigna unguiculata L. Walp.) Varieties under Rainfed
Cowpea intra-row spacing growth yield
2010/11/16
A field experiment was carried out under rainy season 2006-07, at two locations (Kordofan
university farm and Jabal Kordofan ) in Sheikan District, North Kordofan State, Sudan, to investigate the eff...
Effect of Water Potentials on Growth and Yield of Cowpea (Vigna Unguiculata [L] Walp)
Water Potentials Growth and Yield of Cowpea
2010/11/15
A field experiment was conducted for two consecutive seasons during 2003/2004 and 2004/2005
in the Demonstration Farm of the Faculty of Agriculture, University of Khartoum at Shambat to study the eff...
Effect of stage and intensity of defoliation on the performance of vegetable cowpea (Vigna unguiculata (L.) Walp)
Defoliation intensity vegetable cowpea vegetative characters
2011/1/12
Field experiments were conducted in 2006 and 2007 on the experimental farm of the Institute for Agricultural Research, Ahmadu Bello University, Samaru, Zaria to determine the effect of stage and inten...
The role of intercropping maize (Zea mays L.) and Cowpea (Vigna unguiculata L.) on yield and soil chemical properties
Intercropping system maize - cowpea soil fertility and equivalent ratio
2011/1/10
Farmers in Sistan region experience low crop yields of crops due to low soil fertility. Sole crops and intercrops of maize (Zea mays L.) and cowpea (Vigna unguiculata L.) were studied at eight plantin...
A comparative study of the bionomics of Clavigralla tomentosicollis Stäl (Hemiptera: Coreidae) on three varieties of cowpea (Vigna unguiculata (L.) Walp)
Clavigralla tomentosicollis cowpea varieties pod-sucking bug
2011/1/10
Clavigralla tomentosicollis Stäl, is a notorious pod-sucking bug of cowpea in tropical agro - ecosystems. The improvement of cowpea grain yields by screening of cowpea lines for resistance to pod...
Germplasm evaluation and enhancement for the development of cowpea (Vigna unguiculata (L.) Walp dual-purpose F2 genotypes
Vigna unguiculata germplasm harvest index dual-purpose
2011/1/10
Cowpea is an important grain legume as well as fodder crop, especially in the dry regions of South Africa. The production of this crop has been below average because of low genetic variation and culti...
Effect of Chemical Mutagen on Expression of Characters in Arid Legume Pulse -Cowpea (Vigna unguiculata (L.) Walp.)
cowpea EMS genetic advance heritability mutagen seed colour yield characters
2010/11/15
Studies on chemical induced mutagenesis, Ethyl Methane Sulphonate (EMS) were performed
by exposing the healthy and dry seeds of cowpea variety Co 4 to E MS at 10, 20, 30, 40 and 50mM. The study was e...
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...
Assessment of selection techniques in genotype X environment interaction in cowpea Vigna unguiculata（L.）walp
Genotype X environment interaction selection techniques cowpea Vigna unguiculata
2009/3/3
Ten genotypes of cowpea were grown in four environments comprising the early and late seasons of Ogbomoso and Abeokuta locations in 2005 and 2006. Joint linear regression analysis indicated the pres...
Effect of vermicompost enriched with rock phosphate on the yield and uptake of nutrients in cowpea（Vigna unguiculata [L. ] Walp)
Cowpea nutrient uptake vermicompost yield
2009/2/20
A field experiment was conducted in a Rhodic Haplustox during 1997-98 to study the effect of enriched vermicompost on the yield and uptake of nutrients by cowpea. Among the different treatments trie...
Effect of plant growth regulators on the performance of yard long bean（Vigna unguiculata var. sesquipedalis（L.）Verdcourt)
Cowpea NAA PCPA CCC
2009/2/20
Four plant growth regulators namely NAA (15, 30 and 45 ppm), 2,4-D (2, 4 and 6 ppm), PCPA (25, 50 and 75 ppm) and CCC (300, 400 and 500 ppm) were sprayed on yard long bean (cv. ‘Lola’) at different ...