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Plant Pathology Journal

Year: 2003  |  Volume: 2  |  Issue: 1  |  Page No.: 21 - 27

Inoculation Times with Strains of Macrophomina phaseolina and Colletotrichum corchori on the Seed Yield Contributing Characters of Late Jute Seeds

M.M. Islam, K.Sultana, M.M. Hussain, M.G. Mostafa, M.R. Islam, M.L. Rahman and M.A.Kashem

Abstract

An experiment was conducted to assess the effect of different inoculation times with MS-6, MS-9 strains of Macrophomina phaseolina and CS-1 strain of Colletotrichum corchori on the seed yield contributing characters and quality of late jute seeds (Corchorus capsularis L). Varieties were BJC-7370 and CVL-1. Results showed that inoculation with the pathogens was conducted on 45,55,65 days age of the jute plants. Variety BJC-7370 and CVL-1 of jute had reaction with strains MS-6, MS-9, and CS-1 at every inoculation times. The gradual increase of inoculation affected the plants. As the time of inoculation increases the lesion size on stem decreases, the number of pods plant-1, seeds plant-1 and Seed germinations (%) increases and at the same time seed infections (%) decreases. MS-6 strain was found more virulent than MS-9 and CS-1 regarding pods plant-1 and seeds plant-1 production, as well as seed germinations and infections(%).

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