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J Sci Food Agric

Title:		"Effects of potential allelochemicals in a water extract of Abutilon theophrasti Medik. on germination and growth of Glycine max L., Triticum aestivum L., and Zea mays L"
Author(s):		Shi S; Cheng J; Ahmad N; Zhao W; Tian M; Yuan Z; Li C; Zhao C;
Address:		"Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, China. College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, China. Engineering Research Center of Forest Bio-preparation, Ministry of Education, Northeast Forestry University, Harbin, China. Heilongjiang Provincial Key Laboratory of ecological utilization of Forestry-based active substances, Harbin, China. Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan. Hisun Pharmaceutical (Hangzhou) Co., Ltd, Hangzhou, China"
Journal Title:		J Sci Food Agric
Year:		2023
Volume:		20221121
Issue:		4
Page Number:		2155 - 2165
DOI:		10.1002/jsfa.12315
ISSN/ISBN:		1097-0010 (Electronic) 0022-5142 (Linking)
Abstract:		"BACKGROUND: Velvetleaf (Abutilon theophrasti Medik.), primarily a cropland weed, exerts adverse impacts on the productivity of various crops, including soybean (Glycine max L.), wheat (Triticum aestivum L.), and maize (Zea mays L.), by hindering their vegetative growth. However, the interference mechanism of velvetleaf on the three crops remains unclear. RESULTS: The inhibitory effect of velvetleaf water extract on the germination and growth of soybean, wheat, and maize was determined in pot experiments and field trials. Four phenolic acids were identified as allelochemicals: protocatechuic acid (PA), gallic acid (GA), chlorogenic acid (CHA), and vanillic acid (VA). These allelochemicals were detected in different parts (leaves, roots, and stems) of velvetleaf, and in the rhizosphere soil of tested crops over the range of 1.19-556.23 mum kg(-1) . These allelochemicals were administered in approximate concentrations as in velvetleaf roots and rhizosphere soil, and their effects varied with crop species and velvetleaf parts. The allelochemicals generally had low-dose stimulation and high-dose inhibition effects on the growth of soybean, wheat, and maize. Furthermore, the biomass distribution of these crops was affected by allelochemicals in the soil. In field trials, the allelochemicals significantly (P < 0.05) inhibited the growth of all tested crops over the whole growth period, and PA showed a significant (P < 0.05) inhibitory effect on the yield of soybean, wheat, and maize. CONCLUSION: GA, PA, CHA, and VA in velvetleaf aqueous extracts were identified as allelochemicals that play an inhibitory role on three crops. (c) 2022 Society of Chemical Industry"
Keywords:		"*Triticum *Zea mays Soybeans Pheromones/pharmacology Soil Crops, Agricultural Gallic Acid/pharmacology allelochemicals field trials growth phenolic acids velvetleaf;"
Notes:		"MedlineShi, Sen Cheng, Jiabo Ahmad, Naveed Zhao, Wenyan Tian, Mengfei Yuan, Zhanyu Li, Chunying Zhao, Chunjian eng Tree Genetics and Breeding Innovation Team/Heilongjiang Touyan Innovation Team Program/ 2572021DS01/the Fundamental Research Fund for Central Universities/ B20088/111 Project, China/ England 2022/11/13 J Sci Food Agric. 2023 Mar 15; 103(4):2155-2165. doi: 10.1002/jsfa.12315. Epub 2022 Nov 21"