外源赤霉素对蓝莓果实品质的影响  

Effects of exogenous gibberellin on fruit quality of blueberry

作　　者：郭小兰 李瀚 杨嘉蔚 胡进彬 王建兵[1] 王盾[1] 曹瑜 GUO Xiaolan;LI Han;YANG Jiawei;HU Jinbin;WANG Jianbing;WANG Dun;CAO Yu(Huizhou University,Huizhou 516007,China)

机构地区：[1]惠州学院,广东惠州516007

出　　处：《安徽农学通报》2024年第24期33-36,共4页Anhui Agricultural Science Bulletin

基　　金：广东省基础与应用基础研究基金项目(2022A1515111095);惠州学院教授、博士科研启动项目(2022JB021);惠州学院大学生创新创业训练计划项目“外源褪黑素缓解蓝莓幼苗抗旱性的研究”;惠州市哲学社会科学(学科共建·惠州学院)“惠州市蓝莓产业发展现状调查研究”(HZ2023GJ160)。

摘　　要：以南高丛蓝莓品种L25为试验材料,对其果实喷施浓度为0、25、50和100 mg/L外源赤霉素(GA_(3)),以清水处理为对照(CK),测定果实成熟后的单果质量、果实横径和果实纵径等外观指标以及可溶性固形物、可滴定酸和可溶性糖等含量。结果表明,果实外观方面,与CK相比,不同浓度GA_(3)处理的蓝莓果实外观指标有所提升,以100 mg/L GA_(3)处理的单果质量和果实横径较大,较CK分别增加了10.0%和1.6%;内在品质方面,果实可溶性固形物总量与CK基本相同,可溶性糖含量明显下降,可滴定酸、维生素C和花色苷含量均有较大幅度上升,50 mg/L GA_(3)处理的可滴定酸和维生素C含量较CK增加15.1%和66.3%,100 mg/L GA_(3)处理的花色苷含量较CK增加28.4%。综上,适宜的外源GA_(3)对蓝莓果实的外观和品质均具有提升作用,以50、100 mg/L GA_(3)对其品质提升效果较佳。Southern highbush blueberry cultivar L25 was used as the experimental material.The fruit was sprayed with exogenous gibberellin(GA_(3))at the concentrations of 0,25,50,and 100 mg/L.Using water treatment as control(CK),the fruit mass,fruit transverse diameter,fruit longitudinal diameter and other appearance indicators,the contents of soluble solids,titrable acid and soluble sugar were measured after ripening.The results showed that in terms of fruit appearance,compared with CK,the appearance of blueberry fruits treated with different concentrations of GA_(3)was improved in general,and the single fruit weight and transverse diameter of fruit treated with 100 mg/L GA_(3)were larger,which increased by 10.0%and 1.6%compared with CK,respectively.In intrinsic quality aspect,compared with CK,the total amount of soluble solids was basically the same,soluble sugar content decreased significantly,titrable acid,vitamin C and anthocyanin contents increased significantly,and titrable acid and vitamin C contents at 50 mg/L GA_(3)treatment increased by 15.1%and 66.3%compared with CK.The anthocyanin content of 100 mg/L GA_(3)treatment was 28.4%higher than that of CK.In conclusion,suitable exogenous GA_(3)can improve the appearance and quality of blueberry fruit,and 50 and 100 mg/L GA_(3)can improve the quality of blueberry fruit better.

关 键 词：外源赤霉素 蓝莓 果实品质 花色苷 

分 类 号：S663.9[农业科学—果树学]