Sengottayan Senthil Nathan

Summary

Publications

  1. ncbi request reprint Combined effect of biopesticides on the digestive enzymatic profiles of Cnaphalocrocis medinalis (Guenée) (the rice leaffolder) (Insecta: Lepidoptera: Pyralidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, Chonbuk 561 756, South Korea
    Ecotoxicol Environ Saf 64:382-9. 2006
  2. doi request reprint Toxicity and behavioral effect of 3beta,24,25-trihydroxycycloartane and beddomei lactone on the rice leaffolder Cnaphalocrocis medinalis (Guenée) (Lepidoptera: Pyralidae)
    Sengottayan Senthil-Nathan
    Plant Environment Division, Honam Agricultural Research Institute HARI, National Institute of Crop Science NICS, Rural Development Administration RDA, 381 Songhak dong, Iksan, Chonbuk 570 080, Republic of Korea
    Ecotoxicol Environ Saf 72:1156-62. 2009
  3. ncbi request reprint Larvicidal and growth inhibition of the malaria vector Anopheles stephensi by triterpenes from Dysoxylum malabaricum and Dysoxylum beddomei
    S Senthil Nathan
    Post Graduate and Research Department of Biotechnology, Vivekanandha College W, Trichengode, Namakkal, Tamil Nadu, India
    Fitoterapia 79:106-11. 2008
  4. ncbi request reprint Effect of azadirachtin on acetylcholinesterase (AChE) activity and histology of the brown planthopper Nilaparvata lugens (Stål)
    Sengottayan Senthil Nathan
    Plant Environment Division, Honam Agricultural Research Institute, National Institute of Crop Science, Rural Development Administration, Iksan, Chonbuk 570 080, Republic of Korea
    Ecotoxicol Environ Saf 70:244-50. 2008
  5. ncbi request reprint The toxic effects of neem extract and azadirachtin on the brown planthopper, Nilaparvata lugens (Stål) (BPH) (Homoptera: Delphacidae)
    Sengottayan Senthil Nathan
    Plant Environment Division, Honam Agricultural Research Institute HARI, National Institute of Crop Science NICS, Rural Development Administration RDA, 381 Songhak dong, Iksan, Chonbuk, 570 080, Republic of Korea
    Chemosphere 67:80-8. 2007
  6. ncbi request reprint The use of Eucalyptus tereticornis Sm. (Myrtaceae) oil (leaf extract) as a natural larvicidal agent against the malaria vector Anopheles stephensi Liston (Diptera: Culicidae)
    Sengottayan Senthil Nathan
    Post Graduate and Research Department of Biotechnology, Vivekanandha College W, Trichengode, Namakkal, Tamil Nadu 637 205, India
    Bioresour Technol 98:1856-60. 2007
  7. ncbi request reprint Behavioural responses and changes in biology of rice leaffolder following treatment with a combination of bacterial toxins and botanical insecticides
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, Chonbuk 561 756, Republic of Korea
    Chemosphere 64:1650-8. 2006
  8. ncbi request reprint Effects of Dysoxylum malabaricum Bedd. (Meliaceae) extract on the malarial vector Anopheles stephensi Liston (Diptera: Culicidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chonbuk 561756, South Korea
    Bioresour Technol 97:2077-83. 2006
  9. ncbi request reprint The toxicity and behavioural effects of neem limonoids on Cnaphalocrocis medinalis (Guenée), the rice leaffolder
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chola buktho, Chonbuk 561 756, Republic of Korea
    Chemosphere 62:1381-7. 2006
  10. ncbi request reprint Effect of neem limonoids on lactate dehydrogenase (LDH) of the rice leaffolder, Cnaphalocrocis medinalis (Guenée) (Insecta: Lepidoptera: Pyralidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chola buktho, Chonbuk 561 756, Republic of Korea
    Chemosphere 62:1388-93. 2006

