EVALUATION OF FUNGICIDES FOR THE MANAGEMENT OF POWDERY MILDEW CAUSED BY ERYSIPHE POLYGONI IN FENUGREEK (TRIGONELLA FOENUM-GRAECUM)
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Authors
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N. R. PATEL
Sardarkrushinagar Dantiwada Agricultural University, Jagudan (Mehsana Dist.), Gujarat-384460
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B. K. PRAJAPATI
Sardarkrushinagar Dantiwada Agricultural University, Jagudan (Mehsana Dist.), Gujarat-384460
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N. P. PATHAN
Sardarkrushinagar Dantiwada Agricultural University, Jagudan (Mehsana Dist.), Gujarat-384460
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D. J. SANTOKI
Sardarkrushinagar Dantiwada Agricultural University, Jagudan (Mehsana Dist.), Gujarat-384460
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P. M. PATEL
Sardarkrushinagar Dantiwada Agricultural University, Jagudan (Mehsana Dist.), Gujarat-384460
Keywords:
Erysiphe polygoni, Economics, Fenugreek, Fungicides, Powdery mildew, ResiduesAbstract
A field study was conducted at Sardarkrushinagar Dantiwada Agricultural University, Jagudan, Gujarat, over four consecutive Rabi seasons (2018-19, 2019-20, 2020-21 and 2021-22) using a randomized block design with three replications to assess the efficacy of two fungicides against powdery mildew in fenugreek (cv. Gujarat Methi-2). Among all treatments, hexaconazole 5 SC at 0.0063% (Tƒ ) consistently recorded the lowest disease intensity (pooled mean:11.34%) and the highest seed yield (2309 kg/ha), being at par with hexaconazole 0.005% and wettable sulphur 0.25%. The untreated control showed the highest disease intensity (38.82%) and the lowest yield (1596 kg/ha). Residue analysis confirmed hexaconazole residues well below permissible limits, while economic evaluation revealed the highest ICBR (13.82) with Tƒ . Thus, foliar application of hexaconazole 5 SC at 0.0063% proved most effective, safe, and economical for managing powdery mildew in fenugreek.
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