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| Web URL(s): | http://manu40.magtech.com.cn/Jweb_cdxb/CN/article/downloadArticleFile.do?attachType=PDF&id=378
Last checked: 04/22/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Cao, Pu;
Shen, Yi-Xin |
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| Author Affiliation: | College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu Province, China |
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| Title: | Study on allelopathic effects of bermudagrass on five gramineous weeds |
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| Source: | [Cao Di Sue Bao] [Acta Agrestia Sinica]. Vol. 18, No. 3, 2010, p. 452-455. |
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| Publishing Information: | [Beijing, China]: [Zhongguo Xue Shu Qi Kan (Guang Pan Ban) Dian Zi Za Zhi She] |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Allelochemicals; Comparisons; Cynodon dactylon; Digitaria sanguinalis; Echinochloa crusgalli; Eleusine indica; Evaluations; Growth analysis; Lolium multiflorum; Phenolic acids; Poa annua; Weed control
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| Abstract/Contents: | "In order to investigate the allelopathic potential of bermudagrass (Cynodon dactylon Rich.) in weed management,a laboratory bioassay was conducted with Italian ryegrass (Lolium multiflorum Lam.), annual bluegrass (Poa annua L.), common crabgrass (Digitaria sanguinalis (L.) Scop.), barnyardgrass (Echinochloa crusgalli (L.) Beauv.) and goosegrass (Eleusine indica (L.) Gaerth.) as the acceptors. Effects of the aqueous extracts of aboveground part of bermudagrasses on seed germination rate and seeding growth of the acceptors were investigated,and 9 phenolic acids namely protocatechuic, caffeic, salicylic, syringic, ferulic, vanillic, Ρ-coumaric, cinnamonic, and Ρ -hydroxybenzoic acids in the aqueous extracts were quantified by high performance liquid chromatography(HPLC). The results show that the germination and seedling growth of 5 acceptor grasses, especially Italian ryegrass, common crabgrass and goosegrass, were inhibited obviously by applying the aqueous extracts, and inhibition rate by wild bermudagrass was greater than Tif-419 and Tif-328. Vanillic, Ρ-coumaric and ferulic acids were detected in all of the water extracts of 4 bermudagrasses, and the protocatechuic, caffeic, salicylic, syringic, Ρ-hydroxybenzoic, a cinnamonic aids were only detected in some of the aquesous extracts of the bermudagrass materials. Compared with other phenolic acids, concentration of protocatechuic acid in the aqueous extract was highest, and the change of protocatechuic acid concentration was consistent with the inhibition of the aqueous extracts on seed germination rate and seeding growth of the acceptors. Therefore, protocatechuic acid might be the most effective phenolic acid in bermudagrass on the inhibition of seed germination and seeding growth of acceptor grasses." |
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| Language: | Chinese |
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| References: | 17 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cao, P., and Y.-X. Shen. 2010. Study on allelopathic effects of bermudagrass on five gramineous weeds. (In Chinese) [Cao Di Sue Bao] [Acta Agrestia Sinica]. 18(3):p. 452-455. |
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Last checked: 04/22/2016
Requires: PDF Reader |
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