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Binu Kumari, S.
- Efficacy of Botanical Extracts from Tagetus erecta and Cymbopogon citratus Against the Yellow Fever Mosquito, Aedes aegypti
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Authors
Affiliations
1 P. G. and Research Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T. N., IN
1 P. G. and Research Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T. N., IN
Source
Nature Environment and Pollution Technology, Vol 10, No 1 (2011), Pagination: 119-122Abstract
The plant extract of Tagetus erecta and Cymbopogon citratus were evaluated for ovicidal and repellent activities against Aedes aegypti. The egg hatchability was observed after 24 hour exposure. 100% ovicidal activity was observed at 5.5% and 3.0% respectively. Skin repellent test at 0.25, 0.5, 0.75 and 1.0 mg/cm2 concentration gave 100% protection upto 4.0, 4.5, 5.0, 5.5 and 6.0 hrs respectively. From the present study it was revealed that extracts from Tagetus erecta and Cymbpogon erecta can be effectively used in the control of Aedes aegypti.Keywords
Botanical Extracts, Tagetus erecta, Cymbopogon citratus, Aedes aegypti, Ovicidal Effects, Repellent.- Study of Well Waters in the Area Around Paper Mill Industry, Udumalpet, Tamilnadu
Abstract Views :137 |
PDF Views:0
Authors
Affiliations
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T. N., IN
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T. N., IN
Source
Nature Environment and Pollution Technology, Vol 8, No 4 (2009), Pagination: 845-847Abstract
Samples of well waters in the area around a paper mill industry situated at Udumalpet, Tamil Nadu were collected and analysed for physicochemical characteristics to assess the water quality during the period of six months of pre-monsoon season (June-November 2008). The data show that the quality of groundwater is grossly polluted and not suitable for drinking and irrigation purposes due to presence of high solids and electrical conductivity.Keywords
Groundwater Quality, Paper Mill Industry, Drinking Water, Irrigation Water.- Treatment of Dyeing Industry Effluents by Using Diverse Bioadsorbents
Abstract Views :115 |
PDF Views:2
Authors
Affiliations
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T.N., IN
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T.N., IN
Source
Nature Environment and Pollution Technology, Vol 9, No 1 (2010), Pagination: 157-160Abstract
Adsorption as a water and wastewater treatment process has aroused considerable interest during recent years. Activated carbon is most commonly used adsorbent. Dyeing effluents are highly toxic and unaesthetic, therefore, their treatment is mandatory prior to discharge. Hence, in the present work an attempt has been made to study the possibilities of employing tea waste, saw dust, rice husk, groundnut husk and walnut shell has bioadsorbents to improve the quality of dyeing effluents. The main parameters studied were pH, EC, TS, TDS, TSS, BOD, COD, calcium, magnesium, sulphate, chloride and sodium in both treated and untreated effluents. A decline in the levels of all these parameters were observed after the treatment.Keywords
Waste Treatment, Dye Industry Effluent, Bioadsorbents, Batch Experiment.- Limnological Studies on Walayar Reservoir, Palghat, Kerala
Abstract Views :112 |
PDF Views:1
Authors
Affiliations
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T.N., IN
1 Department of Zoology, Kongunadu Arts and Science College, Coimbatore-641 029, T.N., IN