volume 29 issue 2 (june 2009) :
SEASONAL OCCURRENCE OF PULSE POD BORER HELICOVERPA ARMIGERA (L.) ON CHICK PEA AT EASTERN U.P. REGION
1Department of Plant Protection,
Allahabad Agricultural Institute Deemed University, Allahabad-211 007, India
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Agricultural Science Digest
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volume 29 issue 2 (june 2009) :
SEASONAL OCCURRENCE OF PULSE POD BORER HELICOVERPA ARMIGERA (L.) ON CHICK PEA AT EASTERN U.P. REGION
1Department of Plant Protection,
Allahabad Agricultural Institute Deemed University, Allahabad-211 007, India
ABSTRACT
Gram pod borer, Helicoverpa armigera is the most damaging pest where pulse crop is grown.
The incidence of the pod borer, Helicoverpa armigera in chick pea commenced from second
week of February i.e. in the early part of 1st fortnight of February, with 0.05 mean larval population/
plant. The larval populations started increasing and reached its maximum of 12.97 mean larval
population/plant during 4th week of March (12th standard week). The population has significantly
positive correlation with both minimum and maximum temperature and the correlation coefficient
being 0.71 and 0.82, respectively. The correlation coefficient of morning and afternoon relative
humidity was -0.66. The rainfall and larval population showed positive correlation coefficient
(0.03) but it was non-significant. The wind velocity and the sunshine hours showed positive non
significant correlation with larval population
The incidence of the pod borer, Helicoverpa armigera in chick pea commenced from second
week of February i.e. in the early part of 1st fortnight of February, with 0.05 mean larval population/
plant. The larval populations started increasing and reached its maximum of 12.97 mean larval
population/plant during 4th week of March (12th standard week). The population has significantly
positive correlation with both minimum and maximum temperature and the correlation coefficient
being 0.71 and 0.82, respectively. The correlation coefficient of morning and afternoon relative
humidity was -0.66. The rainfall and larval population showed positive correlation coefficient
(0.03) but it was non-significant. The wind velocity and the sunshine hours showed positive non
significant correlation with larval population
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- Mathur, et al. (2003). In: Proc. National Symp. Frontier Area on Entomological Research, New Delhi Nov- 5-7, 2003.
- Pandey, R, and Ujagir, R. (2008). Ann. Pl. Protec. Sci. 16(2):320-324.
- Rao, J.D. and Kumar, N.R. (2001). Indian J. Plant Protection 29(1-2):152-153.
- Sarode, S.V. (1999). Pestology. Special issue, 13(2):279-284.
- Shan, M. and Shazad, K. (2005). Indian J. Ento., 65(1):82-85.
- Suganthy, S.R. and Chaurasia, P. (2003). Indian J. Ento., 62(1):24-27.
- Vaishampayan, S.K. and Veda, N. (1980). Annals Plant Protection Sci. 14(2):27-29.
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In this Article
APC
APC cover the cost of turning a manuscript into a published manuscript through peer-review process, editorial work as well as the cost of hosting, distributing, indexing and promoting the manuscript.
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Submit your manuscript through user friendly platform and acquire the maximum impact for your research by publishing with ARCC Journals.
Become a Reviewer/Member
Join our esteemed reviewers panel and become an editorial board member with international experts in the domain of numerous specializations.
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Filling the gap between research and communication ARCC provide Open Access of all journals which empower research community in all the ways which is accessible to all.
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Published In
Agricultural Science Digest