甘南高寒区白菜型冬油菜适宜密度研究  

Study on Suitable Planting Densities of Winter Brassica rapa in the Gannan Alpine Region

作　　者：朱君 闫春梅 王国平 徐冬丽 胡再青 仇文婷 李风庆 戴彩虹 ZHU Jun;YAN Chunmei;WANG Guoping;XU Dongli;HU Zaiqing;QIU Wenting;LI Fengqing;DAI Caihong(Agricultural Science Research Institute of Gannan Tibetan Autonomous Prefecture,Hezuo Gansu 747000,China)

机构地区：[1]甘南藏族自治州农业科学研究所,甘肃合作747000

出　　处：《寒旱农业科学》2023年第3期223-225,共3页Journal of Cold-Arid Agricultural Sciences

基　　金：甘肃省科技计划民生科技专项-乡村振兴专题(21CX6NP218)。

摘　　要：在甘南开展白菜型冬油菜适宜种植密度试验,为高寒区示范推广冬油菜提供技术支持。设45万、60万、75万、90万、105万株/hm2共5个种植密度,研究种植密度对高寒区冬油菜越冬率、生育期、产量及经济性状的影响。结果表明,5个密度处理的冬油菜均能正常越冬,越冬率随种植密度的增加而降低。密度60万株/hm2的处理表现出良好的群体效应,越冬率为89.7%,性状优良,折合产量最高,为1971 kg/hm2。Experiment on suitable planting densities of winter Brassica rapa in Gannan was conducted to provide technical support for the demonstration and promotion of winter Brassica rapain alpine region.5 planting densities,i.e.450000,600000,750000,900000 and 1050000 plants/ha,were used to study the effects of planting densities on overwintering rate,growth period,yield,and economic traits of alpine winter Brassica rapa.Results showed that overwintering in 5 densities was normal,but the overwintering rate decreased along with the increase of planting density.600000 plants/ha treatment showed ideal population effect which had an overwintering rate of 89.7%and an average yield of 1971 kg/ha with premium quality.

关 键 词：高寒区 白菜型 冬油菜 密度 

分 类 号：S567.239[农业科学—中草药栽培]