移栽密度对红芪生长发育及药材产量和质量的影响

doi:10.11686/cyxb20140319

草业学报 ›› 2014, Vol. 23 ›› Issue (3): 167-174.DOI: 10.11686/cyxb20140319

移栽密度对红芪生长发育及药材产量和质量的影响

赵锐明¹,孙连虎^1,4,郭凤霞^1,3,*,陈垣²,田生华⁴

1.甘肃农业大学甘肃省作物遗传改良与种质创新重点实验室甘肃农业大学生命科学技术学院,甘肃兰州 730070;
2.甘肃农业大学农学院中草药栽培与鉴定实验室,甘肃兰州 730070;
3.陇西中天药业有限责任公司,甘肃定西 748100;
4.陇南市武都区中药材技术服务中心,甘肃陇南 746000

收稿日期:2013-04-15 出版日期:2014-06-20 发布日期:2014-06-20
通讯作者: E-mail:guofx@gsau.edu.cn
作者简介:赵锐明(1984-),男,云南鹤庆县人,在读博士。E-mail:zhaorm1001@163.com
基金资助:
校企合作红芪GAP基地建设技术研究项目,甘肃省中药材扶持项目红芪新品种选育,甘肃省发改委2012年甘肃省战略性新兴产业创新支撑工程专项红芪全产业链技术研究,全国第四次中药资源普查甘肃(试点)工作(岷县中药资源普查201207002-02,宕昌县中药资源普查2013GSZYZYPC-02),甘肃省科技支撑计划(1204FKCA123)和甘肃农业大学教学研究项目资助

Effects of transplant density on the growth, development, officinale yield and quality of Radix hedysari

ZHAO Rui-ming¹,SUN Lian-hu^1,4,GUO Feng-xia^1,3,CHEN Yuan²,TIAN Sheng-hua⁴

1.Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Life Sciences and Technology, Gansu Agricultural University, Lanzhou 730070, China;
2.Cultivation and Identification Laboratory for Chinese Medical Plants, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China;
3.Longxi Zhongtian Pharmaceutical Co., Ltd, Dingxi 748100, China; Longnan Medical Material Technology Service Center in Wudu District, Longnan 746000, China

Received:2013-04-15 Online:2014-06-20 Published:2014-06-20

摘要/Abstract

摘要： 采用不同移栽密度(行距30 cm,株距10,15,20,25和30 cm)进行红芪栽培,旨在探寻甘肃省地道产区适宜红芪栽培的移栽密度,为规范化生产提供依据。研究结果表明,在行距一定(30 cm)的条件下,随着移栽密度的增大,红芪群体产量显著下降,但药材单根产量和质量均显著提高,株距为25 cm条件下移栽成活率最高,植株生长发育健壮,根茎比最大,主茎较粗,药材个体质量指标最佳,侧根少,主根较长,药材根大,质量优异,较传统移栽株行距30 cm×30 cm药材鲜产量提高14.8%,干药材产量提高22.1%。以上说明甘肃陇南武都区红芪最佳移栽密度株行距为25 cm×30 cm,折合移栽密度为13.3万株/hm²。

Abstract: Radix hedysari plants were cultivated at different transplant densities (30 cm between rows and 10, 15, 20, 25 and 30 cm within rows) to explore the adaptive transplant density for cultivating the plant and to provide evidence for its standardized production in the south of Gansu. When the transplant row distance was 30 cm, the plant population yield reduced significantly with the wider plant spacing, but the officinale yield and quality for the individual plants increased. When the plant spacing was 25 cm, the transplanted plants showed the highest survival rate with strong plants, the highest ratio of roots to shoots, thick main stems, high yield and good quality for the individual plants with fewer side roots, long and big main roots, resulting in good quality of officinale roots. Compared with the 30 cm in row distance (the traditional cultivated density), the officinale yield at a density of 25 cm in row spacing was increased by 14.8% in fresh weight and by 22.1% in dry weight. The above results showed that that 25 cm in row spacing and 30 cm between row distance (25 cm×30 cm), i.e. 133 thousand plants per hectare, is the optimal density for cultivating Radix hedysari in the south of Gansu.

中图分类号:

S567.904

赵锐明,孙连虎,郭凤霞,陈垣,田生华. 移栽密度对红芪生长发育及药材产量和质量的影响[J]. 草业学报, 2014, 23(3): 167-174.

ZHAO Rui-ming,SUN Lian-hu,GUO Feng-xia,CHEN Yuan,TIAN Sheng-hua. Effects of transplant density on the growth, development, officinale yield and quality of Radix hedysari[J]. Acta Prataculturae Sinica, 2014, 23(3): 167-174.

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移栽密度对红芪生长发育及药材产量和质量的影响

Effects of transplant density on the growth, development, officinale yield and quality of Radix hedysari

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