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Legume Research
Print ISSN: 0250-5371
Online ISSN: 0976-0571
NASS Rating
6.80
SJR
0.32
CiteScore
0.906

Chief Editor:
J. S. Sandhu
Vice Chancellor, SKN Agriculture, University, Jobner, VC, NDUAT, Faizabad, Deputy Director General (Crop Science), Indian Council of Agricultural Research (ICAR), New Delhi
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BIOSIS Preview, ISI Citation Index, Biological Abstracts, Elsevier (Scopus and Embase), AGRICOLA, Go...

Legume Research, volume 37 issue 6 (december 2014) : 675-678

ECOLOGICAL LIFE TABLE AND RELATIVE TOXICITY OF INSECTICIDES AGAINST LEAF EATING CATERPILLAR, Spodoptera litura Fab. ON GROUNDNUT

Nukala Naveen Kumar, M.F. Acharya, M.V. Dabhi*, A.V. Khanapara
1Department of Entomology, College of Agriculture, Junagadh Agriculture University, Junagadh–362 001 India
Cite article:- Kumar Naveen Nukala, Acharya M.F., Dabhi* M.V., Khanapara A.V. (2025). ECOLOGICAL LIFE TABLE AND RELATIVE TOXICITY OF INSECTICIDES AGAINST LEAF EATING CATERPILLAR, Spodoptera litura Fab. ON GROUNDNUT. Legume Research. 37(6): 675-678. doi: 10.5958/0976-0571.2014.00695.X.

ABSTRACT

The life table and key mortality factors of Spodoptera litura Fabricius revealed that the mortality in the younger group larvae was 1.56 per cent due to bacterial infection and unknown reasons. Mortality in the older group larvae was 19.8 per cent due to diseases like NPV, N. rileyi, B. bassiana and parasites like Cotesia spp., and Tachinid maggot. Mortality in the pupal and adult stage was 7.98 & 2.15 per cent due to NPV and unknown reasons, respectively. Generation survival (SG) was worked out and it was 0.70. Value of trend index (I) was calculated to the tune of 0.018. Comparative relative toxicity of some modern insecticides against S. litura revealed that Emamectin benzoate was the most toxic and effective insecticide as its LC50 value was 0.000954, however, Spinosad was found to be the least toxic in which the LC50 value was worked out to the tune of 0.0158 in comparision to Chlorpyriphos, Flubendiamide, Rynaxypyr and Novaluron.

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