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Comparative studies of isolates of colletotrichum gloeosporioides from eighteen Malaysian hosts


S. Kanapathipillai, Vijaya (1996) Comparative studies of isolates of colletotrichum gloeosporioides from eighteen Malaysian hosts. Pertanika Journal of Tropical Agricultural Science, 19 (1). pp. 7-15. ISSN 0126-6128

Abstract / Synopsis

Colletotrichum gloeosporioidesfrom eighteen Malaysian hosts, namely mandarin orange (Citrus reticulata), cacao (Theobroma cacao), an orchid (Cattleya sp.), pepper (Piper nigrum), chilli (Capsicum annum), grass (Imperata cylindrica), mango (Mangifera indica) and legume cover crops (Pueraria phaeseoloides, Centrosema pubescens, and Calopogonium mucunoides) and a weed (Mimosa pudica), vegetables (Psophocarpus tetragonolobus, Phaseolus vulgaris, Vigna radiata, Vigna sesquipedalis and Arachis hypogaea), a shrub (Leucaena leucocephala) and a herbaceous vine (Clitoria ternatea) were examined for colony growth characteristics, morphology of conidia, growth on various media and temperatures and pathogenicity on Phaeseolus bean hypocotyls. Conidium size ofColletotrichum gloeosporioides was 14.25-19.0 x 2.7-5.03 llm. The appressorium size was 6.34-10.08 x 5.28-7.31 llm and the shape was globose/sub-globose/lobed. No correlation between the appressorium size and shape was noticed. The optimum temperature for growth was 28 and 30°C. None of the isolates caused infection symptoms on Phaseolus bean hypocotyls.

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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
Publisher: Universiti Putra Malaysia Press
Keywords: Colletotrichum gloeosporioides; Malaysian hosts; Anthracnose; Pathogenicity
Depositing User: Nasirah Abu Samah
Date Deposited: 30 Nov 2009 10:44
Last Modified: 04 Sep 2015 11:51
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