Study the influence of climate change on Clavigralla gibbosa (Spinola) in pigeonpea

  • BL Jakhar
  • N Singh
  • PV Tapre
  • Y Ravindrababu
  • S Venilla

Abstract

Monitoring and population dynamics of tur pod bug, Clavigralla gibbosa in unprotected pigeonpea crop during kharif seasons from 2011 to 2014 at the Farmers field of Jurdcial area of S.D. Agricultural University, S.K. Nagar, North Gujarat, India. Temperature, rainfall and host-plant species were analyzed with respect to population fluctuation of the tur pod bug. The observations revealed that, the average number of larval population per plant in the season (from 27th to 3rd standard weeks) was 0.97, 0.32, 0.30 and 0.38 larvae per plant during 2011, 2012, 2013 and 2014 respectively. Population of C. gibbosa had significant and negative correlation with maximum temperature (r= -0.73), rainfall (r= -0.29) and relative humidity (r= -0.79, r= -0.58 morning and evening, respectively).

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Published
2017-11-30
How to Cite
JAKHAR, BL et al. Study the influence of climate change on Clavigralla gibbosa (Spinola) in pigeonpea. Journal of Agriculture and Ecology, [S.l.], v. 4, p. 37-43, nov. 2017. ISSN 2456-9410. Available at: <http://journals.saaer.org.in/index.php/jae/article/view/49>. Date accessed: 18 nov. 2019.
Keywords
Population dynamics, Clavigralla gibbosa, weather parameters