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Plants screening for roadside slope protection by mixture seeding in Yichang—Changyang section of Shanghai—Chengdu freeway |
Chen Xueping1,Zhang Hongjiang2,Zhang Xiang1,Jiang Yulin1,Li Haifen1,Cao Chuanlin3,Wang Jinjuan3 |
1.China Academy of Transportation Sciences,100029,Beijing;2.College of Soil and Water Conservation,Beijing Forestry University,100083,Beijing;3.Construction Office of West Section of Shanghai-Chengdu Freeway in Hubei Province,445500,Enshi,Hubei:China |
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Abstract Three indices including early growth ability,stress resistance,growth potential were used to evaluate 19 tree plants and 8 herbaceous plants based upon introduce and observation of the experiment plants in Yichang—Changyang section of Shanghai—Chengdu freeway in Hubei Province.Value of subjection was calculated based on classifying analysis,ranking series and comprehensive assessment.Results show that the Indigofera pseudotinctoria have the best performance,Solanum eflexicarpum,Desmodium sinuatum,Cynodon dactylon,Melia azedarach,Robinia pseudoacacia,Lespedeza cunecta,Vitex negundo,Paspalum notatum rank the second,Festuca arundinacea,Eragrostis curvula,Cudrania tricuspidata,Rhus chinensis,Dodonaea viscosa,Senna obtusifolia,Rhamnus utilis,Ailanthus altissima rank the third,Lotus corniculatus,Pterocarya kunth,Kummerrowia stipulacea,Sapiu sebiferum,Eremochloa ophiuroides,Trifolium repens rank the forth,Pinus massoniana rank the poorest;Cajanus cajan,Tephrosia candid and Crotaria assamica grew fast in the seeding year,but nearly all failed survive the winter.
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Received: 20 November 2009
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