|Table of Contents|

Effect of LED Different Light Qualities on Proliferation and Growth of Diploid and Tetraploid Bletiua striata in vitro

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年22
Page:
127-133
Research Field:
Publishing date:

Info

Title:
Effect of LED Different Light Qualities on Proliferation and Growth of Diploid and Tetraploid Bletiua striata in vitro
Author(s):
WEN Yonghui1; LI Huimin2; HUANG Haiquan1; WANG Qiong1; MENG Ying3; LI Zhilin4
(1.College of Gardening and Horticulture,Southwest Forestry University,Kunming,Yunnan 650224；2.Flower Research Institute,Yunnan Academy Agricultural Sciences,Kunming,Yunnan 650205；3.Yunnan Ruier Strategic Engineering Cost Consulting Co.Ltd.,Kunming,Yunnan 650021；4.Flower Research Institute,Yunnan Agricultural University,Kunming,Yunnan 650201)
Keywords:
LED; Bletiua striata; tetraploid; diploid; tissue culture
PACS:
-
DOI:
10.11937/bfyy.20191237
Abstract:
Taking diploid and tetraploid of Bletiua striata plantlets as test materials,seven set of LED red,blue,green and white light quality ratio of different combinations,1 set of fluorescent lights as control,growth rate of plantlets were compared.The results showed that Bletiua striata plantlets had the highest proliferation rate under 1RB (red∶blue=1∶1) treatment.Diploid proliferation rate was higher than tetraploid,for 247.62%,157.14%.The 2RB (red∶blue=2∶1) treatment,diploid and tetraploid plantlets had the lowest proliferation rate,for 66.67% and 42.86%.Under the red light,the highest plant height of the diploid and tetraploid plantlets were 40.27 mm and 44.13 mm.The longest diploid and tetraploid leaf length were treated by RBW (red∶blue∶white=6∶1∶1).They are 78.27 mm and 108.73 mm,and the widest leaf width were 10.50 mm and 11.82 mm.Under RBG (red∶blue∶green=4∶2∶1) light treatment,pseudobulbs is maximum for 6.91 mm and 8.31 mm,respectively,which were significantly different from the control group.Therefore,1RB (red∶blue=1∶1) is the best for Bletiua striata diploid and tetraploid proliferation,red light is conducive to Bletiua striata height increase,promote Bletiua striata growth；blue light is good for the growth of cross stem,leaf length and leaf width,RBG (red∶blue∶green=4∶2∶1) treatment of Bletiua striata pseudobulbs increased best.

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Last Update: 2019-12-11