Effects of Certain Fungicide Alternatives on Garlic Yield, Storage Ability and Postharvest Rot Infection

Document Type : Original Research

Authors

1 Department of Plant pathology, Faculty of Agriculture, Minia University, Minia, Egypt

2 Horticulture Research Institute, Agriculture Research Center, Giza, Egypt

Abstract

Three fungicide alternatives eg., peroxyacetic acid (PAA), potassium silicate )PS) and salicylic acid mixture )SA) were effective to reduce postharvest garlic rot. Fusarium spp that gave the most frequently found genera (65.1% frequency) were concerned in this study. The eight Fusarium isolate were able to rot garlic cloves and isolate F1 and F2 were the most virulent. Identification of the most two virulent isolates was F1 isolate Fusarium subglutinans where isolate F2 in Fusarium soloni. In vitro study showed that all fungicide alternatives were effective to reduce postharvest garlic rot severity under either F.subglutinans or F.solani infection. The highest concentration tested was the most effective than the lowest concentrations.
Under field experiments, garlic seed cloves soaking plus foliar spraying improved garlic production that assembly in enhancement of fresh weight, cured weight and cured significant reduction in weight losses. In addition, next planting cloves of fungicide alternatives treated garlic were more out standing against F. subglutinans and F. solani under artificial inoculation

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