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Keywords:
Leafhoppers Cicadulina spp. maize streak virus molecular characterisation soils agroenvironmental factors.
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Significance and transmission of maize streak virus disease in Africa and options for management: A review
Abstract
The distribution of leafhopper vector populations and the viral diseases they vector are inherently influenced by agro-ecological factors. This review discusses the distribution and classification of MSV
strains, their vectors and how agro-ecological factors mediate the prevalence of MSV disease. Important strains of MSV have been characterised on the African continent using molecular techniques,
however, evidence on the characterisation of geographically separate populations of Cicadulina spp. and the viral strains they vector is inadequate. The potential of applying knowledge on the influence of
soil nutrients, altitude and temperature on the biology of maize streak virus (MSV) / vector populations is discussed. This review has considered the potential of using soil nutrients in determining nutritive
status of maize host plants and its effects on population dynamics of Cicadulina mbila Naudé (Homoptera: Cicadelidae), an important vector of MSV disease and the expression of MSV disease. Future research options that can provide information on the influence of soil fertilization on the behaviour of characterised vector populations, MSV disease transmission, virulence and disease expression are proposed.
strains, their vectors and how agro-ecological factors mediate the prevalence of MSV disease. Important strains of MSV have been characterised on the African continent using molecular techniques,
however, evidence on the characterisation of geographically separate populations of Cicadulina spp. and the viral strains they vector is inadequate. The potential of applying knowledge on the influence of
soil nutrients, altitude and temperature on the biology of maize streak virus (MSV) / vector populations is discussed. This review has considered the potential of using soil nutrients in determining nutritive
status of maize host plants and its effects on population dynamics of Cicadulina mbila Naudé (Homoptera: Cicadelidae), an important vector of MSV disease and the expression of MSV disease. Future research options that can provide information on the influence of soil fertilization on the behaviour of characterised vector populations, MSV disease transmission, virulence and disease expression are proposed.
