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‘Galia’ melons (Cucumis melo cv. Reticulatus) exported from Israel to Europe are coated with wax containing 2000 ppm imazalil to control decay-causing fungi (Alternaria alternata and Fusarium spp). The residual level on the fruit is 3-5 ppm of imazalil, and exceeds the tolerance levels of some countries (i.e., 0.5 ppm). In this study we test an alternative treatment to imazalil. Hinokitiol (β- thujaplicin), a volatile oil extracted from the Japanese Hiba tree (Thujopsis dolabrata), at a concentration of 750 ppm in the wax, controlled the decay-causing fungi and had no phytotoxic effect on the fruit. © 1993 The Royal Society of New Zealand.
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Hinokitiol (β-thujaplicin), for postharvest decay control on ‘Galia’ melons
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Hinokitiol (β-thujaplicin), for postharvest decay control on ‘Galia’ melons
‘Galia’ melons (Cucumis melo cv. Reticulatus) exported from Israel to Europe are coated with wax containing 2000 ppm imazalil to control decay-causing fungi (Alternaria alternata and Fusarium spp). The residual level on the fruit is 3-5 ppm of imazalil, and exceeds the tolerance levels of some countries (i.e., 0.5 ppm). In this study we test an alternative treatment to imazalil. Hinokitiol (β- thujaplicin), a volatile oil extracted from the Japanese Hiba tree (Thujopsis dolabrata), at a concentration of 750 ppm in the wax, controlled the decay-causing fungi and had no phytotoxic effect on the fruit. © 1993 The Royal Society of New Zealand.
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