Vol. 7, Special Issue 6 (2019)
Evaluation of pesticide computability against stem borer, leaf folder and sheath blight of rice in irrigated ecosystem
Author(s): SKS Rajpoot, V Prasad, Saurabh Dixit, DK Verma, SP Giri, RA Singh and T Kumar
Abstract: Experiments were conducted to evaluate the compatibility of insecticide with fungicide against major insect pest (stem borer, leaf folder) and disease (sheath blight) of rice during ws 2017 and 2018. Insect pests and disease infestations are the primary constraints in rice (Oryza sativa. L) Production. The rice stem borer, leaf folder and sheath blight causing major loss of production. The experiment consisted of nine treatments combination viz.T1-Spinetoram 6% + methoxyfenozide 30% @ 0.75 g/l., T2- DPX-RAB 55 @ 0.48 g/l., T3- Contaf Plus 2.0 g/letter,4- Mantis 75@ 0.6 g/l., T5- Spinetoram 6% + methoxyfenozide 30%+Contaf (Spinetoram 6% + methoxyfenozide 30%+ Hexaconazole) @ 0.75+2.0 g/l,T6- Spinetoram 6% + methoxyfenozide 30%+ Mantis (Spinetoram 6% + methoxyfenozide 30%+ Tricyclazole)@ 0.75+0.6 g/l., T7- DPX-RAB 55+Contaf (Triflumezopyrim +Hexaconazole)@ 0.48+2.0 g/l.,T8- DPX-RAB 55+Mantis (Triflumezopyrim + Tricyclazole)@ 0.48+0.6 g/l. andT9- Untreated control. During both the years incidence of yellow stem borer and leaf folder at vegetative stage was below threshold level but at reproductive stage of crop growth incidence of yellow stem borer, leaf folder and sheath blight were observed significantly higher, due to congenial environment for insect pest and disease development and growth. Among treatments combination DPX-RAB 55+Contaf (Triflumezopyrim +Hexaconazole) was found most effective against yellow stem borerof rice resulted with lower dead heart% 4.2 (30 DAT), 4.7 (50 DAT) and white ear%. 0.8%. DPX-RAB 55+Contaf (Triflumezopyrim +Hexaconazole) was also found effective to control incidence of leaf folder% 1.1 (30 DAT), 0.5 (50 DAT) and sheath blight 18.2%. Maximum grain yield was also recorded with the treatment of DPX-RAB 55+Contaf Triflumezopyrim +Hexaconazole – 0.48+2.0 g/letter (3450 kg/ha) followed by DPX RAB 55+ Mantis.
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How to cite this article:
SKS Rajpoot, V Prasad, Saurabh Dixit, DK Verma, SP Giri, RA Singh and T Kumar. Evaluation of pesticide computability against stem borer, leaf folder and sheath blight of rice in irrigated ecosystem. International Journal of Chemical Studies. 2019; 7(6): 936-939.
