Developing chitosan based green fungicides to control pre- and postharvest anthracnose of dragon fruit
Zahid, Noosheen (2014) Developing chitosan based green fungicides to control pre- and postharvest anthracnose of dragon fruit. PhD thesis, University of Nottingham.
A study was conducted to develop an ecofriendly and sustainable fungicide based on submicron chitosan dispersions using low molecular weight chitosan and locally prepared chitosan. The physicochemical properties of both submicron dispersions were determined and their antimicrobial effect on Colletotrichum gloeosporioides was also investigated. The antifungal effect was further demonstrated by the production of fungal cell wall degrading enzymes and by the production of defence related enzymes in the plants along with the effect of submicron chitosan dispersions on the vegetative growth of plants. The effect of submicron chitosan dispersions on biochemical and physiological responses of dragon fruit during storage at 10 ± 2 °C and 80 ± 5% relative humidity for 28 days was also investigated.
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