title: Effects of lanthanum element on the rooting of loquat plantlet in vitro.
abstract: We investigated the rooting rate, the number of roots, and the state of growth of loquat (Eriobotrya japonica Lindi) plantlet in medium where La(NO3)3 (0.5-100.0 micromol/L) was added 20 d after transplanting. The activity of peroxidase, nitrate reductase, and the fresh weight of roots were determined 44 d after transplanting. The result showed that the optimum concentration of La(NO3)3 (1.0-3.0 micromol/L) in the rooted medium could increase the rate and the fresh weight of rooting, promote the length of root, and increase the activities of peroxidase and nitrate reductase.
authors.affiliation: Department of Biology, Life Sciences College, Suzhou University, Suzhou, People's Republic of China.
authors.forename: Song
authors.initials: S
authors.lastname: Weiping
authors.forename: Hong
authors.initials: H
authors.lastname: Fashui
authors.forename: Wan
authors.initials: W
authors.lastname: Zhigang
mesh_terms: D031983:Eriobotrya / Q000254:growth & development*; D066298:In Vitro Techniques; D007811:Lanthanum / Q000494:pharmacology*; D050901:Nitrate Reductase; D009565:Nitrate Reductases / Q000378:metabolism; D009195:Peroxidase / Q000378:metabolism; D010937:Plant Growth Regulators / Q000494:pharmacology*; D018517:Plant Roots / Q000201:enzymology / Q000254:growth & development*
chemical_list: D010937:Plant Growth Regulators; D007811:Lanthanum; D009195:Peroxidase; D009565:Nitrate Reductases; D050901:Nitrate Reductase