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首页> 外文期刊>Acta Horticulturae >Influence of Paraben Concentration on the Development of Green and Blue Molds on 'Valencia' Orange Fruit
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Influence of Paraben Concentration on the Development of Green and Blue Molds on 'Valencia' Orange Fruit

机译:对羟基苯甲酸酯浓度对'巴伦西亚'橙色水果绿色和蓝色霉菌发育的影响

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摘要

Three paraben sodium salts (p-hydroxy-benzoate) were evaluated as postharvest treatments to control citrus green (GM) and blue (BM) mold, caused by Penicillium digitatum and Penicillium italicum, respectively. The curative activity of sodium methyl (SMP; at 0.1, 1,10, 40, 70, 100,150, 200 and 250 mM), ethyl (SEP; at 0.1,1, 10, 20, 30, 40, 70, and 100 mM) and propyl (SPP; at 0.1, 1, 4, 7, 10, and 100 mM) paraben were evaluated on 'Valencia' oranges by inoculating the pathogens in rind wounds and, about 24 h later, placing a drop of the solutions in the same rind wound. Disease development was assessed on fruit incubated at 20°C for 6 days. All three paraben salts reduced mold development. Concentrations of 150, 200 and 250 mM of SMP were the most effective and completely controlled both diseases. Concentrations of 20, 30, 40, 70 and 100 mM of SEP reduced the incidence of GM and BM by 100, 94, 100, 100 and 73% and 87, 62, 93, 100 and 80%, respectively. Concentrations of 7, 10 and 100 mM of SPP reduced the incidence of GM and BM by 94, 89 and 94% and 70, 88 and 100%, respectively. Most of these concentrations of SMP, SEP and SPP also significantly reduced the severity of GM and BM. SMP at 200 mM, SEP at 70 mM and SPP at 100 mM were, among the rangeof concentrations tested, selected as the best to be used in further research.
机译:评价了三种对羟基苯甲酸酯钠盐(对羟基苯甲酸酯)作为收获后的处理方法,以控制分别由指状青霉和意大利青霉引起的柑桔绿(GM)和蓝霉(BM)。甲基钠(SMP;在0.1、1、10、40、70、100、150、200和250 mM时),乙基(SEP;在0.1、1、10、20、30、40、70和100 mM时的治疗活性通过接种果皮伤口中的病原体,在'Valencia'橙上评估)和对羟基苯甲酸丙酯(SPP;分别为0.1、1、4、7、10和100 mM)对羟基苯甲酸酯,约24小时后,将一滴溶液置于相同的外皮伤口。在20°C下孵育6天的水果上评估疾病的发展。所有三种对羟基苯甲酸酯盐均会减少霉菌的形成。 150、200和250 mM的SMP浓度是最有效和完全控制的两种疾病。浓度为20、30、40、70和100 mM的SEP可使GM和BM的发生率分别降低100、94、100、100和73%,以及87、62、93、100和80%。浓度为7、10和100 mM的SPP分别使GM和BM的发生率降低了94、89和94%,以及70、88和100%。这些浓度的SMP,SEP和SPP中的大多数也显着降低了GM和BM的严重程度。在所测试的浓度范围内,选择200 mM的SMP,70 mM的SEP和100 mM的SPP作为最适合进一步研究的浓度。

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