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Ganoderma diseases of perennial crops in India – an overview |
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中譯：印度多年生作物靈芝疾病 |
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Sankaran K V, Bridge P D and Gokulapalan C. / 2005.01 / Mycopathologia., 159 (1) :143–152. |
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The species of Ganoderma recorded from India as causing diseases of perennial crops are listed, and their host range and taxonomy discussed. Four new hosts of G. lucidum are also reported. A decline in productivity and the death of trees are the main economic impacts due to Ganoderma diseases, and the fungus is identified as a serious pathogen of cash crops, forest plantations and trees in natural forests in the country. Ganoderma diseases have been recorded on 144 hosts in India, the major pathogens being G. lucidum and G. applanatum. G. lucidum has been recorded on 91 hosts, and appears to cause the most widespread diseases. Identification has largely been made from morphological and cultural characters, and the names currently in use should therefore be treated with caution. Cultural methods of disease control are largely inefficient in minimising inoculum pressure and in reducing the disease incidence. Chemical methods in combination with soil amendments form short-term solutions for managing the disease and improving productivity. The immediate priorities for developing an efficient management system for Ganoderma diseases in India are: (1) a thorough understanding of the etiology and epidemiology of the diseases on different hosts, (2) clarifying current ambiguity in species names, (3) assessing the inter-relationships between populations of Ganoderma on different hosts and (4) developing tools for early detection of diseases in important crops.
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