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ACTA HORTICULTURAE SINICA ›› 2010, Vol. 37 ›› Issue (10): 1673-1678.

• Research Notes • Previous Articles     Next Articles

Influence of Trampling Stress on Chlorophyll Fluorescence Characteristics in Four Species of Landscape Ground Covers

CHANG Le1,XIA Yi-ping1,*,LOU Jian-hua2,and CHEN Jing-jue1   

  1. (1Department of Horticulture,College of Agriculture and Biotechnology,Zhejiang University,Hangzhou 310029,China;2Hangzhou Botanical Garden,Hangzhou 310013,China)
  • Received:2010-04-26 Revised:2010-07-05 Online:2010-10-25 Published:2010-10-25
  • Contact: XIA Yi-ping

Abstract: Sedum lineare,Ophiopogon japonicus var. nana,Trachelospermum jasminoides and Euonymus fortunei var. radicans were used to investigate the plant growth and chlorophyll fluorescence characteristics under trampling stress. The results showed that except for Sedum lineare,all the species behavioured well after trampling and in the next year. Under trampling stress,the color of minimal fluorescence(Fo)image got darker,and indicated a decline of chlorophyll content. The value of Fv/Fm was lower than that of untrampled ones. For Trachelospermum jasminoides and Euonymus fortunei var. radicans,qP and ETR were higher than untrampled ones,and NPQ was lower than them. While Sedum lineare and Ophiopogon japonicus var. nana showed different trend. Combined with the indicators,Trachelospermum jasminoides and Euonymus fortunei var. radicans which belonged to lines exhibited better trampling resistance than tufts like Sedum lineare and Ophiopogon japonicus var. nana. The chlorophyll fluorescence characteristics can be used in the assessing of trampling resistance.

Key words: Sedum lineare, Ophiopogon japonicus var. nana, Trachelospermum jasminoides, Euonymus fortunei var. radicans, trampling stress, carbohydrate, chlorophyll fluorescence

CLC Number: