Influences of Soil Matrix, Hormone and Its Concentrations on Hardwood Cutting Propagation of Lycium Ruthenicum
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    Abstract:

    [Objective] The purposes of this experiment was to clarify soil suitability for Lycium ruthenicum hardwood cutting and to provide technical reference for industrialized production of high quality seeding.[Methods] The annual branches of Lycium ruthenicum were collected in Yongjing County of Gansu Province as experiment materials. These materials were treated by rooting powder(BBT) and naphthylacetic acid(NAA) in different concentration, and then were planted in four kinds of soil matrixs. The survival rates, growth conditions, rooting rates and root system characters were measured and evaluated.[Results] ① Peat soil, loamy soil, sandy soil all could be used for Lycium ruthenicum hardwood cutting. The survival rates of BBT treatment and NAA treatment in different concentration were above 95% and 80% respectively. Sandy saline soil was not suitable for Lycium ruthenicum hardwood cutting. ② Ten weeks later after plantation, new root proliferation was the highest for peat soil, the second was for loam soil and the least was for sandy soil. In sandy soil, the newly proliferated root was observed having rapid growth rate. ③ Length of new shoots increased slowly in the first 5 weeks and then grew quickly. Afterwards, branch growth got obvious equality in size.[Conclusion] In terms of air permeability and root development, the Lycium ruthenicum hardwood cutting in peat soil performed the best. From the perspective of water-retaining property, the normal loam and sandy soil both can provide good conditions for Lycium ruthenicum hardwood cutting, but the sand soil was not suggested to be used for Lycium ruthenicum hardwood cutting due to its low rooting rate.

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谢婷,马瑞,沙小燕,李常乐,姚丽霞,李建军.基质、处理剂及其浓度对黑果枸杞硬枝扦插育苗的影响[J].水土保持通报英文版,2018,38(2):318-322

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History
  • Received:September 20,2017
  • Revised:October 22,2017
  • Adopted:
  • Online: May 17,2018
  • Published: