Effects of Six Coumarins on Seed Germination and Seedling Growth of Four Species Plants

doi:10.11733/j.issn.1007-0435.2023.04.034

Acta Agrestia Sinica ›› 2023, Vol. 31 ›› Issue (4): 1254-1263.DOI: 10.11733/j.issn.1007-0435.2023.04.034

Effects of Six Coumarins on Seed Germination and Seedling Growth of Four Species Plants

LI Yan, YANG Yi-hu, HE Yu-chen, CAI Li-rong, ZHOU Xin-xin, YANG Yu-qing, WU Cai-xia

College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, China

Received:2022-11-14 Revised:2023-01-18 Published:2023-04-28

6种香豆素类物质对4种植物种子萌发和幼苗生长的影响

李琰, 杨壹虎, 何宇辰, 蔡丽蓉, 周鑫鑫, 杨雨晴, 邬彩霞

扬州大学动物科学与技术学院, 江苏扬州 225009

通讯作者: 邬彩霞,E-mail:cxwu@yzu.edu.cn
作者简介:李琰(1997-),女,甘肃兰州人,硕士研究生,主要从事香豆素类物质化感应用,E-mail:MZ120201329@yzu.edu.cn;
基金资助:
江苏省重点学科项目(1132030193)；江苏省研究生培养创新工程 (SJCX21_1616)资助

Abstract

Abstract: Coumarins exist widely in nature and have strong weed control potential. The effects of six coumarin aqueous solutions on seed germination and seedling growth were studied by Petri dish bioassay using Lolium perenne,Setaria viridis,Trifolium repens and Portulaca oleracea as receptor materials. The results showed that compared to the control,7-hydroxycoumarin,6-methylcoumarin,4-hydroxycoumarin and simple coumarin could significantly inhibit the seed germination of Lolium perenne,Setaria viridis and Trifolium repens (P＜0.05). The root length of Setaria viridis and Portulaca oleracea treated with 7-hydroxycoumarin and 4-hydroxycoumarin was significantly decreased (P＜0.05). The 6-methylcoumarin and simple coumarin significantly decreased the fresh and dry weight of Setaria viridis and Portulaca. oleracea (P＜0.05). Combined with the functional structure and synthesis level of coumarin compounds,it can be inferred that,simple coumarin,6-methylcoumarin,7-hydroxycoumarin and 4-hydroxycoumarin have a great potential to be developed as coumarin herbicides or herbicide intermediates.

Key words: Hydroxycoumarin, Coumarin derivative, Weed control activity, Bio-sourced herbicide

摘要： 香豆素类物质在自然界中广泛存且具有很强的杂草防除潜力，本试验利用培养皿生物检测法，以多花黑麦草(Lolium perenne)、狗尾草(Setaria viridis)、白三叶(Trifolium repens L.)和马齿苋(Portulaca oleracea)为受体材料，研究了6种香豆素类物质水溶液对植物种子萌发和幼苗生长的影响。结果表明，与对照相比，7-羟基香豆素、6-甲基香豆素、4-羟基香豆素、简单香豆素对黑麦草、狗尾草、白三叶种子的萌发有很强的抑制作用(P＜0.05)；7-羟基香豆素、4-羟基香豆素处理的狗尾草和马齿苋根长显著降低(P＜0.05)；6-甲基香豆素与简单香豆素处理显著降低了狗尾草与马齿苋的鲜重与干重(P＜0.05)。因此，结合香豆素类化合物功能结构与合成水平，推测简单香豆素、6-甲基香豆素、7-羟基香豆素、4-羟基香豆素具有较大潜力开发，可作为除草剂或除草剂中间体。

关键词: 羟基香豆素, 香豆素衍生物, 除草活性, 生物源除草剂

CLC Number:

S471

LI Yan, YANG Yi-hu, HE Yu-chen, CAI Li-rong, ZHOU Xin-xin, YANG Yu-qing, WU Cai-xia. Effects of Six Coumarins on Seed Germination and Seedling Growth of Four Species Plants[J]. Acta Agrestia Sinica, 2023, 31(4): 1254-1263.

李琰, 杨壹虎, 何宇辰, 蔡丽蓉, 周鑫鑫, 杨雨晴, 邬彩霞. 6种香豆素类物质对4种植物种子萌发和幼苗生长的影响[J]. 草地学报, 2023, 31(4): 1254-1263.

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Effects of Six Coumarins on Seed Germination and Seedling Growth of Four Species Plants

6种香豆素类物质对4种植物种子萌发和幼苗生长的影响

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