Maize stripe virus: a disease of sorghum emerging in South India

Navi, S S and Bandyopadhyay, R and Blummel, M and Reddy, R K and Thomas, D (2003) Maize stripe virus: a disease of sorghum emerging in South India. International Sorghum and Millets Newsletter, 44. pp. 126-129.

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Abstract

During the growing season several foliar diseases of sorghum (Sorghum bicolor) affect grain and stover yields, stover quality and digestibility of the residues. While It Is documented that foliar diseases of sorghum affect yields, no data were found In the literature on the effects of foliar diseases on crop residue yield and quality or the economic consequences for rural producers. Recently Rama Devi et al. (2000) Indicated that diseased residues command much lower prices In the fodder market. Preliminary studies conducted at ICRISAT, Patancheru, India Indicated that sorghum anthracnose (Colletotrichum graminicola) and maize stripe virus (MStV), a tenuivirus, reduce crop residue yield, quality and digestibility. Extensive on-farm surveys were conducted at various crop growth stages In India during 1999-2001 mainly to understand prevalence of foliar diseases, farmers' perceptions on sorghum diseases, feeding strategies and cropping pattern. In this article, we report the incidence and severity of MStV in farmers' fields and its likely effects on crop productivity based on the frequency of occurrence of MStV in Inoculated and control plots.

Item Type: Article
Divisions: UNSPECIFIED
CRP: UNSPECIFIED
Subjects: Mandate crops > Sorghum
Depositing User: Library ICRISAT
Date Deposited: 13 Sep 2011 11:23
Last Modified: 13 Sep 2011 11:23
URI: http://oar.icrisat.org/id/eprint/1457
Official URL:
Projects: UNSPECIFIED
Funders: Department for International Development
Acknowledgement: UNSPECIFIED
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