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Effects of chemical substances on the rapid cultivation of moss crusts in a phytotron from the Loess Plateau, China.
Yang, Yongsheng; Zhang, Li; Chen, Xingfang; Wang, Wen; Bu, Chongfeng; Li, Yingnian; Zhou, Huakun.
Afiliación
  • Yang Y; a The Key Laboratory of Restoration Ecology in Cold Region of Qinghai Province , Northwest Institute of Plateau Biology, Chinese Academy of Sciences , Xining , P. R. China.
  • Zhang L; b Key Laboratory of Adaptation and Evolution of Plateau Biota , Northwest Institute of Plateau Biology, Chinese Academy of Sciences , Xining , P. R. China.
  • Chen X; c Xining Institute of Surveying and Mapping , Xining , P. R. China.
  • Wang W; c Xining Institute of Surveying and Mapping , Xining , P. R. China.
  • Bu C; d State Key Laboratory of Plateau Ecology and Agriculture , Qinghai University , Xining , P. R. China.
  • Li Y; e Institute of Soil and Water Conservation , Northwest A & F University , Shaanxi , P. R. China.
  • Zhou H; f Institute of Soil and Water Conservation , Chinese Academy of Sciences and Ministry of Water Resources , Yangling , P. R. China.
Int J Phytoremediation ; 21(3): 268-278, 2019.
Article en En | MEDLINE | ID: mdl-30648411
In this study, typical moss crusts, which were dominated by the species Didymodon vinealis (Brid.) Zand., were collected from the Loess Plateau and a 65-day cultivation experiment was performed to study the effects of five kinds of nutrient solutions (Knop, Murashige-Skoog (MS), Benecke, Part and Hoagland), two kinds of carbohydrates (glucose and sucrose) and three kinds of plant growth regulators (thidiazuron (TDZ), 6-benzylaminopurine (6-BA) and naphthaleneacetic acid (NAA)) on the coverage, plant density, and plant height of moss crusts. The main conclusions are as follows. (1) All Knop, MS, Benecke, Part and Hoagland nutrient solutions improved the coverage and plant density of moss crusts to different degrees and the promotional effects of the Hoagland nutrient solution were most significant. (2) Glucose and sucrose could promote the formation of moss crusts, but they inhibited the development of moss crusts at concentrations greater than 10 g/L. (3) With an increase in concentration, the effects of TDZ on the development of moss crusts changed from "enhanced" to "inhibited". Regardless of whether the concentration was high or low, 6BA had no significant effects on the growth of moss crusts, and NAA reduced the development of moss crusts. Results suggest that nutrient solutions (e.g. Hoagland), low concentration carbohydrates solutions, and some plant growth regulators (e.g. 1 mg/L TDZ) enhance the development of moss crusts in Loess Plateau under the appropriate environmental conditions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Suelo / Cianobacterias País/Región como asunto: Asia Idioma: En Revista: Int J Phytoremediation Asunto de la revista: BOTANICA / SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Suelo / Cianobacterias País/Región como asunto: Asia Idioma: En Revista: Int J Phytoremediation Asunto de la revista: BOTANICA / SAUDE AMBIENTAL Año: 2019 Tipo del documento: Article Pais de publicación: Estados Unidos