玉露香梨生长期内干物质和氮磷钾元素积累规律分析  

Analysis on the Accumulation of Dry Matter,Nitrogen,Phosphorus and Potassium in the Growth Period of Yuluxiang Pear

作　　者：张晓伟 白牡丹 郝国伟[1] 付宝春 杨盛[1] 王燕平[1] 高鹏 郭黄萍 ZHANG Xiaowei;BAI Mudan;HAO Guowei;FU Baochun;YANG Sheng;WANG Yanping;GAO Peng;GUO Huangping(Institute of Pomology,Shanxi Agricultural University,Taigu 030800,China)

机构地区：[1]山西农业大学果树研究所,山西太谷030800

出　　处：《山西农业科学》2020年第11期1758-1762,共5页Journal of Shanxi Agricultural Sciences

基　　金：山西省农业科学院攻关项目(YGG17029);国家现代农业产业技术体系建设专项资金项目(CARS-28-28)。

摘　　要：为明确玉露香梨生长期内干物质及氮磷钾元素变化规律以优化玉露香梨施肥方案,测定6年生玉露香梨树萌芽期至成熟期内不同器官干物质及氮磷钾元素的积累量。结果表明,生长期内玉露香梨干物质、氮、磷和钾的净积累量分别为4083、34.24、3.09、10.06 g/株,其中,萌芽期至坐果期内玉露香梨干物质、氮、磷和钾的积累量均呈现降低趋势,较萌芽期分别减少1381、2.69、11.07、2.40 g/株;而在坐果期至成熟期大幅升高,较坐果期分别增加5465、36.93、14.16、12.45 g/株,表明该阶段是干物质和养分积累的关键时期。By clearing the change rules of dry matter,nitrogen,phosphorus and potassium in Yuluxiang pear during growth stages to optimize the fertilization scheme,the accumulation of dry matter,nitrogen,phosphorus and potassium in different organs of 10-year-old Yuluxiang pear during budding and mature stage was detected.The results showed that the net accumulation of dry matter,nitrogen,phosphorus and potassium during the development stage was 4083,34.24,3.09,10.06 g/plant,respectively.Compared with budding stage,the accumulations of dry matter,nitrogen,phosphorus and potassium in fruit set stage decreased,which was 1381,2.69,11.07,2.40 g/plant,respectively.However,the levels during fruit set stage to mature stage showed an upward trend and increased to 5465,36.93,14.16,12.45 g/plant,respectively,compared with fruit set stage.These indicates that the stage from fruit set to mature stage is the key period of dry matter and nutrient accumulation.

关 键 词：玉露香梨 干物质 氮 磷 钾 积累量 

分 类 号：S661.201[农业科学—果树学]