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- Studies on the Effectiveness and Persistence of Various Botanicals and Insecticides on the Surface Treatment of Gunny Bags at Bimonthly and Monthly Intervals against Sitophilus oryzae (Linn.) in Stored Wheat
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Authors
Affiliations
1 Krishi Vigyan Kendra, Raddewadgi-585 310, Tq: Jewargi, Dist. Gulbarga, Karnataka, IN
2 College of Agriculture, Bijapur-587 103, Karnataka, IN
1 Krishi Vigyan Kendra, Raddewadgi-585 310, Tq: Jewargi, Dist. Gulbarga, Karnataka, IN
2 College of Agriculture, Bijapur-587 103, Karnataka, IN
Source
Nature Environment and Pollution Technology, Vol 15, No 2 (2016), Pagination: 615-618Abstract
The study on storage was carried out in the division of Agricultural Entomology, Agricultural Research Station, Gulbarga during the year 2012-13 to know the efficacy and persistence of various botanicals and insecticides against Sitophilus oryzae Linn. over a period of 210 days in two different methods, i.e. the application of treatments at bimonthly and monthly intervals. In bimonthly interval at 30, 90, 150 and 210 DAS, deltamethrin at 0.005 per cent stood highly effective against Sitophilus oryzae and registered the maximum mortality of 96.40, 94.59, 93.69 and 89.55 percent, followed by sweet flag (5%) with mortality of 92.25, 89.53, 90.55 and 83.25 percent respectively, differing significantly over other treatments. Similarly, in another method, i.e., in a monthly interval in which the sweet flag (5%) remained predominant with the highest mortality of 97.30 and 96.65 percent at 30 and 90 DAS, however deltamethrin (0.005%) with 95.75 and 90.25 percent at 150 and 210 DAS respectively, differing significantly over other treatments. However, in both the methods, the residual toxicity, could not sustain with the lapse of time, as a result, there was no proper monitoring of inbuilt population of S. oryzae in stored wheat. From the above two methods of application of treatments against rice weevil management the bimonthly method was found effective.Keywords
Rice Weevil, Gunny Bags, Stored Wheat, Botanicals and Insecticides.Full Text
References
- Jilani, G. 1984. Use of botanicals for protection of stored food grains against insect pests: A review. Work Done at Grain Storage Research Laboratory. PARC, Karachi, Pakistan, pp. 30-35.
- Panesu, R.B., Duwadi, V.R. and Bhattarai, M.R. 1993. Second year of testing locally available plant materials against Sitophilus oryzae (Linn.) in stored wheat. Pakhribas Agricultural Centre. Working paper-Dhankuta, 44:7.
- Singh. P.K. 2010. A decentralized and holistic approach for grain management in India. Current Science, 99(9, 10): 1179-1180.
- Sinha, A.K. and Sinha, K.K. 1999. Insect pest, Aspergillus flavous and afflatoxin contamination in stored wheat, a survey at north Bihar (India). Journal of Stored Product Research, 26(4): 223-236.
- Sone, Lal, Doharey, R.B., Goyal, R.K. and Singh, D.V. 1989. Efficacy and residual toxicity of deltamethrin flow 2.5 WP as compared to malathion 50 per cent EC against stored grain insect pests in commercial ware houses. Bulletin of Grain Technology, 27(2): 79-84.
- World Bank Report 1999. Post harvest management-fights hunger with FAO. Indian Grains, 4(3): 20-22.
- Yadav, T. D. 1988. Efficacy of deltamethrin against storage insects in rice and wheat under ECI’s storage. Pesticides, 39-43.
- Studies on the Impact of Irrigation of Distillery Spent Wash on the Yield of Cotton (Gossipium hirsutum) and Groundnut (Arachis hypogaea) Oil Seed Plants
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Authors
Affiliations
1 Department of Studies in Sugar Technology, Sir M. Vishweshwraya Post-Graduate Centre, University of Mysore, Tubinakere-571 402, Karnataka, IN
2 Department of Chemistry, G. Madegowda Institute of Technology, Bharathi Nagar-571 422, Karnataka, IN
1 Department of Studies in Sugar Technology, Sir M. Vishweshwraya Post-Graduate Centre, University of Mysore, Tubinakere-571 402, Karnataka, IN
2 Department of Chemistry, G. Madegowda Institute of Technology, Bharathi Nagar-571 422, Karnataka, IN
Source
Nature Environment and Pollution Technology, Vol 12, No 1 (2013), Pagination: 143-146Abstract
Cultivation of Cotton and groundnut seeds was made by irrigation with distillery spent wash of different concentrations. The spent wash i.e., primary treated spent wash [PTSW] 1:1, 1:2 and 1:3 spent wash were analyzed for their plant nutrients such as nitrogen, phosphorus, potassium and other physico-chemical characteristics. Experimental soil was tested for its chemical and physical parameters. Cotton and groundnut seeds were sown in the prepared land and irrigated with raw water (RW), 1:1, 1:2 and 1:3 spent wash. The influence of spent wash irrigation on the yield of oil seed plants at maturity was investigated. It was found that the yield of oil seed plants was high in 1:3 spent wash irrigation than raw water and other dilutions.Keywords
Distillery Spent Wash, Irrigation, Oil Seed Plants, Yield.Full Text