EFFECTS OF THE CONTENT OF DRY MATTER, VITAMIN C, AND CAPSAICIN ON THE RESISTANCE TO TMV, CMV, AND ANTHRACNOSE IN CAPSICUM ANNUUM

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  • 1 Vegetable Institute of Hunan Academy of Agricultural Sciences, 410125 Changsha, Hunan, P.R.China

990 Capsicum annuum varieties were assessed at the seedling stage in greenhouse for their resistance to TMV(T), CMV(C) and anthracnose(A), and their mature (purple-red) fruits were analyzed for the content of dry matter(DM), vitamin C(VC) and capsaicin(CA). The data were eventually analyzed by means of correlation and path coefficient analysis. The result was as follows: the content of DM had little positive effect but significantly (P=O.O1) negative effect on the resistance to TWV, CMV and anthracnose, i.e. Pdt=0.0066, Pdc=(-0 .1364**), Pda=(-0.1881**); whereas the content of VC or CA respectively exerted positive effect, even significantly (P=0.01) positive effect, on the resistance to TMV, CMV and anthracnose, i.e. Pvt=0.0756**, Pvc=0.0093, Pva=0.2069** and Pct=0.2003**, Pcc=0.2300**, Pca=0.0091.

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