摘要
为探究细果秤锤树化感作用,用细果秤锤树果实的浸提液对白菜种子进行萌发试验。浸提液分别设置为25、50、75、100 g/L 4种浓度梯度,同时以蒸馏水为对照(CK),对白菜种子进行培养,测定其发芽率、发芽势,10 d后测定幼苗茎长、根长、鲜重等指标,并分析细果秤锤树果实浸提液对其生长的影响。结果表明:各浓度梯度的浸提液对白菜种子发芽率影响不显著,但随着浸提液浓度的升高,发芽势显著降低(P<0.05);幼苗生长指标随着浓度升高而呈现不同趋势。其中,白菜根长在各浓度梯度浸提液影响下均表现出抑制作用,且随着浸提液浓度的升高抑制作用越明显;幼苗茎长则随着浸提液浓度升高表现为促进;白菜幼苗鲜重与CK相比无显著差异。
In order to investigate its allelopathy,the fruit extract of Sinojackia macrocarpa fruit was used to germinate Chinese cabbage seeds.Four concentration gradients of 25,50,75 and 100 g/L were set in the extracts.Meanwhile,the seeds of Chinese cabbage were cultured with distilled water as the control,and the germination rate and germination potential were measured.After 10 days,seedling height,root length,fresh weight and other indicators were measured.The effect of fruit extract of Sinojackia macrocarpa on its growth was analyzed.The results showed as follows:extracts of different concentration gradients had no significant effect on the germination rate of Chinese cabbage seeds,but germination potential decreased significantly with the increase of extract concentration(P<0.05);seedling growth showed different trends with increasing concentration.Among them,the root length of Chinese cabbage showed inhibitory effect under different concentration gradient extracts,and the inhibitory effect became more obvious with the increase of extract concentration.The seedling height of Chinese cabbage was promoted with the increase of extract concentration.The fresh weight of Chinese cabbage had no significant difference compared with the control group.
作者
阳艳芳
罗来开
尹明月
台昌锐
童跃伟
赵凯
YANG Yan-fang;LUO Lai-kai;YIN Ming-yue(College of Life Sciences,Anqing Normal University/Province Key Laboratory of the Biodiversity Study and Ecology Conservation in Southwest Anhui,Anqing,Anhui 246133)
出处
《安徽农业科学》
CAS
2024年第4期93-96,102,共5页
Journal of Anhui Agricultural Sciences
基金
皖西南生物多样性和生态保护安徽省重点实验室开放基金项目(2020ZD04)
2020年教育部国家级新农科研究与改革实践项目
国家林业局和草原局调查规划设计院资助课题。
关键词
濒危植物
细果秤锤树
浸提液
化感效应
Endangered plant
Sinojackia microcarpa
Extraction solution
Allelopathy effect
