Host range. Cucumber mosaic virus (CMV) is a plant pathogenic virus in the family Bromoviridae. The virus is seed‐bome. The characteristic symptoms of the disease are conspicuous mosaic patterns, deformation and distortion of leaves and stunting of the plant. In cowpea symptoms are typical of those caused by mosaic viruses, namely chlorotic spots with rings. Received: 8 February, 2008. All strains of CCMV can infect soybean and may cause locally significant yield losses. The virus is efficiently transmitted by several aphid species including the following: bean aphid (Aphis fabae), cowpea aphid (Aphis craccivora), pea aphid (Acyrthosiphon pisum), potato aphid (Macrosiphum euphorbiae), and the green peach aphid (Myzas persicae). This virus has a worldwide distribution and a very wide host range. Among these, aphid is a major economic pest of cowpea. Fery RL, Dukes PD. Invited Review Pest Technology ©2008 Global Science Books Diseases of Passion Flower (Passiflora spp.) and Aphis gossypii Glov. The most common virus disease on cowpeas is cowpea aphid-borne mosaic potyvirus. The cowpea chlorotic mottle virus (CCMV) has been identified in the United States, Cuba, and Nigeria. The virus has a wide host range and infects many members of the Chenopodiaceae and Leguminosae. List of common viruses infecting cowpea are given below. PEST RATING PROFILE Initiating Event: There is no initiating event. The virus, which causes severe mosaic and stunting, is transmitted by seeds in cowpeas but not in soybeans. Alfalfa, Medicago sativa, is an herbaceous perennial in the plant family Fabaceae (peas and beans) which is primarily grown as a forage crop which can be grazed by animals or harvested as hay to be used as an animal feed.Alfalfa has a deeply penetrating taproot and the stems of the plant branch from a woody base, growing upright and erect or along the ground. The virus is also transmitted through cowpea and soybean seed. Host range– Cotton, Sorghum, Lablab, Pea, Chillies, Groundnut, Tobacco, Okra, Maize, Tomato, Soybean, Safflower, Gram, Caterpillar first feeds on foliage, later bores into pods and feeds on seeds. Symptom expression can vary depending on the host infected. Turnip mosaic virus (TuMV) has a very wide host range … Virus diseases is a major factor militating against cowpea production in all agro ecological zones of Nigeria and yield reductions between 70-100% have been reported. 1976. Here, the concept of using an RNA interference construct to … Grasshoppers also transmit many viruses such as TMV, turnip yellow mosaic virus, turnip crinkle virus, etc. Affected plants may be stunted and will not produce normal pods. The virus infects peanut (Arachis hypogaea) and tomato (Solanum lycopersicum), in addition to chia, common bean (Phaseolus vulgaris), cowpea (Vigna unguiculata) and soybean. The virus is rarely present in wild legumes. Cowpea is an important grain legume crop of Africa, Latin America, and Southeast Asia. ... even of small populations, is the transmission of cowpea aphid-borne mosaic virus. The cucurbit beetle (Diabrotica speciosa) is also known to transmit several viruses such as comoviruses and different mosaic viruses. Bananas are susceptible to cucumber mosaic virus, banana mild mosaic virus, banana bract mosaic virus, and the banana bunchy top virus (BBTV).BBTV is by far the most virulent and aggressive pathogen with destructive potential of the entire crop. (iv) Beetles: More than seventy four species of beetle are known to transmit virus. Kannaiyan J. Haciwa HC. The exact place of domestication is uncertain. FAO Plant Protection Bulletin, 41:73-90. Cowpea mild mottle virus is transmitted by whitefly (Bemisia tabaci) in a non-persistent manner. The virus infects peanut (Arachis hypogaea) and tomato (Solanum lycopersicum), in addition to chia, common bean (Phaseolus vulgaris), cowpea (Vigna unguiculata) and soybean. Leaf curl and golden mosaic diseases caused by Mungbean yellow mosaic India virus (MYMIV) have emerged as most devastating viral diseases of cowpea in Southeast Asia. Insect Pest of Pulse Redgram and Chickpea. Larva is seen feeding with the head alone thrust inside the parts and the rest of the body hanging out. 1. Plant Protection Bulletin, FAO, 23(2):33-39. 1993. Cowpea (Vigna unguiculata) is one of the most important legumes cultivated in many parts of the world.The diseases caused by Cowpea severe mosaic virus (CPSMV) and Cowpea aphid-borne mosaic virus (CABMV) are considered among the most important constraints on yield and quality, especially in Latin America and Africa. 1992. Virology, 84(1):207-209, 01 Jan 1978 . Insecticide spray and cultural practices such as plant population density This study was carried out to determine the effects of single infections and co-infections of three unrelated viruses on three cowpea cultivars (one commercial cowpea cultivar “White” and 2 IITA lines; IT81D-985 and TVu 76). Diabrotica speciosa, also known as the cucurbit beetle and in Spanish as vaquita de San Antonio is an insect pest native to South America.Its larvae feed on the roots of crops. Dijkstra J, Bos L, Bouwmeester HJ, Hadiastono T, Lohuis H. 1987. Diseases of food legume crops for the scope of their management in Zambia. mo In fact it has the reputation of having the widest host range of any known plant virus. Leafhoppers can destroy cowpea during the seedling stage. MANAGEMENT. Cowpea mosaic virus can be seedborne and transmitted mechanically by aphids. Comparison of the relationships of southern bean mosaic virus and the cowpea strain of tobacco mosaic virus with the bean leaf beetle. Examples of beetle-transmitted viruses are cow pea mosaic virus, turnip yellow mosaic virus, squash mosaic virus, southern bean mosaic virus. Cited by: 3 articles | PMID: 563640 The virus‐vector‐host relationships of cowpea aphid‐borne mosaic virus (CAMV) and its vector, Aphis craccivora, were studied in cowpea lines differing in resistance to aphid infestation. Symptom expression can vary depending on the host infected. Scott HA, Fulton JP. be. Early infection of cabbage by this virus in the seedbed or soon after transplanting, can reduce yield by 75%, whereas late-season infection has little or no effect on yield. It is only occasionally observed in North and South Carolina as well as Georgia, and does not cause significant impacts to soybean producers in the region. Leaf spots Accepted: 7 April, 2008. You searched for: Subject "Cowpea aphid-borne mosaic virus" Remove constraint Subject: "Cowpea aphid-borne mosaic virus" Start Over. This research tries to demonstrate physiological effect of combined infection of two viruses on growth parameter of cowpea plant as demonstrated through symptom expression. Toggle facets Limit your search Text Availability.

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