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Combined effect of biopesticides on the digestive enzymatic profiles of Cnaphalocrocis medinalis (Guenée) (the rice leaffolder) (Insecta: Lepidoptera: Pyralidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, Chonbuk 561 756, South Korea
    Ecotoxicol Environ Saf 64:382-9. 2006
    ..A synergistic effect of botanical insecticides and bacterial toxins was found when combined in low doses. These effects are most pronounced in early instars...
  2. doi request reprint Toxicity and behavioral effect of 3beta,24,25-trihydroxycycloartane and beddomei lactone on the rice leaffolder Cnaphalocrocis medinalis (Guenée) (Lepidoptera: Pyralidae)
    Sengottayan Senthil-Nathan
    Plant Environment Division, Honam Agricultural Research Institute HARI, National Institute of Crop Science NICS, Rural Development Administration RDA, 381 Songhak dong, Iksan, Chonbuk 570 080, Republic of Korea
    Ecotoxicol Environ Saf 72:1156-62. 2009
    ..This result further shows that the pure triterpenes of Dysoxylum act as both an antifeedant and chronic toxin to the rice leaffolder larvae...
  3. ncbi request reprint Larvicidal and growth inhibition of the malaria vector Anopheles stephensi by triterpenes from Dysoxylum malabaricum and Dysoxylum beddomei
    S Senthil Nathan
    Post Graduate and Research Department of Biotechnology, Vivekanandha College W, Trichengode, Namakkal, Tamil Nadu, India
    Fitoterapia 79:106-11. 2008
    ..They also affected the reproductive potential of adults by acting as oviposition deterrents. The highest concentration tested (10 ppm) of both compounds evoked more than 90% mortality and oviposition deterrence...
  4. ncbi request reprint Effect of azadirachtin on acetylcholinesterase (AChE) activity and histology of the brown planthopper Nilaparvata lugens (Stål)
    Sengottayan Senthil Nathan
    Plant Environment Division, Honam Agricultural Research Institute, National Institute of Crop Science, Rural Development Administration, Iksan, Chonbuk 570 080, Republic of Korea
    Ecotoxicol Environ Saf 70:244-50. 2008
    ..1, 0.25, and 0.5 ppm, respectively). Fecundity was also significantly reduced in AZA treatments compared to the control. Histological study of ovary sections revealed abnormalities in follicular epithelial cells due to AZA treatment...
  5. ncbi request reprint The toxic effects of neem extract and azadirachtin on the brown planthopper, Nilaparvata lugens (Stål) (BPH) (Homoptera: Delphacidae)
    Sengottayan Senthil Nathan
    Plant Environment Division, Honam Agricultural Research Institute HARI, National Institute of Crop Science NICS, Rural Development Administration RDA, 381 Songhak dong, Iksan, Chonbuk, 570 080, Republic of Korea
    Chemosphere 67:80-8. 2007
    ..The results clearly indicate the simple NSKE (aqueous, ethanolic or both), containing low concentrations of AZA, can be used effectively to inhibit the growth and survival of BPH...
  6. ncbi request reprint The use of Eucalyptus tereticornis Sm. (Myrtaceae) oil (leaf extract) as a natural larvicidal agent against the malaria vector Anopheles stephensi Liston (Diptera: Culicidae)
    Sengottayan Senthil Nathan
    Post Graduate and Research Department of Biotechnology, Vivekanandha College W, Trichengode, Namakkal, Tamil Nadu 637 205, India
    Bioresour Technol 98:1856-60. 2007
    ..The results obtained suggest that, in addition to their medicinal activities, E. tereticornis can also serve as a natural mosquitocide...
  7. ncbi request reprint Behavioural responses and changes in biology of rice leaffolder following treatment with a combination of bacterial toxins and botanical insecticides
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, Chonbuk 561 756, Republic of Korea
    Chemosphere 64:1650-8. 2006
    ..All larvae died in the treatment of bacterial toxins and both botanicals combined...
  8. ncbi request reprint Effects of Dysoxylum malabaricum Bedd. (Meliaceae) extract on the malarial vector Anopheles stephensi Liston (Diptera: Culicidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chonbuk 561756, South Korea
    Bioresour Technol 97:2077-83. 2006
    ..In general, first and second instars were more susceptible to leaf extract than older insects. Clear dose-response relationships were established, with the highest dose of 4% plant extract causing 97% mortality of first instars...
  9. ncbi request reprint The toxicity and behavioural effects of neem limonoids on Cnaphalocrocis medinalis (Guenée), the rice leaffolder
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chola buktho, Chonbuk 561 756, Republic of Korea
    Chemosphere 62:1381-7. 2006
    ..Azadirachtin was most potent in all experiments and produced almost 100% larval mortality at 1 ppm concentration. These results indicate neem limonoids affect the larval behaviour. These effects are most pronounced in early instars...
  10. ncbi request reprint Effect of neem limonoids on lactate dehydrogenase (LDH) of the rice leaffolder, Cnaphalocrocis medinalis (Guenée) (Insecta: Lepidoptera: Pyralidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, 664 14 1ga Duckjin Dong Duckjin, Jeonju City, Chola buktho, Chonbuk 561 756, Republic of Korea
    Chemosphere 62:1388-93. 2006
    ..Azadirachtin was the most potent in of all the limonoids in all experiments indicating strong enzyme inhibition. Clear dose-response relationships were established with respect to LDH activity...
  11. ncbi request reprint Effects of neem limonoids on the malaria vector Anopheles stephensi Liston (Diptera: Culicidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, South Korea
    Acta Trop 96:47-55. 2005
    ..In general, first to third larval instars were more susceptible to the neem limonoids. Neem products may have benefits in mosquito control programs...
  12. ncbi request reprint Effect of biopesticides on the lactate dehydrogenase (LDH) of the rice leaffolder, Cnaphalocrocis medinalis (Guenée) (Insecta: Lepidoptera: Pyralidae)
    Sengottayan Senthil Nathan
    Department of Environmental Engineering, Chonbuk National University, Jeonju City, Chonbuk 561 756, South Korea
    Ecotoxicol Environ Saf 65:102-7. 2006
    ..The combined effect of the three biopesticides resulted in a considerable decrease in enzyme activity, indicating strong enzyme inhibition. Clear dose-response relationships were established with respect to enzyme activity...
  13. doi request reprint Toxicity and physiological effects of neem pesticides applied to rice on the Nilaparvata lugens Stål, the brown planthopper
    Sengottayan Senthil-Nathan
    Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, 627 412 Tirunelveli, Tamil Nadu, India
    Ecotoxicol Environ Saf 72:1707-13. 2009
    ..The results clearly indicate the neem-based pesticide (Parker Oil and Neema), containing low lethal concentration, can be used effectively to inhibit the growth and survival of N. lugens...
  14. doi request reprint The toxicity and physiological effect of goniothalamin, a styryl-pyrone, on the generalist herbivore, Spodoptera exigua Hübner
    Sengottayan Senthil-Nathan
    Plant Environment Division, Honam Agricultural Research Institute, National Institute of Crop Science, Rural Development Administration, 381 Songhak dong, Iksan, Chonbuk, Republic of Korea
    Chemosphere 72:1393-400. 2008
    ..exigua were investigated by using light microscopy. Cross sections of the midgut showed that the epithelial cells were destroyed. Significant damage of the midgut epithelium was observed along with lysis...