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Bioefficacy evaluation of controlled release formulations based on amphiphilic nano-polymer of carbofuran against Meloidogyne incognita infecting tomato

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Title Bioefficacy evaluation of controlled release formulations based on amphiphilic nano-polymer of carbofuran against Meloidogyne incognita infecting tomato
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Creator Pankaj,
Najam Akhtar Shakil,
J. Kumar,
M.K. Singh
Khajan Singh
 
Subject Meloidogyne incognita, bioefficacy, controlled released formulations, nano-polymer, carbofuran, tomato.
 
Description Not Available
In the present investigation, the bioefficacy of developed carbofuran formulations, with PEG-600 (7a, CP1) & PEG-900 (7b, CP2) @ 5, 10 and 20 ppm, along with commercial formulation of carbofuran 3G (CP0) were evaluated against the root-knot nematode, Meloidogyne incognita infecting tomato (cv. PusaRuby) in pot and field conditions.The bioefficacy data indicated that the formulations developed by utilizing polymers having PEG – 900 (7b) as hydrophilic segment were effective even at 14 days post inoculation (dpi) as evident from shoot and root length. Also, the reduction in penetration was found to be maximum with CP2 (3.6 – 4.6 J2s) at all concentrations compared to CP1 (6.6 – 16.4 J2s) and CP0 (29.3 – 32.6 J2s). Overall, CP2 was more effective in reducing the number of nematodes up to 14 days, compared to CP1 and CP0. Both the CR formulations (CP1 and CP2) in general significantly reduced the number of galls, when compared to CP0. However, under field conditions, lower concentrations (5, and 10 ppm) of CP2, were less effective in controlling the gall formation whereas, CP2 at 20 ppm, was most effective than other treatments. The study revealed that the developed CR formulations of carbofuran have the potential for effective management of M. incognita in tomato under field conditions.
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Date 2024-04-22T16:10:34Z
2024-04-22T16:10:34Z
2012-04-11
 
Type Research Paper
 
Identifier Pankaj, Najam Akhtar Shakil, Jitendra Kumar, M. K. Singh & Khajan Singh (2012): Bioefficacy evaluation of controlled release formulations based on amphiphilic nano-polymer of carbofuran against Meloidogyne incognita infecting tomato, Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes, 47:6, 520-528
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http://krishi.icar.gov.in/jspui/handle/123456789/82282
 
Language English
 
Relation Not Available;
 
Publisher Taylor and Francis