|Table of Contents|

Optimization of Hight Regeneration System of Photinia×fraseri ‘Red Robin’

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年14
Page:
73-78
Research Field:
Publishing date:

Info

Title:
Optimization of Hight Regeneration System of Photinia×fraseri ‘Red Robin’
Author(s):
XING Jianhong1; 2; HOU Yanxin1; 2; LIN Jiazhi1; 2; HUANG Wenjin1; 2
（1.School of Resources and Chemical Engineering, Sanming University, Sanming, Fujian 365004; 2.Fujian Provincial Key Laboratory of Resources and Environment Monitoring & Sustainable Management and Utilization, Sanming, Fujian 365004)
Keywords:
Photinia×fraseri; industrialized breeding; hormone proportion; transplanting substrate
PACS:
-
DOI:
10.11937/bfyy.20184108
Abstract:
Taking the stem with axillary buds of Photinia×fraseri as explants，the different hormones on the proliferation and rooting were explored by adding different plant hormones in MS medium，and the optimal medium of transplanting was selected by investigation of growth in vitro rooting seedlings transplanted in the different substrate.The results showed that MS+2.0 mg?L-1 6-BA+0.25 mg?L-1 NAA was the best culture medium for axillary bud sprouting，and the induction rate was 76.7%；MS+2.5 mg?L-1 6-BA+0.1 m?L-1 NAA was the best medium for proliferation，and the highest coefficient of propagation reached 5.12 after 35 days；the optimum rooting medium was 1/2MS+0.8 mg?L-1 NAA，the rooting rate reached 90%，and the rooting period was shorter；transplanted in vitro rooting seedlings in the substrate mixed of soil and four pieces of sandy loam，the highest survival rate of transplanting was up to 100%.The industrialized breeding system of Photinia×fraseri was basically established.This tissue culture technology could be provided the reference in rapid propagation of Photinia×fraseri.

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Last Update: 2019-08-12