Some viruses cause thickened, malformed and distorted leaves. The plants are thought to be native to West Africa and are widely cultivated in warm regions around the world. Family : Leguminaceae. It responds well to a spacing of 45 cm to accommodate more plants per unit area. Cowpea is known as drought hardy nature, its wide and droopy leaves keeps soils and soil moisture conserved due to shading effect. Plants with heavy rust infection appear to have brown tinge. â€?Spraying of mancozeb (0.2%) or carbendazim (0.2%) at fortnight interval. Vigna unguiculata is a member of the Vigna (peas and beans) genus. Cowpea (Vigna unguiculata (L.) Walp.) Black-eyed peas, a common name for a cowpea cultivar, are named due to the presence of a distinctive black spot on their hilum. Mosaic, leaf distortion, blistering, dwarfing and death of plants, Chlorosis, leaf distortion, blistering. Alsondo-1: It is a determinate type of local cowpea selection with bold pods and high yield. Numbering about 650 genera and 17,000 species, the family is third largest, after the asters and the orchids..... Click the link for more information. Botanically, it is called Vigna unguiculata and is grown in the semi-arid tropics which cover Asia, Far East, Africa, Central and South America. Vigna unguiculata. Files are available under licenses specified on their description page. The selection has a potential seed yield of 1630 kg/ha and a haulm yield of 3.31 t/ha. Cowpea aphid, Aphis craccivora is a cosmopolitan species with a worldwide distribution; abundant in subtropical and tropical regions, and in the Mediterranean. Common Name: cowpea: Abbreviation: vigun: Cowpea (Vigna unguiculata) is used in many parts of the world for its high-protein seeds, but also for its nutrient-rich edible leaves, forage, and soil enrichment. Brown sunken lesions with dark red margins develop on the stems. â€?Parasites and predators especially Coccinellids reduce the population of aphids considerably. â€?Spray Metasystox @ 1 litre/hectare dissolved in 1000 litres of water to check the whitefly. â€?The infested plants become stunted, leading to leaf distortion, premature defoliation and death of seedlings. SEE LESS. These viruses produce a mosaic pattern (intermixing of green and yellow patches) on leaves. family. The seedlings remain stunted and some of them develop rot in the hypocotyls region and extend downwards. IITA releases varieties only through NARS. Stage 5: Scaling. Cowpea vendors Thies Senegal 2008.jpg 400 × 268; 29 KB Cowpeas production.jpg 2,592 × 1,952; 1.75 MB Crops in acid soil demo 2017 05 09 6717.jpg 1,796 × 1,706; 742 KB Pluck the pods on maturity once they turn brown, dry the pods immediately and thresh the produce. and has multiple uses like food, feed, forage, fodder, green manuring and vegetable. Botanical Name : Vigna sinensis Savi. Once on the ground, the fallen aphids are prey to ground predators and they have difficulty returning to the plant. The name cowpea. â€?Spray a steady stream of water on the host plant to knock-off aphids. Two IITA varieties, IT07K-297-13 and IT08K-150-12, were released in Nigeria with the names Sampea 18 and Sampea 19, respectively. Authors; Authors and affiliations; F. J. L. Aragão; F. A. P. Campos; Chapter. It is a major economic pest of cowpea and groundnut, particularly in the tropics and a significant pest of mungbean (Vigna radiata), pigeonpea (Cajanus cajan), chickpea (Cicer arietinum), field and green beans (Vicia spp. Its English common names include velvet bean, Bengal velvet bean, Florida velvet bean, Mauritius velvet bean, Yokohama velvet bean, cowage, cowitch, lacuna bean, and Lyon bean. In mature cowpea plants, grayish black sunken lesions appear on the lower stem and roots accumulate small black sclerotia. Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. Excess moisture availability especially in the early stages of the crop will not only produce more vegetative growth but also reduces yield and delays the crop. Cowpea aphid A. craccivora is mainly found on plants in the Leguminosae. The spots rapidly enlarge to irregular lesions. Destroy diseased debris. Many lesions rapidly merge to girdle stems, branches, peduncles and petiole. Crop losses caused by A. craccivora are due to direct feeding damage and to indirect damage, chiefly via the transmission of plant viruses. All structured data from the file and property namespaces is available under the. The selection produces pods in clusters with 6 to 10 pods/plant having a length of 18 to 22cm. Elongated lesions appear on the leaf veins and tannish red spots with yellow halo on the leaf surface. Subphylum: Angiospermae. Name Authority; Cowpea mild mottle carlavirus: CPMMV: Common names. Treat this seed with 375-500 g of Rhizobium before sowing specially in newly cultivated areas so as to ensure the benefit of biological nitrogen fixation. If the disease attacks plants at the early growth stage, no pods should be expected. In severe cases, defoliation occurs. All structured data from the file and property namespaces is available under the Creative Commons CC0 License; all