Dynamic Changes of Nutrient Substance During the Rooting of  Cutting Propagation of Acer buergerianum Miq.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Dynamic Changes of Nutrient Substance During the Rooting of  Cutting Propagation of Acer buergerianum Miq.

Author(s):: XIONG Xianrong1; OU Jing1; ZHANG Ren′ai1; CHEN Mingyang2; (1.College of Forestry，Guizhou University，Guiyang，Guizhou 550025；2.College of Biological Sciences，China University of Geosciences，Wuhan，Hubei 430074)

Abstract:: The branches of Acer buergerianum were used as test materials，which treated by different types and concentrations of auxins，to complete tests of cutting propagation in spring，summer and autumn.The dynamic changes of nutrient substance content of phloem during rooting were researched in cutting test of summer.The results showed that compared with the CK treatment，the treatment with the highest rooting rate（77%）and rooting index(34.28 cm) in summer cutting propagation test was that cutting materials soaked in 100 mg?L-1 NAA and 100 mg?L-1 IBA for three hours(the following was replaced by T2).The trend of dynamic changes of nutrient substance content of T2 and CK were similar，concentration of the soluble sugar had shown ‘down-up-down-up-down’ changings，the soluble starch had shown ‘down-up-down-up’ changings，the soluble protein had shown ‘up-down-up’ changings.T2 had improved the content of soluble sugar and soluble protein in phloems and promoted the degradation and transformation of soluble starch.However，there was no obvious effect of auxins on shortening the breedingcycle of adventitious root occurrence of Acer buergerianum Miq.

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Last Update: 2017-04-18