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Saxena, Hem
- Record of Bracon hebetor Say (Hymenoptera: Braconidae) on Helicoverpa armigera (Hubner) in Chickpea
Abstract Views :275 |
PDF Views:137
Authors
Affiliations
1 Crop Protection Division, Indian Institute of Pulses Research, Kanpur 208024, Uttar Pradesh, IN
1 Crop Protection Division, Indian Institute of Pulses Research, Kanpur 208024, Uttar Pradesh, IN
Source
Journal of Biological Control, Vol 23, No 2 (2009), Pagination: 191-192Abstract
Regular survey for the parasitoids of Helicoverpa armigera (Hübner) in chickpea ecosystem was conducted during post-winter months (March-April) in Kanpur (Uttar Pradesh, India) during 2006-2008 cropping seasons. Fourth and fifth instar larvae of H. armigera were found parasitized by Bracon hebetor Say (Hymenoptera: Braconidae). The per cent parasitization of B. hebetor on H. armigera larvae in chickpea ecosystem ranged from 0.24 to 1.59 under field conditions. This is the first record of B. hebetor from chickpea ecosystem. A study was also conducted on the effect of adult diets on the longevity of the parasitoid. Highest longevity of 34.7 days in case of female and 22.0 days in case of male was recorded when fed with 50% honey solution.Keywords
Bracon hebetor, Helicoverpa armigera and Chickpea Ecosystem.Full Text
References
- Anonymous, 1974. Biology and breeding techniques for parasites and predators of Ostrinia spp. U. S. PL 480 Project, Final Technical Report, 21 June 1967-20 June, 1973, Commonwealth Institute of Biological Control, Indian Station, Bangalore,Karnataka, India.
- Armes, N. J., Bond, G. S. and Cooter, R.J. 1992. The laboratory culture and development of Helicoverpa armigera. Natural Resource Institute Bulletin 57, Chatham, United Kingdom. p.22.
- Mandal, S. M. A. and Mishra, B. K. 2004. Evaluation of some biocontrol agents against Helicoverpa armigera (Hubner) in chickpea. Journal of Plant Protection and Environment, 1: 27-29.
- Singh, S. P., Ballal, C. R. and Poorani, J. 2002. Old World bollworm Helicoverpa armigera, associated Heliothinae and their natural enemies. Technical bulletin No. 31. Project Directorate of Biological Control, Bangalore, India, 135pp.
- Varma, A., Hem Nigam and Singh, K. 1987. Laboratory and field evaluations of an exotic parasite,Allorhogas pyralophagus Marsh (Hymenoptera:Braconidae) against sugarcane stalk borer, Chilo auricilius Ddgn. (Lepidoptera: Pyralidae). Entomon, 12: 367-372.
- Evaluation of Bacillus thuringiensis Formulations against Gram Semilooper Autographa nigrisigna Walker (Lepidoptera: Noctuidae)
Abstract Views :203 |
PDF Views:105
Authors
Hem Saxena
1,
R. Ahmad
1
Affiliations
1 Division of Crop Protection, Indian Institute of Pulses Research, Kanpur 208 024, Uttar Pradesh, IN
1 Division of Crop Protection, Indian Institute of Pulses Research, Kanpur 208 024, Uttar Pradesh, IN
Source
Journal of Biological Control, Vol 11, No 1&2 (1997), Pagination: 89-91Abstract
In a laboratory trial Dipel (B. t.) at 0.5, 0.75, 1.0 and 2 kg/ha was found more toxic than Delfin, killing 16,36, 76 and 88 per cent larvae of Autographa nigrisigna Walker. Delfin registered 8, 28, 60 and 80 per cent mortality in dosage 0.5,0.75, 1.0 and 2.0 kg/ha, respectively. Dipel 2 kg/ha was on par with endosulfan (0.07%) after 72 h.Keywords
Autographa nigrisigna, Bacillus thuringiensis.Full Text
- Field Evaluation of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera (Hiibner) Infecting Chickpea
Abstract Views :187 |
PDF Views:100
Authors
Hem Saxena
1,
R. Ahmad
1
Affiliations
1 Indian Institute of Pulses Research, Kanpur 208 024, Uttar Pradesh, IN
1 Indian Institute of Pulses Research, Kanpur 208 024, Uttar Pradesh, IN
Source
Journal of Biological Control, Vol 11, No 1&2 (1997), Pagination: 93-96Abstract
Beauveria bassiana (Balsamo) Vuillemin was tested under field conditions to control Helicoverpa annigera (Hiibner) infesting chickpea for two crop seasons and was found very effective. The concentration of fungal spores in spray fluid had definite negative correlation with the pest incidence. At a concentration of 2.68 × 107 spores/ml, the average pod damage was 6.8 per cent and yield of 2377 kg/ha. Untreated control recorded 16.3 per cent pod damage with an yield level of 1844 kg/ha.Keywords
Beauveria bassiana, Chickpea, Helicoverpa armigera.Full Text