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当前位置: 首页 > 文章 > 苯并噻重氮对采后枇杷果实病害及品质的影响 食品科学 2009,30 (6) 264-267
Position: Home > Articles > Effects of Benzothiadiazole on Diseases and Quality of Postharvest Loquat Fruit FOOD SCIENCE 2009,30 (6) 264-267

苯并噻重氮对采后枇杷果实病害及品质的影响

作  者：
张紫微;朱世江
单  位：
华南农业大学园艺学院广东省果蔬保鲜重点实验室
关键词：
枇杷;采后病害;品质;苯并噻重氮
摘  要：
用不同浓度的BTH溶液处理采后枇杷果实,贮藏于常温(22℃)和低温(3℃)下,考察了BTH对枇杷果实贮藏期间病害和品质的影响。结果显示,BTH降低了枇杷果实在常温条件下的自然发病的病情指数,减小了接种炭疽菌枇杷的病斑的直径;BTH提高了枇杷果皮的木质素含量和苯丙氨酸解氨酶活性,表明BTH激活了枇杷的防御系统;与对照相比,BTH处理降低了枇杷的果肉硬度,提高了枇杷的可溶性固形物和可滴定酸含量,无论在常温下还是低温下贮藏均如此。表明BTH对保持枇杷的品质有一定的效果。
译  名：
Effects of Benzothiadiazole on Diseases and Quality of Postharvest Loquat Fruit
作  者：
ZHANG Zi-wei,ZHU Shi-jiang (Guangdong Province Key Laboratory of Postharvest Physiology and Technology of Fruits and Vegetables, College of Horticulture, South China Agricultural University, Guangzhou 510642, China)
关键词：
loquat;postharvest disease;quality;benzothiadiazole (BTH)
摘  要：
Postharvest loquat (Eriobotrya japonica Lindley) fruits were treated with different concentrations of BTH solution and stored at normal temperature (22 ℃) or low temperature (3 ℃) for observing the occurrence of pathogenic diseases and changes in fruit quality. The results showed that BTH reduces the disease index of natural infection of loquats at normal temperature and lesion diameters of loquats inoculated with Colletotrichum acutatum. At the same time, BTH elevates the content of lignin and the activity of phenylalanine ammonia-lyase (PAL)in peel of loquat, which implies that BTH activates the defense system of postharvest loquat. Moreover, compared with the control, BTH decreases pulp firmness, increases contents of total soluble solids and titrable acids at both of normal and low temperatures, which indicates that BTH has positive effects on postharvest fruit quality.

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