戚霄晨;简在海;张琦;宋尚伟;

• 1:河南农业大学园艺学院·河南省果树瓜类生物学重点实验室

摘要(Abstract)：

【目的】探讨叶面施用外源硒对甜樱桃叶片、果实中的硒及有害重金属含量、部分生化指标、果实品质的影响,以期为富硒甜樱桃的生产提供理论依据。【方法】以‘美早’甜樱桃为试材,选取亚硒酸钠(Na2SeO3)溶液为硒源,设置0、5、10、20和40 mg·L-1等5个质量浓度水平,于落花后喷施叶片,1周后再喷施1次。【结果】甜樱桃果实和叶片中的硒含量随施硒浓度的增加而递增,重金属镉和铅的含量均有不同程度的降低。叶面喷硒可显著提高甜樱桃叶片和果实中超氧化物岐化酶(SOD)的酶活性,降低丙二醛(MDA)的活性,减少脯氨酸(Pro)的积累。果实维生素C含量增加、可滴定酸含量降低、果实品质改善。【结论】叶面施硒可以提高甜樱桃果实品质,降低部分重金属的含量。

关键词(KeyWords)： 甜樱桃;硒;叶面喷施;果实品质;重金属

Abstract:

Keywords:

基金项目(Foundation): 河南省科技厅基础与前沿项目“甜樱桃内参基因的筛选与MADS-Box基因的克隆及表达分析”(152300410074);; 河南省果树瓜类生物学重点实验室研究基金

作者(Author): 戚霄晨;简在海;张琦;宋尚伟;

Email:

DOI: 10.13925/j.cnki.gsxb.20180505

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