Studies of weather effect on frog-eye spot disease in Bidi tobacco using logistics regression

Authors

  • K. R. JOSHI Bidi Tobacco Research Station, Anand Agricultural University, Anand-388 110
  • D. J. PARMAR Department of Agricultural Statistics, Anand Agricultural University, Anand-388 110
  • Y. M. ROJASRA Bidi Tobacco Research Station, Anand Agricultural University, Anand-388 110

DOI:

https://doi.org/10.54386/jam.v20i2.524

Keywords:

Bidi tobacco, correlation, logistic regression, weather parameters

Abstract

The frog-eye spot (FES) disease caused by Cercospor anicotianae Ell. and Eve. is a major problem in both nursery as well as in the main field of bidi tobacco growing environments. Eight years data (2008-2015) on occurrence of disease and weather parameters were used for logistics regression analysis. The results indicated that sunshine hours (BSS) and minimum temperature (Tmin) were positive
and highly significant, whereas maximum temperature (Tmax) and rainfall (R) were found negative and highly significant.Further results of odd ratio indicated that every increase in 1 unit in BSS and Tmin, the risk of FES increases 1.7 and 1.4 times, respectively, whereas increase in 1 unit in Tmax and rainfall, the risk of FES decreases at rate of 0.6 and 1.0 times, respectively.

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Published

01-06-2018

How to Cite

K. R. JOSHI, D. J. PARMAR, & Y. M. ROJASRA. (2018). Studies of weather effect on frog-eye spot disease in Bidi tobacco using logistics regression. Journal of Agrometeorology, 20(2), 131–133. https://doi.org/10.54386/jam.v20i2.524

Issue

Vol. 20 No. 2 (2018): June

Section

Research Paper

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