TY - JOUR AU - Lutfunnessa, Raozatul Jannat Ferdous AU - Shamsi, Shamim PY - 2011/11/21 Y2 - 2024/03/29 TI - Fungal diseases of cotton plant Gossypium hirsutum L. in Bangladesh JF - Dhaka University Journal of Biological Sciences JA - Dhaka Univ. J. Biol. Sci VL - 20 IS - 2 SE - Articles DO - 10.3329/dujbs.v20i2.8974 UR - https://www.banglajol.info/index.php/DUJBS/article/view/8974 SP - 139-146 AB - <p>Seven types of symptom were recorded in four varieties such as CB3, CB9, Hill cotton 1 (HC-1) and 2 (HC-2) of cotton (<em>Gossypium hirsutum </em>L.) during July, 2005 to June, 2008. The symptoms were Anthracnose, Alternnaria leaf spot, Boll rot, Cercospora leaf spot, Rust, Sclerotium rot and Wilting. Present study revealed that association of 30 species of fungi which belonged to 21 genera such as one one in Zygomycetes, one in Ascomycetes, one in Basidiomycetes, 18 in Deutermycetes and one in sterile fungus. The isolated fungi were <em>Alternaria alternata </em>(Fr.) Keissler, <em>Arthrinium </em>sp., <em>Ascochyta </em>sp., <em>Aspergillus flavus, </em>Link., <em>Aspergillus niger </em>Van Tiegh, <em>Aspergillus </em>sp., <em>Botryodiplodia </em>sp., <em>Cercospora </em>sp., <em>Chaetomium </em>sp., <em>Chaetophoma </em>sp., <em>Cladosporium </em>sp., <em>Colletotrichun coffeanum </em>Noack, z. f. Pflan zenko., <em>Colletotrichum </em>spp., <em>Curvularia clavate </em>Jain<em>, Curvularia lunata (</em>Wakker) Boedijn, <em>Fusarium moniliforme, </em>Wr. and Reink, <em>Fusarium </em>spp., <em>Nigrospora </em>sp., <em>Pestalotia </em>sp., <em>Penicillium </em>sp., <em>Phoma </em>sp., <em>Pteroconium </em>sp., <em>Puccinia </em>sp., <em>Rhizopus stolonifer </em>(Ehrenb. Ex. Fr) Lind, <em>Sclerotium rolfsii </em>Sacc., <em>Trichoderma viride </em>Pers. ex Fries. and one sterile fungus. <em>Fusarium </em>spp. and <em>Colletotrichum </em>spp. were frequently associated with all the four cotton varieties examined. <em>Botryodiplodia </em>sp. was associated with Hill Cotton 1 (HC-1) and Hill Cotton 2 (HC-2). <em>Sclerotium rolfsii </em>was found associated with CB-3 cotton variety.</p> <p><strong>Key words:</strong><em> </em>Fungal diseases<em>; </em>Cotton plant; <em>Gossypium hirsutum; </em>Bangladesh</p> <p>DOI: <a href="http://dx.doi.org/10.3329/dujbs.v20i2.8974">http://dx.doi.org/10.3329/dujbs.v20i2.8974</a></p> <p><em>DUJBS </em>2011; 20(2): 139-146</p> ER -