甘肃省宽叶羌活种苗质量分级标准研究
Journal of Traditional Chinese Veterinary Medicine(2021)
Abstract
在甘肃不同生态区域收集宽叶羌活种苗,制定宽叶羌活种苗质量分级标准,为宽叶羌活规范化种植提供理论依据.以宽叶羌活单根鲜重、根粗、根长为评价指标,将收集到的33份宽叶羌活种苗采用K均值聚类法分为3类,根据聚类分析结果和生产实际制定宽叶羌活种苗质量分级标准.结果 显示,甘肃省宽叶羌活种苗划分成3个等级:一级种苗单根鲜质量2.1g≤W<3.0 g,根长19.0 cm≤L<26.0 cm;二级种苗单根鲜质量W≥3.0 g,根长L≥26.0 cm;三级种苗单根鲜质量1.2 g≤W<2.1 g,根长12.0 cm≤L<19.0 cm.建议宽叶羌活移栽种植中将一级种苗作为主要生产用苗.
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