冬播和春播育苗对党参苗栽产量和质量的影响

doi:10.11686/cyxb2014437

草业学报 ›› 2015, Vol. 24 ›› Issue (10): 139-148.DOI: 10.11686/cyxb2014437

冬播和春播育苗对党参苗栽产量和质量的影响

赵亚兰¹, 陈垣^{1*, *}, 郭凤霞¹, 郭志军², 刘希全¹

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,甘肃省中药材规范化生产技术创新重点实验室,甘肃省干旱生境作物学重点实验室,农学院,生命科学技术学院,甘肃兰州 730070;
2.陇西中天药业有限责任公司,甘肃省特色药用植物资源保护与关键词:党参;种苗;土壤含水量;产量;质量

出版日期:2015-10-20 发布日期:2015-10-20
通讯作者: *通讯作者Corresponding author. E-mail: cygcx1963@163.com
作者简介:赵亚兰(1987-),女,甘肃定西人,在读硕士。E-mail: 466498366@qq.com
基金资助:
国家科技部科技型中小企业技术创新基金(12C26216206936和10C26216203384),国家科技部富民强县项目(陇西县地道中药材产业开发示范工程),甘肃省定西市道地中药材产业化推广及惠民示范工程(S2013GMC100004),2013年甘肃农业综合开发省直科技推广项目,校企合作(甘肃扶正党参规范化生产GAP基地建设、纹党GAP基地建设和精深加工技术研究),国家药用植物种质资源保存与利用支撑平台的可持续发展(种质收集保存及其数据库建设)和甘肃农业大学教学研究资助

Effects of sowing time on yield and quality of Codonopsis pilosula seedlings

ZHAO Ya-Lan¹, CHEN Yuan^1,*, GUO Feng-Xia¹, GUO Zhi-Jun², LIU Xi-Quan¹

1.Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, Gansu Provincial Key Laboratory of Good Agricultural Production for Traditional Chinese Medicines, Provincial Key Laboratory of Aridland Crop Science, College of Agronomy, College of Life Sciences and Technology, Gansu Agricultural University, Lanzhou 730070, China;
2. Gansu Engineering Laboratory of Resource Reservation and Utilization for Characteristic Medical Plants, Gansu Cultivated Engineering and Technology Research Center of Standardization and Traceability for Characteristic Chinese Medicine, Longxi Zhongtian Pharmaceutical Co., Ltd, Dingxi 748100, China

Online:2015-10-20 Published:2015-10-20

摘要/Abstract

摘要： 在甘肃省陇西县首阳镇对白条党参采用冬播和春播育苗对比试验,通过定期测定土壤含水量、苗栽产量和质量指标,旨在揭示党参冬播和春播育苗效应的差异性,探寻其最佳播种季节,为党参规范化育苗操作提供科学依据。结果表明,陇西县气候条件适宜党参育苗。冬播和春播育苗条件下,党参种子出苗进程变化趋势均呈“S”型曲线,符合Logistic方程,快增期在春播后46~48 d。与春播田相比较,冬播育苗田0~20 cm土层含水量高,党参种子提早6 d出苗,苗栽产量提高47.8%,个体质量优异。春播育苗田出苗率较冬播田提高27.3%,但苗栽个体小,商品性差。以上说明,党参冬播育苗对规避春季干旱具有一定意义,建议党参规范化育苗按比例采用冬播和春播育苗方法,以降低春季遇严重干旱造成的春播种子不发芽的风险。值得注意的是无论是冬播,还是春播进行党参育苗时,播种后均应及时采取保墒措施,以覆盖小麦秸秆为佳。

Abstract: To determine the most appropriate time to plant Codonopsis pilosula, an experiment comparing winter and spring sowing was conducted. Yield and quality of seedlings and soil water content were measured regularly after both sowing times. The results showed that the climatic condition in Longxi County is suitable for cultivating C. pilosula seedlings. Under both winter and spring conditions, the pattern of seedling emergence followed the typical ‘S’ curve which was able to be modelled using a logistic regression. Higher soil moisture in the 0-20 cm soil layer in the winter sown field resulted in seedling emergence 6 days earlier compared with spring sowing and yield was increased by 47.8% with good seedling quality. In contrast, the emergence rate of seedlings in the spring-sowing field was 27.3% greater than winter sown but the seedlings were small and of poor quality. In conclusion, the seedling cultivating sown in winter was of great significance to avoid the spring drought, suggesting that the seedling cultivating methods sown winter and spring should be adopted in proportion in order to reduce the seed ablastemic risk when sown in spring caused by the severe drought tress. It is worth noting that when cultivating the plant seedlings whether sown in winter or spring the keeping-moisture measures should be promptly taken after sowing and the wheat straw is the perfect for the coverage.

赵亚兰, 陈垣, 郭凤霞, 郭志军, 刘希全. 冬播和春播育苗对党参苗栽产量和质量的影响[J]. 草业学报, 2015, 24(10): 139-148.

ZHAO Ya-Lan, CHEN Yuan, GUO Feng-Xia, GUO Zhi-Jun, LIU Xi-Quan. Effects of sowing time on yield and quality of Codonopsis pilosula seedlings[J]. Acta Prataculturae Sinica, 2015, 24(10): 139-148.

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冬播和春播育苗对党参苗栽产量和质量的影响

Effects of sowing time on yield and quality of Codonopsis pilosula seedlings

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