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Emerging phytopathogenMacrophomina phaseolina: biology, economic importance and current diagnostic trends.

Kaur, Surinder; Dhillon, Gurpreet Singh; Brar, Satinder Kaur; Vallad, Gary Edward; Chand, Ramesh; Chauhan, Vijay Bahadur (2012). Emerging phytopathogenMacrophomina phaseolina: biology, economic importance and current diagnostic trends. Critical Reviews in Microbiology , vol. 38 , nº 2. p. 136-151. DOI: 10.3109/1040841X.2011.640977.

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Résumé

Macrophomina phaseolina (Tassi) Goid. is an important phytopathogenic fungus, infecting a large number of plant species and surviving for up to 15 years in the soil as a saprophyte. Although considerable research related to the biology and ecology of Macrophomina has been conducted, it continues to cause huge economic losses in many crops. Research is needed to improve the identification and characterization of genetic variability within their epidemiological and pathological niches. Better understanding of the variability within the pathogen population for traits that influence fitness and soil survival will certainly lead to improved management strategies for Macrophomina. In this context, the present review discusses various biological aspects and distribution of M. phaseolina throughout the world and their importance to different plant species. Accurate identification of the fungus has been aided with the use of nucleic acid–based molecular techniques. The development of PCR-based methods for identification and detection of M. phaseolina are highly sensitive and specific. Early diagnosis and accurate detection of pathogens is an essential step in plant disease management as well as quarantine. The progress in the development of various molecular tools used for the detection, identification and characterization of Macrophomina isolates were also discussed.

Type de document: Article
Mots-clés libres: epidemiology; food crops; global distribution; stem canker; taxonomy; toxin; variability
Centre: Centre Eau Terre Environnement
Date de dépôt: 08 juin 2018 20:01
Dernière modification: 08 juin 2018 20:01
URI: http://espace.inrs.ca/id/eprint/7270

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