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Pakistan Journal of Biological Sciences
  Year: 1999 | Volume: 2 | Issue: 2 | Page No.: 415-418
DOI: 10.3923/pjbs.1999.415.418
 
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Relationship of Epidemiological Factors with Ascochyta blight Disease on Four Gram Varieties

M. Aslam Khan , M. Bashir Ilyas and M. Asim Islam

Abstract:
CM-72 and Paidar-91 were moderately susceptible while CM-88 and C-727 were highly susceptible. With an increase in maximum temperature (25-31°C) or minimum temperature (16-22°C) blight severity increased on all the gram varieties. The relationship of air temperature (max. and min.) with gram blight rate of disease development was fairly explained by linear regression models. Gram blight disease recorded on four varieties decreased with an increase of relative humidity from 65-85 per cent. The relationship of relative humidity and rain fall with gram blight disease severity was negative and it was not explained by linear regression.
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How to cite this article:

M. Aslam Khan , M. Bashir Ilyas and M. Asim Islam , 1999. Relationship of Epidemiological Factors with Ascochyta blight Disease on Four Gram Varieties . Pakistan Journal of Biological Sciences, 2: 415-418.

DOI: 10.3923/pjbs.1999.415.418

URL: https://scialert.net/abstract/?doi=pjbs.1999.415.418

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