龙眼座果期间叶片矿质营养变化规律的研究  

Study on Change Regularity of Mineral Element of Longan Leaves on Fruit Setting Period

作　　者：江健[1] 沈方科[2] 廖曼玲[2] 

机构地区：[1]广西农业职业技术学院,广西南宁530007 [2]广西大学农学院,广西南宁530005

出　　处：《安徽农业科学》2008年第29期12661-12662,共2页Journal of Anhui Agricultural Sciences

摘　　要：[目的]为了解龙眼座果期间树体对养分的需求状况。[方法]采摘龙眼座果期间叶片,分析其矿质元素含量,探讨龙眼座果期叶片矿质营养变化规律。[结果]龙眼叶片中不同的营养元素在座果期内出现不同的变化规律,在大、中量元素中,N、K的变化最明显,P、Ca、Mg的变化不明显;在微量元素中,Fe的变化最明显,Mn、Cu、Zn、B含量相对稳定。[结论]在龙眼座果期间应适当补充N、K、Fe。[ Objective] The purpose of the research on the nutrient need of longan during fruit-setting was explored through the experiment. [ Method ] The content of mineral elements in longan leaf during the fruit-setting was analyzed to discuss the change of mineral nutrition in leaf. [ Results ] There were different variation principles in different mineral nutrients present in longan leaf. In macro and medium elements, the content of N and K was with the most obvious changes and P, Ca and Mg, not significant; and in trace elements, the content of Fe was with the most obvious variation and Mn, Cu, Zn and B, relative stability. [ Conclusion ] It was necessary to properly add N, K and Fe in the period of longan fruit-setting.

关 键 词：龙眼 座果期 叶片 矿质营养 变化规律 

分 类 号：S667.2[农业科学—果树学]