Distribution of maize grey leaf spot - Dida, Midekssa
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Maize (Zea mays) is one of the most widely cultivated crops in the world. It occupies an important position in the world economy serving as food, feed, and industrial grain crop. In Ethiopia, an average productivity is about 3.94 t ha-1, which is below the world average of 5.78 tones ha-1. A significant portion of this yield gap is attributable to biotic and abiotic stresses. Diseases play a major role among the biotic constraints. Of these, grey leaf spot (Cercospora zeae-maydis) is one of the major foliar diseases threatening maize production in Ethiopia. Most of the researchers estimated…mehr

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Produktbeschreibung
Maize (Zea mays) is one of the most widely cultivated crops in the world. It occupies an important position in the world economy serving as food, feed, and industrial grain crop. In Ethiopia, an average productivity is about 3.94 t ha-1, which is below the world average of 5.78 tones ha-1. A significant portion of this yield gap is attributable to biotic and abiotic stresses. Diseases play a major role among the biotic constraints. Of these, grey leaf spot (Cercospora zeae-maydis) is one of the major foliar diseases threatening maize production in Ethiopia. Most of the researchers estimated that losses as high as 100% occurred when the pathogen attacked before the flowering stage. Also, in Ethiopia the loss caused due to GLS reached 49.5%. Therefore, the objective of this study was to assess the distribution, of GLS and morphological and cultural characterization, of maize GLS isolates. The field assessment was conducted during 2017 main cropping season by sampling 81 maize fields in 9 districts from 3 zones. Morphological and cultural characterization studies of the 5 isolates were done at JUCAVM Plant Pathology lab and greenhouse, respectively.
Autorenporträt
L'auteur Midekssa Dida Ardessa est né le 25 juin 1985 dans le district de Toke-Kutaye Zone Showa Ouest région Oromia. Il a rejoint l'Institut éthiopien de recherches agricoles (EIAR) basé au Centre national de recherche sur le maïs de Bako du 1er août 2012 jusqu'à ce qu'il rejoigne le Collège d'agriculture et de médecine vétérinaire de l'Université de Jimma en septembre 2016.