alshoraky, F. (2021). Comparative Efficacy of Different Chemical Fungicide Groups against Cotton Root Rot. Journal of Plant Protection and Pathology, 12(3), 209-214. doi: 10.21608/jppp.2021.153571
fathia soliman alshoraky. "Comparative Efficacy of Different Chemical Fungicide Groups against Cotton Root Rot". Journal of Plant Protection and Pathology, 12, 3, 2021, 209-214. doi: 10.21608/jppp.2021.153571
alshoraky, F. (2021). 'Comparative Efficacy of Different Chemical Fungicide Groups against Cotton Root Rot', Journal of Plant Protection and Pathology, 12(3), pp. 209-214. doi: 10.21608/jppp.2021.153571
alshoraky, F. Comparative Efficacy of Different Chemical Fungicide Groups against Cotton Root Rot. Journal of Plant Protection and Pathology, 2021; 12(3): 209-214. doi: 10.21608/jppp.2021.153571
Comparative Efficacy of Different Chemical Fungicide Groups against Cotton Root Rot
plant pathology instetute,agriculture research center
Abstract
The current study was undertaken to evaluate the influence of various fungicidal treatment on the inhibition percent of pathogens and as seed treatment on cotton seedling stand establishment against root rot of cotton in in vitro as well as in field conditions at Sakha Agriculture Research Station during two seasons 2019 and 2020. This study was carried out to evaluate once more available fungicides, for their effectiveness against the root rot pathogens (Rhizoctonia solani ,Fusarium oxysporum and Macrophomina phaseolina). And upon it evaluate which of them for used it as seed treatment. All tested fungicides exhibited reduction in the radial growth of mycelium for all the testing fungi significantly compare with control. Hymexazole and Tebuconazole + fludioxnile showed excessive decreased of mycelial growth, when Hymexazole; Tebuconazole + fludioxnile; Carboxin + thiram; Triticonazole and Fludioxanile + mefenoxam (metalaxyl-m) gave best results in the reduction percent of inhibition) for the three tested pathogens. Efficiency of fungicide seed treatments were expressed as increased in standing percent; plant height and dry weight of plant. Disease incidence was very low in both Propanocarb HCl + fostyl Al and Fludioxanile + mefenoxam (metalaxyl-m). Generally, the fungicide treatments ended a little or no difference in plant height or dry weight. Under the field conditions (low disease pressure), results indicated that, fungicide seed treatments are slightly effective in increasing standing percent. Diniconazole-M was the most effective in disease reduction (expressed as 100% standing percent). These treatments were translated into increased plant height and dry weight of plants.
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