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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

2017, Vol. 5, Issue 3
Evaluation of different doses of lancer gold (acephate 50% + imidacloprid 1.8% SP) against major insect pests of rice

RK Kalyan, DP Saini and S Ramesh Babu

A field experiment was carried out to evaluate the efficacy of different doses of lancer gold (acephate 50% + imidacloprid 1.8% SP) i.e. 800, 1000 and 1200 g ha-1 and 2000 g ha-1 (only for phytotoxicity test) along with three checks against major insect pests of rice at Agricultural Research Station- Banswara, Rajasthan during kharif-2014 and 2015. Among the different doses of lancer gold, 1200 and 1000g ha-1 were found effective over to acephate 75 SP, imidacloprid 17.8 SL and chlorpyriphos 50 + cypermethrin 5 EC in controlling population of brown plant hopper, green leaf hopper, stem borer and rice leaf folder and also gave significantly higher grain yield than other treatments. Highest grain yield of 3610 and 3471 kg ha-1 was recorded in lancer gold (acephate 50% + imidacloprid 1.8% SP) @ 1200 g ha-1 and it is statistically at par with lancer gold @ 1000 g ha-1 in the year 2014 and 2014, respectively. However, the maximum cost: benefit ratio of 1:18.65 was obtained in lancer gold @ 1000 g ha-1 due to low cost of treatment. Lancer gold (acephate 50% + imidacloprid 1.8% SP) @ 2000 g ha-1 did not cause any visual phytotoxicity symptoms on the crop.
Pages : 1677-1683 | 3477 Views | 49 Downloads
How to cite this article:
RK Kalyan, DP Saini, S Ramesh Babu. Evaluation of different doses of lancer gold (acephate 50% + imidacloprid 1.8% SP) against major insect pests of rice. J Entomol Zool Stud 2017;5(3):1677-1683.
Journal of Entomology and Zoology Studies
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