CAJ | 학술논문

为解决生产实践中的连作障碍问题，以韭菜（Allium tuberosum Rottler．ex Spreng．）为供体，以其地上部分的水提液为化感物质，分别以白菜（Brassica chinensis L．）、油菜（Brassica campestris L．）和萝卜（Raphanus sativus L．）种子为受体，采用培养皿滤纸法进行化感试验，测定韭菜的茎叶水提液对油菜、白菜和萝卜幼苗的根长、苗高和鲜重的影响。结果表明：韭菜的地上部分的水提液对油菜、白菜和萝卜种子的萌发及其幼苗生长有明显的化感作用，且不同浓度水提液对蔬菜幼苗生长的影响存在差异，浓度为0．50 g/mL时抑制作用最强。
위해결생산실천중적련작장애문제，이구채（Allium tuberosum Rottler．ex Spreng．）위공체，이기지상부분적수제액위화감물질，분별이백채（Brassica chinensis L．）、유채（Brassica campestris L．）화라복（Raphanus sativus L．）충자위수체，채용배양명려지법진행화감시험，측정구채적경협수제액대유채、백채화라복유묘적근장、묘고화선중적영향。결과표명：구채적지상부분적수제액대유채、백채화라복충자적맹발급기유묘생장유명현적화감작용，차불동농도수제액대소채유묘생장적영향존재차이，농도위0．50 g/mL시억제작용최강。
In order to solve the problem of continuous cropping barrier in production practice,taking Allium tuberosum as the donor,water extract of its aerial parts as allelochemicals and Brassica chinensis , Brassica campestris and Raphanus sativus seeds as the receptor,the effects of water extract of A.tuberosum on root length, seedling height and fresh weight of B.chinensis,B.campestris and R.sativus were studied by filter paper method with culture dish.Results:aerial part water extract had significant allelopathy on seed germination and seedling growth.Difference was observed among different concentrations of water extract (0.10 g/mL,0.25 g/mL,0.50 g/mL).0.5 g/mL had the strongest inhibition effect.Root length of rape seedling of 0.10 g/mL,0.25 g/mL and 0.50 g/mL treatments was reduced by 98.3%,100.0% and 100.0% respectively compared with the control.And that of B.chinensis seedling was reduced by 97.1%,100.0% and 100.0% respectively,and R.sativus was reduced by 72.5%,91.2% and 98.7% separately.