生物资源2025，Vol.47Issue(3)：270-279,10.DOI:10.14188/j.ajsh.20250418001
鄂州梁子湖区鱼腥草种质资源引种综合评价
Comprehensive evaluation of Houttuynia cordata germplasm resources introduced to Liangzihu District of Ezhou
摘要
Abstract
Five wild germplasm resources collected from Yunnan,Guizhou,Sichuan,Hunan and other places,with Changbanpo No.1 variety of Houttuynia cordata in Dangyang City,Hubei Province as the control(CK),were intro-duced to Liangzihu District of Ezhou,and the main agronomic and yield traits including the plant height,stem thickness,branch number,leaf length and leaf width,petiole length,inflorescence length,peduncle length,bract number,yield,number of nodes and node length of the above-and below-ground parts,as well as the moisture content,vitamin C,free amino acids,soluble sugar,soluble protein,crude fat,chlorogenic acid,and flavonoids were comprehensively evaluated.The results showed that the geographical provenances had a significant impact on the agronomic,yield traits,and func-tional component accumulation of Houttuynia cordata.Houttuynia cordata from Zunyi,Guizhou,had excellent growth indicators such as yield,plant height,tillering number,stem thickness,leaf morphology,and inflorescence morphology,as well as quality indicators such as water content,free amino acids,and crude fat in the aboveground parts.The yield of the aboveground parts reached 5.24 kg/m²,which was significantly higher than the control,with an increase of 60.7%.The content of free amino acids reached 4.321 mg/g,with an increase of 102.3%.The resources from Zhaotong,Yun-nan,showed significantly better performance in all nutritional quality traits than those from other producing areas,with a soluble sugar content of 9.089 mg/g,2.27 times that of the control.However,the underground stem from Guanghan,Sichuan,had better medicinal quality,with a flavonoid content of 7.744 mg/g,2.27 times that of the control.The corre-lation analysis showed that plant height was significantly positively correlated with yield(r=0.82),leaf length was ex-tremely significantly positively correlated with leaf width(r=0.99).The water content of the aboveground part was sig-nificantly positively correlated with free amino acids and soluble sugars(r=0.82),and the crude fat of the underground stem was extremely significantly positively correlated with flavonoids(r=0.95).This study clarifies the differences in ag-ronomic,yield,and quality traits of the germplasm resources from six typical planting areas across the country in the Liangzihu District of Ezhou,which can provide a reference for the introduction and development and utilization of Hout-tuynia cordata germplasm in the Jianghan Plain.关键词
鱼腥草/引种/综合评价/性状差异Key words
Houttuynia cordata Thunb/introduction/comprehensive evaluation/phenotypic variation分类
农业科技引用本文复制引用
董先婷,胡中立,王彬,杨赛,肖文韬,刘燕利,鄢姗,吴方华,严守雷,刁英..鄂州梁子湖区鱼腥草种质资源引种综合评价[J].生物资源,2025,47(3):270-279,10.基金项目
武汉轻工大学人才引进科研启动基金(2021RZ099) （2021RZ099）
