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Screening of Some Indigenous and Exotic Mulberry Varieties against Major Foliar Fungal and Bacterial Diseases  

Maji M.D. (Central Sericultural Research and Training Institute)
Sau H. (Central Sericultural Research and Training Institute)
Das B.K. (Central Sericultural Research and Training Institute)
Urs S. Raje (Seribiotech Research Laboratory, Kodathi)
Publication Information
International Journal of Industrial Entomology and Biomaterials / v.12, no.1, 2006 , pp. 35-39 More about this Journal
Abstract
Fifty-six indigenous and twenty nine exotic mulberry varieties were screened against powdery mildew, Myrothecium leaf spot, Pseudocercospora leaf spot, sooty mold and bacterial leaf spot for a period of three years under field condition. The percent disease index (PDI) was recorded during peak season of the foliar diseases. Out of eighty-five varieties studied, ten varieties were highly resistant and eight were resistant to powdery mildew; six varieties were immune and seventy-eight varieties were highly resistant to Myrothecium leaf spot; sixty varieties were highly resistant and 21 were resistant to Pseudocercospora leaf spot; forty four varieties were highly resistant to sooty mold and two varieties were immune and fifty-eight were highly resistant to bacterial leaf spot. Lowest cumulatative disease index was observed in M. multicaulis (7.28) followed by Thailand lobed (7.85) and Italian mulberry (8.06).
Keywords
Morus spp.; Resistance; Susceptible; Powdery mildew; Myrothecium leaf spot; Pseudocercospora leaf spot; Sooty mold; Bacterial leaf spot;
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