In vitro management of Macrophomina phaseolina by chemicals.
P. V. Khalikar, V. M. Gholve, Amarchand Keshav Adsul
Abstract
P. V. Khalikar, V. M. Gholve, Amarchand Keshav Adsul
Abstract
SUMMARY Chemical control is one of the measures to manage the disease and avoid the losses. The evaluation study was therefore conducted in vitro. Seven fungicides were tested against the pathogen i.e. Macrophomina phaseolina in vitro. The highest inhibition (100%) of M. phaseolina was observed due to carbendazim (500 ppm), chlorothalonil (500 ppm), hexaconazol (500 ppm) and captan (2500 ppm) followed by mancozeb (2500 ppm) (94.39 %) and benomyl (1000 ppm) 93.4 % and rest of the treatments significantly inhibited colony growth over control. The significantly highest inhibition (100%) of scleortial production was recorded due to carbendazim (500 ppm), chlorothalonil (800 ppm), hexaconazol (500 ppm) and captan (2500 ppm) followed by mancozeb (2500 ppm) 96.59 % and benomyl (1000) 96.59%.
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SUMMARY Chemical control is one of the measures to manage the disease and avoid the losses. The evaluation study was therefore conducted in vitro. Seven fungicides were tested against the pathogen i.e. Macrophomina phaseolina in vitro. The highest inhibition (100%) of M. phaseolina was observed due to carbendazim (500 ppm), chlorothalonil (500 ppm), hexaconazol (500 ppm) and captan (2500 ppm) followed by mancozeb (2500 ppm) (94.39 %) and benomyl (1000 ppm) 93.4 % and rest of the treatments significantly inhibited colony growth over control. The significantly highest inhibition (100%) of scleortial production was recorded due to carbendazim (500 ppm), chlorothalonil (800 ppm), hexaconazol (500 ppm) and captan (2500 ppm) followed by mancozeb (2500 ppm) 96.59 % and benomyl (1000) 96.59%.
Key concepts: Captan, Macrophomina phaseolina, Carbendazim, Mancozeb, Benomyl, Chlorothalonil, Fungicide, Biology