Barley yellow dwarf viruses in Kenya

Barley yellow dwarf viruses in Kenya

Scientific NameBarley yellow dwarf viruses
Common Namebarley yellow dwarf
Synonymsmaize leaf fleck virus, cereal yellow dwarf virus, red leaf disease of barley
Pest Life FormVirus
Distribution StatusPresent
Quarantine StatusUnregulated
Common Host CommoditiesOats, Barley, Rice, Millet, Kikuyu grass, Sorghum, Wheat, Maize
Climatic ConditionsNot set
Life CycleNot set
Dispersal MechanismThey are spread efficiently by several aphid vectors (Rhopalosiphum padi, Sitobion avenae, Metopolophium dirhodum, Rhopalosiphum maidis, Schizaphis graminum among others) that are prevalent worldwide. They are not mechanically or seed transmissible.
Presence In Other CountriesKenya

Commodities affected by Barley yellow dwarf viruses in Kenya

#CommodityPlant Parts AffectedControl MeasuresEconomic Importance
1 Maize Leaves Host-plant resistance, cultural, biological and chemical controls. BYDVs are the most economically important virus disease of cereals and the most widespread. Plants are usually stunted, with a decrease in tiller number and biomass and a weak root systems. Suppressed heading, sterility and failure of grains to fill occur in the most severe cases. In wheat, losses of 47 and 26% have been reported after experimental inoculation with PAV in Kenya (Wangai, 1990).
2 Rice Leaves Chemical, Biological, genetic resistance & cultural practices Its the most economically important and widespread virus disease of cereals causing significant yield reduction, No known quarantine regulations,

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