title: [Comparative study on physiological and biochemical mechanism between virus-free seedling and common seedling in Chrysanthemum morifolium from Anhui].
abstract: OBJECTIVE
  To compare and explore the physiological and biochemical index of virus-free seedling and common seedling of Chrysanthemum morifolium.
  
  
  METHODS
  Leaves of virus-free seedling and common seedling were cut down and the contents of chlorophyll a and b, MDA, and the activity of SOD, POD, CAT, and the net photosynthetic rate (Pn) were measured.
  
  
  CONCLUSIONS
  The contents of chlorophyll and Pn of virus-free seedling were higher than those of common seedling. But were measured, the contents of MDA and the activity of SOD, POD, CAT related to the physiological resistance were lower than the latter. These could explain the phenomenon of virus-free seedling grow better than the common seedling under the same condition.
authors.affiliation: Department of Biology, Huaibei Coal Industry Teachers' College, Huaibei 235000, China. xuejp2000@yahoo.com.cn
authors.forename: Jian-ping
authors.initials: JP
authors.lastname: Xue
authors.forename: Ai-min
authors.initials: AM
authors.lastname: Zhang
authors.forename: Wei
authors.initials: W
authors.lastname: Sheng
authors.forename: Guo-wang
authors.initials: GW
authors.lastname: Zhang
mesh_terms: D002374:Catalase / Q000032:analysis; D002734:Chlorophyll / Q000032:analysis*; D031202:Chrysanthemum / Q000378:metabolism / Q000502:physiology / Q000821:virology; D008315:Malondialdehyde / Q000032:analysis; D009195:Peroxidase / Q000032:analysis; D010788:Photosynthesis; D018515:Plant Leaves / Q000737:chemistry / Q000502:physiology; D010942:Plant Viruses / Q000472:pathogenicity; D010946:Plants, Medicinal / Q000378:metabolism / Q000502:physiology / Q000821:virology; D036226:Seedlings / Q000737:chemistry / Q000502:physiology; D013482:Superoxide Dismutase / Q000032:analysis
chemical_list: D002734:Chlorophyll; D008315:Malondialdehyde; D002374:Catalase; D009195:Peroxidase; D013482:Superoxide Dismutase