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Annals of Plant Protection Sciences
Year : 2008, Volume : 16, Issue : 2
First page : ( 350) Last page : ( 352)
Print ISSN : 0971-3573.

Bio-efficacy and Economics of Neem Based Formulations against Dasyneura lini Barnes*

Yadav Adbhut, Ali Shamshad

Department of Entomology, N.D. University of Agriculture & Technology, Kumarganj, Faizabad, 224 229, India.

*Part of M.Sc (Ag.) thesis submitted by senior author to N.D.U.A.S.T., Faizabad

Abstract

Bio-efficacy of six neem based formulations i.e. neemarin @ 0.15%, neem india @ 0.5%, econeem @ 0.5%, nimbicidine @ 0.5%, neemoil @ 0.5%, NSKE @ 5% alongwith endosulfan @ 0.07% were tested against budfly on linseed cv. Neelum. Results revealed that endosulfan @ 0.07% gave significant lowest incidence of bud fly (1.9, 3.1 & 4.0%) at 3rd, 5th and 7th day after spray as compared to rest of the treatments. However, NSKE @ 5% was the best among neem based formulations. The lower incidence of budfly (3.5, 4.1 & 6.0%) was recorded with spray of NSKE @ 5% on 3rd, 5th and 7th day after treatments, followed by nimbicidine @ 0.5% (4.3, 4.3 & 6.1%), respectively. The highest yield (19.23 q/ha) was obtained in endosulfan @ 0.07% treated plots followed by NSKE @ 5% (17.07 q/ha). The highest B.C. ratio was obtained (20.31/ha) in endosulfan followed by nimbicidine, NSKE, neem oil, econeem, neemarin and neem india.

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Key words

Dasyneura liniLinum usitatissimum, Neem formulations.

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