unstructured text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. The common name of black-eyed pea, used for the unguiculata cultivar group, describes the presence of a distinctive black spot at the hilum of the seed. U.S. WeedInformation. The lesion is limited to collar regions only in case of R. solani infection. Cowpea has a number of common names, including … â€?Crop rotation with non-host crops for 2-3 years. Unguiculata is Latin for "with a small claw", which reflects the small stalks on the flower petals. Cowpea (Vigna unguiculata). The important diseases are root rot and damping off- Pythium, Rhizoctonia and Macrophomina, cowpea mosaic and Fusarium wilt Fusarium oxysporum. Visit regularly and observe for the insect at borders in early stages. â€?Remove the infected plants at the first instance, weeds and alternate hosts. Other aphids like Aphis gossypi and Myzus persicae also attack cowpea crop during rainy season. cylindrica (common names: catjang cowpea and Bombay cowpea) and ssp. â€?Crop rotation with non-legumes for 4-5 seasons. The major insect pests are Aphid, Aphis craccivora,Gram pod borer Helicoverpa armigera, Spotted pod borer Maruca testulalis, Leaf hopper Empoasca kerri, Pod bugs Riptortus pedestris and Whitefly Bemisia tabaci. Early weed control for first 45 days is crucial to ensure higher yield. stenophylla. Dhulape Utorda-3 (Goa Cowpea-3): It is also an indeterminate type of local cowpea selection with bold pods and high yield. The common name of black-eyed pea, used for the unguiculata cultivar group, describes the presence of a distinctive black spot at the hilum of the seed. Vigna unguiculata is a member of the Vigna (peas and beans) genus. subsp. Rare species of flowering plant in the legume family known by the common name Oahu cowpea. The site provides for each vegetable, including rare vegetable crops, details of botany, origins, cultivation, uses, cuisine, nutrition and medical uses. Sporadic attempts to introduce few high yielding types of small seeded cowpea were although made, yet these varieties could not become popular among the farmers owing to local preferences for bold grain types. Severely affected pods are curled and do not contain normal size seeds. Roots also exhibit rotting and seedlings get dried. The first written reference using cowpea appeared in 1798 in the United States. The crop is grown extensively as a rice fallow crop under residual moisture situations in the region. The names are: UCC-Benga (UCC-Cowpea), Saka-Buro (killer of Striga) and Kum-Zoya (hunger has run away). Taxonomic Tree. â€?Avoid using heavy doses of highly soluble nitrogen fertilizers. Cowpeas is indigenous to Africa. Pythium aphanidermatum, Rhizoctonia solani and many other soil fungi southeastern United States and in other parts of. Goa Nadora (Nadora Bardez-4): It is an indeterminate type of local cowpea selection with bold pods and high yield. Aphids are attracted to yellow color. ICAR RC- Old Goa, Directorate of Agriculture- Tonca Panaji-Goa, Goa Bhagayatdar Society,Ponda-Goa. Preferred name: Cowpea mild mottle virus ; Other scientific names. Don't need the entire report? 4 Citations; 1.1k Downloads; Part of the Biotechnology in Agriculture and Forestry book series (AGRICULTURE, volume 59) Keywords Somatic Embryogenesis Common Bean Particle Bombardment Cotyledonary Node Plant Cell Tissue Organ Cult These keywords were added by machine and not by … There are three major subspecies of V. unguiculata; in addition to ssp. â€?If the terminal buds are infested in the young crop, spray dimethoate @ 1 lit/ ha on 30 days after sowing. Vigna owahuensis. unguiculata (L.) Walp.Cowpea is often called "black-eyed pea" due to its black- or brown-ringed hylum. Callosobruchus maculatus (Fabricius 1775) Species recognized by EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1. blackeyed pea. The name was most likely acquired due to their use as a fodder crop for cows. Normally each pod will have 10 to 14 seeds with a test weight of 24 g for 100 seeds. Spray mancozeb (0.2%) or carbendazim (0.2%) at fortnight interval. IT98K-205 from IITA was released with the name of Gajale Bodi in Nepal. Common names: Cowpea, Lobia, Barbati, Black eyed pea. Dry the seeds to reduce the moisture level below 10â€?2 % and add finely grounded Tirphal / boric acid powder @ 2 g / kg of seeds to reduce the infestation by stored grain pests. Generate a … Use of insecticide carbaryl @2.5 g/kg is more effective in inhibiting the pulse beetle attack without affecting the germination of the seeds. The common name of black-eyed pea, used for the unguiculata cultivar group, describes the presence of a distinctive black spot at the hilum of the seed. Common Bean and Cowpea. The harvest index of the selection is quite high (0.54). The test weight of the selection is around 20-21g/100 seeds. Its origin and subsequent domestication is associated with pearl millet and sorghum in Africa. At various times the cowpea has been known under several botanical names, the most common names being V. Sinensis and V. Catjang. 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