In order to protect and exploit rationally wild flower and grass plant resources in Jiufeng mountain scenic spot of Hebei province,the plants of this area were investigated.

Yanshan,and the result indicated that,there were 192 kinds of wild flowers resources which belonged to 113 genuses of 52 Families in the east section of Mt.

Feasibility of applying ornamental plants in contaminated soil remediation;

Growing responses and hyperaccumulating characteristics of three ornamental plants to Cd-Pb combined pollution;

Responses of seed germination of 8 ornamental plants to petroleum contamination

Application of biotechnology in genetics and breeding of flower plants;

Static experiments of eutrophicated water body treatment of Lingjianxi in Guilin have been carried out by adopting soilless culture of dominant species of Lingjianxi like Alocasia macrorrhiza,Alternanthera philoxeroides and other nine kinds of flower plants including Pyrethrum pulchrum Ledeb,Chlorophytum comosum,Hydrangea macrophylla(Thunb.

In this study,four ornamental plants:Mirabilis jalapa,Celosia argentea,Salvia splendens and Celosia cristata,were used to evaluate effects of sewage sludge amendment on phytoremediation of Mn mine tailings in pot experiments in terms of plant biomass,seedling height,root length,Pb,Cd,Zn,and Mn accumulation in plan tissues.