Allelopathic effects of Alchornea laxiflora (Benth.) Pax & K Hoffm. leaves on seed germination and seedling growth of tomato

被引：1
作者：
Osineye, S. O. [1 ]
Oloyede, H. O. B. [2 ]
Uthman, T. O. [3 ]
机构：
[1] Fountain Univ, Fac Nat & Appl Sci, Dept Chem Sci, Osogbo, Nigeria
[2] Univ Ilorin, Fac Life Sci, Dept Biochem, Ilorin, Nigeria
[3] Nile Univ Nigeria, Fac Nat & Appl Sci, Dept Biochem, Abuja, Nigeria
来源：
ALLELOPATHY JOURNAL | 2021年 / 54卷 / 01期
关键词：
Alchornea laxiflora; allelochemicals; aqueous; bio-herbicides; enzymes; extract; leaves; seeds germination; seedlings growth; quercetin; rutin; Solanum lycopersicum; solvent; tomato; toxicity; ANTIOXIDANT ACTIVITY; PHYTOTOXICITY; HERBICIDE; EXTRACT; PLANT; WEED;
D O I：
10.26651/allelo.j/2021-54-1-1348
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
We investigated in petri plates bioassay and pot culture the allelopathic effects of Alchornea laxiflora (Benth.) Pax & K Hoffm. on seed germination and seedling growth of tomato (Solanum lycopersicum L.). Tomato seeds were grown in soil in pots watered with 0.02 %, 0.04 % and 0.08 % of aqueous leaf extracts of Alchornea laxiflora and atrazine. For the control, only water was used. Subsequently, effects of n-butanol and ethyl acetate fractions of extract were tested on germination and growth of tomato seeds in laboratory assays. Increasing concentration of extracts significantly reduced the seed germination and growth of tomato seedlings. The effects of applied extracts significantly (p < 0.05) reduced the activities of antioxidant enzymes but increased lipid peroxidation in tomato plants. The effects of ethyl acetate fraction were similar to control (water). These results showed that Alchornea laxiflora ethyl acetate fraction eluents C and D were identified as rutin and quercetrin, these compounds inhibited the germination and seedling growth of tomato. Hence, these compounds may be developed as herbicides to control weeds.
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页码：61 / 71
页数：11
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