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EVALUATION OF AN INSECT GROWTH REGULATOR, CHLORFLUAZURON AGAINST SPODOPTERA LITURA IN VIRGINIA TOBACCO

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Title EVALUATION OF AN INSECT GROWTH REGULATOR, CHLORFLUAZURON AGAINST SPODOPTERA LITURA IN VIRGINIA TOBACCO
Not Available
 
Creator U. SREEDHAR
 
Subject Chlorfluazuron, IGRs, Insecticides, Nicotiana tabacum, Spodoptera litura, Tobacco
 
Description Not Available
Tobacco caterpillar, Spodoptera litura (Fab.) is the key pest of tobacco in India. Studies were conducted to evaluate the efficacy of an insect growth regulator (IGR) chlorfluazuron (Atabron 5.4 EC) @ 0.0075%, 0.015% & 0.03% against the pest in a replicated experiment along with novaluron 10 EC @ 0.01%, lufenuron 5 EC @ 0.006% and emamectin benzoate 5 SG @ 0.0025% for two seasons in flue cured Virginia (FCV) tobacco (Nicotiana tabacum) cv. Siri at ICAR-Central Tobacco Research Institute farm, Rajahmundry, India. Results showed that emamectin benzoate 5 SG @ 0.0025%, was most effective in protecting tobacco from S.litura damage as shown by no damage at all in terms of number of leaves damaged, leaf area damaged and the damaged plants/plot. The next best treatment was chlorfluazuron (Atabron 5.4 EC) @ 0.03% as shown by number of leaves damaged (1.09 - 1.12%), leaf area damaged (2.71-4.18 %) and per cent plants damaged/plot (3.50 - 7.01%). Emamectin benzoate 5 SG @ 0.0025% treated plots recorded highest cured leaf (2485 kg/ha) as well as bright leaf yield (1163 kg/ha) and better grade index (1603) followed by chlorfluazuron @ 0.03% treated plots (2440, 1130 and 1555 kg /ha), respectively. Chlorfluazuron 5.4% EC @ 0.03% may be used to manage S.litura damage in rotation with emamectin benzoate
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Date 2020-12-01T05:27:44Z
2020-12-01T05:27:44Z
2019-09-14
 
Type Research Paper
 
Identifier 14
0379 - 055X
http://krishi.icar.gov.in/jspui/handle/123456789/42835
 
Language English
 
Relation Not Available;
 
Publisher INDIAN SOCIETY OF TOBACCO SCIENCE