海拔与定植密度对宜昌市东当归生长和产量的影响  

Effects of altitude and planting density on growth and yield of Angelica acutiloba in Yichang City

作　　者：杨迎春 李云飞 姚玉玲 李念祖 费甫华 杨昊 李蓉芳 YANG Ying-chun;LI Yun-fei;YAO Yu-ling;LI Nian-zu;FEI Fu-hua;YANG Hao;LI Rong-fang(Yichang Academy of Agricultural Sciences,Yichang 443004,Hubei,China;Pingcun Zhongying(Hubei)Pharmaceutical Co.,Ltd.,Yichang 443100,Hubei,China)

机构地区：[1]宜昌市农业科学研究院,湖北宜昌443004 [2]平村众赢(湖北)药业有限公司,湖北宜昌443100

出　　处：《湖北农业科学》2023年第10期91-94,共4页Hubei Agricultural Sciences

基　　金：湖北省农业科技创新中心2020年重大科技研发专项(2020-620-000-002-04)。

摘　　要：研究海拔与定植密度对湖北省宜昌市东当归[Angelica acutiloba(Sieb.et Zucc.)Kitagawa]生长和产量的影响。设置2个海拔水平(600 m、1100 m)和3个定植密度水平(30 cm×40 cm、35 cm×40 cm、40 cm×40 cm)处理,测定东当归不同时期地上部分主要农艺性状指标和采收期主要产量指标。结果表明,600 m海拔、35 cm×40 cm定植密度处理下,东当归生长旺盛期株高最高(14.80 cm),茎秆数较多(5.20个);1100 m海拔、35 cm×40 cm和40 cm×40 cm定植密度处理下,根膨大期株高较高,分别为42.75、42.65 cm;1100 m海拔下的3个处理和600 m海拔、40 cm×40 cm定植密度处理下单株鲜根重较大,为218.33~265.26 g;1100 m海拔、30 cm×40 cm和35 cm×40 cm定植密度处理下,折合鲜根产量较大,分别为15157.83、16725.66 kg/hm2;单株鲜根重和折合鲜根产量均与生长旺盛期茎秆数之间呈显著负相关关系,相关系数分别为-0.868和-0.820。综上所述,600 m海拔种植有利于东当归生长旺盛期生长;1100 m海拔种植有利于增加地上部分养分积累、提高单株重量和总产量;35 cm×40 cm和40 cm×40 cm密度定植有利于东当归地上部分生长,30 cm×40 cm密度定植有利于提高总产量;宜昌市适宜在1100 m海拔、30 cm×40 cm定植密度条件下种植东当归,单株重量和总产量均较高。To study the effects of altitude and planting density on growth and yield of Angelica acutiloba in Yichang city,Hubei Province,two altitude levels(600 m and 1100 m)and three planting density levels(30 cm×40 cm,35 cm×40 cm,40 cm×40 cm)were set up,and the main agronomic characters of aboveground part in different periods and the main yield index in the harvest period of Angelica acutiloba were determined.The results showed that under the 600 m altitude and 35 cm×40 cm planting density treatment,the plant height of Angelica acutiloba in the vigorous growth period was the highest(14.80 cm),and the number of stems was more(5.20)at the peak growth stage.Under the 1100 m altitude and 35 cm×40 cm or 40 cm×40 cm planting density,the plant height was higher in the root swelling stage,which was 42.75、42.65 cm,respectively.Under the three treatments at 1100 m altitude and one treatment with the planting density of 40 cm×40 cm under the 600 m altitude,the fresh root weight per plant was higher,which was 218.33~265.26 g.Under 1100 m altitude and 30 cm×40 cm or 35 cm×40 cm planting density,the yields of fresh roots were higher,which were 15157.83,16725.66 kg/hm2,respectively.Both fresh root weight per plant and equivalent fresh root yield had a significant negative correlation with the number of stems in the peak growth period,and the correlation coefficients were-0.868 and-0.820,respectively.In conclusion,planting at 600 m altitude was beneficial to the growth of Angelica acutiloba in the vigorous growth period,and planting at 1100 m altitude was beneficial to increase the accumulation of nutrients in the aboveground part and improve the weight per plant and total yield.The planting density of 35 cm×40 cm and 40 cm×40 cm was beneficial to the growth of the aboveground part of Angelica acutiloba,and the planting density of 30 cm×40 cm was beneficial to increase the total yield.It was suitable to plant Angelica acutiloba under the conditions of 1100 m altitude,30 cm×40 cm planting density in Yichang City,and the y

关 键 词：东当归[Angelica acutiloba(Sieb.et Zucc.)Kitagawa] 海拔 定植密度 生长 产量 宜昌市 

分 类 号：S567.239[农业科学—中草药栽培] Q948.2[农业科学—作物学] Q945.45[生物学—植物学]