Chapter

Integrated Management of Diseases Caused by Fungi, Phytoplasma and Bacteria

Volume 3 of the series Integrated Management of Plant Pests and Diseases pp 271-302

Integrated Management Of Key Diseases Of Cotton and Rice

  • O. P. SharmaAffiliated withNational Centre for Integrated Pest Management, IARI Campus
  • , O. M. BambawaleAffiliated withNational Centre for Integrated Pest Management, IARI Campus

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Abstract

The major diseases of cotton and rice and the most suitable control measures are reviewed. Practical issues related to the identification of a disease based on symptoms and presence of pathogens are shown, as they have utmost importance for successful management. The main concepts for Integrated Disease Management are discussed, together with the technologies advocating the combination of a variety of control measures, including the conservation of existing natural defense system, crop rotation, intercropping, and cultivation of pest-resistant varieties. Cotton diseases considered include seedling diseases, bacterial blight, Alternaria leaf spot, grey mildew and leaf spots caused by Myrothecium, Cercospora, Helminthosporium, Macrophomina, stem canker, late season Phoma blight, rust (Phakopsora gossypii), leaf crumple, Cotton Leaf Curl Virus, Tobacco Streak Virus, root rot, Verticillium and Fusarium wilts, new wilt or parawilt, boll rots and lint diseases. Rice diseases reviewed include rice blast, brown spot, bacterial leaf blight and leaf streak, sheath blight, sheath rot, Fusarium wilt or “Bakanae”, stem rot, Tungro Virus, false smut and post-harvest diseases.