Introduction and Adaptation Analysis of Landscape Plant Species in Saline Alkali Soil of Daqing
[Objective] The aim was to study introduction and adaptation analysis of landscape plant species in saline alkali soil of Daqing.[Method] Introduction experiment of 30 landscape plant species was carried out in Daqing with the follow-up survey from 2005 to 2012.[Result] The results showed that:the ecological adaptability of the landscape plant species,such as Prunus padus,Rosa davurica,Forsythia suspensa and Phlox paniculata,was poor in Daqing,and these species couldn' t introduced to Daqing as salt-resistant landscape plants.The landscape plant species,such as Euonymus alatus,Caragana microphylla,Acer saccharum,Ulmus pumila,Fraxinus velutina,Lycium barbarum,Prunus triloba and Populus alba could adapt to the local conditions of soil and climate after survived from the introduction and grow up normally,these species could be selected to be the candidate landscape plant species in Daqing.For the Further experiment,some of the 30 tested landscape plant species were move to severe saline-alkali soil,the result showedt hat the growth situation of Euonymus alatus,Ulmus pumila,Prunus triloba and Lycium barbarum was good,these species could introducted as salt-resistant landscape plant of severe saline-alkali soil in Daqing.Some of the species were tested in severe saline-alkali soil,such as Syringa microphylla,Caragana microphylla and Syringa oblata,had been negetive growth.It mainly coursed by re-germination.after their failure to survive from the severe saline-alkali soil,which showed that they could not be selected to be the candidate landscape plant species of severe saline-alkali soil in Daqing.[Conclusion]According to numberous datas and assessment of landscape species introduced in Daqing,these species had been separated into 3 different types,Ⅰ,Ⅱ and Ⅲ.There were 6 landscape species belong to type Ⅰ which succeeded in introduction in Daqing,there were 11 landscape species belong to type Ⅱ which showed a certain adaptability to saline-alkali soil,and there were 13 landscape species belong to type Ⅲ which failed in introduction in Daqing.
国家科技期刊平台
NSTL
万方数据
维普
