Title: Allelopathy of Trifolium repense L. Exudates on Five Turfgrass Types
Abstract: In order to probe the impact of Trifolium repens L.root exudate in the process of invading turfgrass,the effects of different levels of Trifolium repens L.root exudate on the seeds and plants of Lolium perenne L.,Festuca rubra L.,Festuca arundinacea Schreb.,Poa pratensis L.,Agrostis stolonifera L.were studied with indoor bio-assay.Results showed that root exudates containing phenolics improved seed germination and plant height of tested turfgrass in low levels(0.002 g·mL-1),whereas inhibited in high levels(0.05 g·mL-1)(P0.05).The root exudate prominently decreased the plant root length,but had different impacts on the dry and fresh weight of receptors due to the variant turfgrass species.The root exudate affected the five tested turfgrass to variable extent and the sensitive order was Festuca rubra L.Festuca arundinacea Schreb.Poa pratensis L.Lolium perenne L.Agrostis stolonifera L..This research showed that the root exudate of Trifolium repens L.had the allelopathy effect on the five turfgrass types as well as it is one reason why Trifolium repens L.invaded the turfgrass.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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