种植密度对荞麦生理指标、农艺性状及产量的影响  

Effect of Planting Density on Physiological Indices, Agronomic Traits and Yield of Buckwheat

作　　者：常耀军[1,2] 母养秀[3] 张久盘 穆兰海[3] 杜燕萍[3] 常克勤[3] 

机构地区：[1]中国气象局旱区特色农业气象灾害监测预警与风险管理重点实验室,北京100081 [2]宁夏气象防灾减灾重点实验室,宁夏固原756000 [3]宁夏农林科学院固原分院,宁夏固原756000

出　　处：《湖北农业科学》2017年第16期3022-3024,3047,共4页Hubei Agricultural Sciences

基　　金：宁夏自然科学基金项目(NZ15270);国家燕麦荞麦产业技术体系固原综合试验站项目(CARS-08-E-5)

摘　　要：以荞麦(Fagopyrum esculentum Moench.)宁荞1号为试验材料,研究了不同种植密度对荞麦生理指标、农艺性状及产量的影响。结果表明,在干旱条件下,高密度加速了荞麦叶片叶绿素的分解和可溶性蛋白质含量的下降,降低了抗氧化酶SOD、POD、CAT的活性及加速了MDA含量的积累。在干旱条件下,低密度处理有利于荞麦单株粒数、单株粒重、千粒重及产量的增加。Ning Qiao 1 was selected as the material of this experiment to study the effects of planting density on physiologi- cal indices, agronomic traits and yield of buckwheat. The results showed that high density resulted in a decrease of chloro- phyll content, soluble protein content and activity of SOD, POD and CAT, and a speeding up of MDA accumulation under dry condition. Low density could effectively improve the grain number per plant, grain weight per plant, 1000-grain weight and yield in dry condition.

关 键 词：荞麦(Fagopyrum ESCULENTUM Moench.) 种植密度 生理指标 农艺性状 产量 

分 类 号：S517[农业科学—作物学]