Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/99739
Title: Resistance of Hibiscus esculentus L. and Vigna sinensis (L.) Endl. to Pseudocercospora and plant peroxidase activity in relation to infection
Authors: Leina, M.J.
Tan, T.K. 
Wong, S.M. 
Keywords: Hibiscus esculentus
Peroxidase activity
Pseudocercospora spp.
Vigna sinensis
Issue Date: Oct-1996
Source: Leina, M.J.,Tan, T.K.,Wong, S.M. (1996-10). Resistance of Hibiscus esculentus L. and Vigna sinensis (L.) Endl. to Pseudocercospora and plant peroxidase activity in relation to infection. Annals of Applied Biology 129 (2) : 197-206. ScholarBank@NUS Repository.
Abstract: Five cultivars of Hibiscus esculentus L. and six cultivars of Vigna sinensis (L.) Endl. were tested for their relative resistance to Pseudocercospora spp. Differences in susceptibility to the leaf spot pathogen were observed in both host and non-host interactions. The H. esculentus cv. South Sea and V. sinensis cv. Purple Mart were most susceptible to Pseudocercospora abelmoschi and P. cruenta, respectively. The H. esculentus cv. Pure Luck was most tolerant to P. abelmoschi while the V. sinensis cv. KY Bush was highly resistant to P. cruenta. A distinct host-specific interaction was observed among the different species of Pseudocercospora. Cultivar specific interactions were most pronounced between V. sinensis and P. cruenta. A direct correlation was observed between the variation in peroxidase activity in the soluble fraction of inoculated leaves and resistance to infection in H. esculentus and V. sinensis cultivars. The soluble fraction of inoculated leaves had higher peroxidase activity than either mitochondrial or chloroplast extracts.
Source Title: Annals of Applied Biology
URI: http://scholarbank.nus.edu.sg/handle/10635/99739
ISSN: 00034746
Appears in Collections:Staff Publications

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