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| 1 | Larvicidal and repellent potential of Moringa oleifera against malarial vector,Anopheles stephensi Liston(Insecta:Diptera:Culicidae)显示文摘Objective:To evaluate the larvicidal and pupicidal potential of the methanolic extracts from Moringa oleifera(M.oleifera) plant seeds against malarial vector Anopheles stephensi(A.stephensi) mosquitoes at different concentrations(20,40,60,80 and 100 ppm).Methods:M.oleifera was collected from the area of around Bharathiar University,Coimbatore.The dried plant materials were powdered by an electrical blender.From each sample,100 g of the plant material were extracted with 300 mL of methanol for 8 h in a Soxhlet apparatus.The extracts were evaporated to dryness in rotary vacuum evaporator to yield 122 mg and 110 mg of dark greenish material(residue) from Arcang amara and Ocimum basilicum,respectively.One gram of the each plant residue was dissolved separately in 100 mL of acetone(stock solution) from which different concentrations, i.e.,20,40,60,80 and 100 ppm were prepared.Results:Larvicidal activity of M.oleifera exhibited in the first to fourth instar larvae of the A.stephensi,and the LC_(50) and LC_(90) values were 57.79 ppm and 125.93 ppm for the first instar,63.90 ppm and 133.07 ppm for the second inslar,72.45 ppm and 139.82 ppm for the third instar,78.93 ppm and 143.20 ppm for the fourth instar,respectively. During the pupal stage the methanolic extract of M.oleifera showed that the LC_(50),and LC_(90) values were 67.77 ppm and 141.00 ppm,respectively.Conclusions:The present study indicates that the phytochemicals derived from M.oleifera seeds extracts are effective mosquito vector control agents and the plant extracts may be used for further integrated pest management programs. | Prabhu K Murugan K Nareshkumar A Ramasubramanian N Bragadeeswaran S | 2011 | Asian Pacific Journal of Tropical Biomedicine2011，1，2： | 19 |
| 2 | A comparative study of computation of Lyapunov spectra with different algorithms 显示文摘 | Ramasubramanian K Sriram M S | 2000 | Physica D2000，139，12： | 1 |
| 3 | Fast k-dimensional tree algo-rithms fornearest neighbor search with application to vector quantization encoding显示文摘 | Ramasubramanian V Paliwal K | 1992 | IEEE Transactions on Signal Proces-sing1992，40，3： | 1 |
| 4 | CO2 capture and H2 purification:Prospects for CO2-selective membrane process显示文摘 | RAMASUBRAMANIAN K ZHAO Y N WINSTON HO W S | 2013 | AIChE Journal2013，59，4： | 1 |
| 5 | An OFDM timing recovery scheme with inherent delay-spread estimation显示文摘 | Ramasubramanian K Baum K | 2001 | GLOBECOM ''01 IEEE2001，5，2529： | 1 |
| 6 | Effect of dimethyl sulphoxide on the crystal structure of porcine pepsin 显示文摘 | Kesavalu M M Ramasubramanian S Suguna K | 2005 | Biochem Biophys Res Commun2005，331，4： | 1 |
| 7 | Anabaena xisF gene encodes a developmentally regulated site-specific recombinase 显示文摘 | Carrasco C D Ramaswamy K S Ramasubramanian T S | 1994 | Genes Dev1994，8，1： | 1 |
| 8 | An Efficient Approximation-Elimination Algorithm for Nearest-Reighbor Search Based on A Spherical Distance Coordinate Formulation显示文摘 | V Ramasubramanian K K Paliwal | 2002 | Pattern Recognit Lett2002，13，7： | 1 |
| 9 | Assessment of fluoride contamination in groundwater using GIS, Dharmapuri District, Tamilnadu, India显示文摘 | SENDESH K K RAMASUBRAMANIAN V | 2011 | International Journal of Engi- neering Science and Technology2011，3，2： | 1 |
| 10 | A compu- tational fluid dynamics modeling and experimental study of the mixing process for the dispersion of the synthetic fibers in wet-lay forming 显示文摘 | RAMASUBRAMANIAN M K SHIFFLER D | 2008 | Journal of Engineered Fibers and Fabrics2008，3，1： | 1 |
| 11 | An efficient approximation -elimination algorithm for fast nearest-neighbor, search based on a spherical distance coordinate formulation 显示文摘 | Ramasubramanian V and Paliwal Kuldip K | 1992 | Pattem Recognition Letters1992，7，13： | 1 |
| 12 | Intraocular pressure monitoring sensors显示文摘 | KATURI K C ASRANI S RAMASUBRAMANIAN M K | 2008 | Sensors Journal2008，8，1： | 1 |
| 13 | A comparative study of computation of Lyapunov spectra with different algorithms显示文摘 | Ramasubramanian K Sriram M S | 2000 | Physica2000，139，： | 1 |
| 14 | Analysis of temperature in brake disc for fade assessment显示文摘 | H Ramasubramanian K N Seeth-aramu | 1989 | Warme-und Stoffubertragung1989，24，： | 1 |
| 15 | Acaricide resistance in Tetranychus urticae Koch (Acari:Tetranychidae) -global scenario 显示文摘 | Ramasubramanian T Ramaraju K Regupathy A | 2005 | Journal of Entomology2005，2，1： | 1 |
| 16 | Dissipation kinetics of chlorantraniliprole in soils of sugarcane ecosystem显示文摘 | RAMASUBRAMANIAN T PARAMASIVAM M SALIN K P | 2012 | Bull Environ Contam Toxicol2012，89，6： | 1 |
| 17 | Fast K-dimensional tree algorithms for nearest neighbor search with application to vector quantization 显示文摘 | Ramasubramanian V Paliwal K | 1992 | IEEE Trans on Signal Processing1992，40，3： | 1 |
| 18 | Fast Nearest-neighbor search algorithms based on approximation-elimination search显示文摘 | V Ramasubramanian Kuldip K Paliwal | 2000 | Pattern Recognition2000，33，： | 1 |
| 19 | CO2 capture and H2 purification:Prospects for CO2-selective membrane processes显示文摘 | Ramasubramanian K Zhao Y Winston HO | 2013 | AIChE Journal2013，59，4： | 1 |
| 20 | A Comparative Study of Computation of Lyapunov Spectra with Different Algorithms 显示文摘 | RAMASUBRAMANIAN K SRIRAM M S | 2000 | Physica D2000，139，： | 1 |
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