EVALUATION OF DIFFERENT PRE AND POST EMERGENCE HERBICIDES IN PEARL MILLET AND ITS RESIDUAL EFFECT ON SUCCEEDING BLACKGRAM
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Authors
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V. Harini
Department of Agronomy, S.V. Agricultural College, Tirupati-517502, Acharya N.G. Ranga Agricultural University, Andhra Pradesh
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B. Sandhya Rani
Department of Agronomy, S.V. Agricultural College, Tirupati-517502, Acharya N.G. Ranga Agricultural University, Andhra Pradesh
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P. MAHESWARA REDDY
Department of Agronomy, S.V. Agricultural College, Tirupati-517502, Acharya N.G. Ranga Agricultural University, Andhra Pradesh
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A Prasanthi
Department of Agronomy, S.V. Agricultural College, Tirupati-517502, Acharya N.G. Ranga Agricultural University, Andhra Pradesh
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V Chandrika
Department of Agronomy, S.V. Agricultural College, Tirupati-517502, Acharya N.G. Ranga Agricultural University, Andhra Pradesh
Keywords:
Blackgram, Herbicides, Pearl millet, Residues, Weed managementAbstract
A field investigation was conducted at the Dryland farm of S. V. Agricultural College, Tirupati campus of Acharya N.G. Ranga Agricultural University, Andhra Pradesh, during Rainy season, 2023 in a randomized block design. Eleven treatments were undertaken and each replicated thrice. The lowest weed density and biomass, higher weed control efficiency and pearl millet growth parameters, yield attributes, grain and stover yield were recorded with hand weeding (HW) twice at 20 and 40 DAS, but it was equally effective with pre emergence (PE) application of pendimethalin 0.5 kgha-1fb 1 HW at 30 DAS and PE application of atrazine 0.5 kg ha-1fb 1 HW at 30 DAS. Among the pre followed by post emergence (PoE) herbicides the density and dry weight of total weeds were lower with PE application of pendimethalin 0.5 kg ha-1fb PoE application of carfentrazone ethyl 20 gha-1at 25 DAS, which was at par with PE application of pendimethalin 0.5 kg ha-1fb PoE application of pyrithiobac sodium 0.05 kg ha-1at 25 DAS. Growth parameters of blackgram were not significantly influenced by weed management practices imposed in pearl millet. Application of atrazine, pendimethalin, pyrithiobac sodium, metsulfuron methyl + chlorimuron methyl, carfentrazone ethyl and tembotrione in pearl millet did not exert any residual/inhibitory effect on succeeding blackgram.
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