草业科学2025，Vol.42Issue(9)：2221-2229,9.DOI:10.11829/j.issn.1001-0629.2024-0845
鸭绿江下游不同生境入侵植物刺果瓜种群果序性状特征比较
Comparison of infructescence traits of Sicyos angulatus populations in different habitats in the lower reaches of the Yalu River,China
摘要
Abstract
Sicyos angulatus is a key invasive weed under strict management in China.Recently,it has shown a rapid spread in the lower reaches of the Yalu River,seriously affecting agricultural production and urban greening.This study examines S.angulatus populations across three habitats:Farmland,roadsides,and residential areas.The differences in S.angulatus infructescence traits are analyzed to explore fruit phenotypic characteristics and biomass allocation response to habitat,using one-way ANOVA and correlation analysis.The results showed:1)The biomass of infructescence and fruits exhibited moderate variation(31.62％～47.66％)across habitats,whereas infructescence length and width showed weak variation(8.34％～10.61％).The variation coefficients of infructescence modules were higher in roadside and residential habitats than in farmland.2)Infructescence length and volume were significantly greater in residential and farmland than in roadsides,while infructescence width decreased sequentially from residential to farmland to roadside habitats.3)Infructescence biomass in residential and farmland habitats was significantly higher than in roadside habitats.Fruit biomass decreased in the order of vegetable fields,residential,and roadside.However,hundred-grain weight in farmland was significantly higher than in residential and roadside habitats.4)Inflorescence volume was significantly and positively correlated with and fruit number,and inflorescence width and length were also positively correlated.Fruit biomass was positively correlated with inflorescence biomass and volume.Significant differences in infructescence traits and biomass characteristics were observed among habitats.These correlations between traits and biomass allocation in reproductive modules of S.angulatus demonstrates resource allocation patterns and adaptation strategies.关键词
刺果瓜/入侵植物/果序/性状Key words
Sicyos angulatus/invasion species/infructescence/traits引用本文复制引用
张梅,丛培东,刘利,李海燕,杨允菲..鸭绿江下游不同生境入侵植物刺果瓜种群果序性状特征比较[J].草业科学,2025,42(9):2221-2229,9.基金项目
辽宁省科技计划联合计划项目(2024JH2/102600128) （2024JH2/102600128）
辽宁省教育厅基本科研项目(JYTMS20230700、LJ212411779043、2024TD004) （JYTMS20230700、LJ212411779043、2024TD004）
