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当前位置: 首页 > 文章 > 不同光照强度对鼓槌石斛生长特性和化学成分的影响 北方园艺 2015 (23) 155-159
Position: Home > Articles > Effect of Different Light Intensity on the Growth Characteristics and Chemical Constituents of Dendrobium chrysotoxum Lindl Northern Horticulture 2015 (23) 155-159

不同光照强度对鼓槌石斛生长特性和化学成分的影响

作  者：
龚庆芳;黄宁珍;何金祥;周浩
单  位：
广西壮族自治区中国科学院广西植物研究所
关键词：
鼓槌石斛;光照强度;生长特性;化学成分
摘  要：
以鼓槌石斛为试材,利用人工调节遮阳网的层数和高度形成不同的光照环境种植鼓槌石斛,试验6个月后,测定鼓槌石斛茎粗、株高等生长指标和氨基酸、多糖、毛兰素、总酚等有效成分含量。结果表明:在透光率50%的光照条件下,鼓槌石斛的茎增粗最明显,株高增长率最快;不同光照条件的鼓槌石斛中所含的氨基酸含量、多糖、毛兰素、总酚含量有显著差异。其中,在7月,透光率仅为10%的条件下,鼓槌石斛中总酚、毛兰素含量最高,分别为0.945%、0.164 4%;在11月,透光率50%的遮荫条件下,多糖含量成分最高为6.388%。遮荫对鼓槌石斛的生长特性、多糖、总酚、毛兰素有显著影响。
译  名：
Effect of Different Light Intensity on the Growth Characteristics and Chemical Constituents of Dendrobium chrysotoxum Lindl
作  者：
GONG Qingfang;HUANG Ningzhen;HE Jinxiang;ZHOU Hao;Guangxi Institute of Botany,Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences;
关键词：
Dendrobium chrysotoxum Lindl;;light intensity;;growth characteristics;;chemical constituent
摘  要：
Taking Dendrobium chrysotoxum as test material,the effect of different light intensity on the growth characteristics and the effective components of D.chrysotoxum were investigated.When D.chrysotoxum were grown under different light intensity by artificial shading with regulation shading network layer and height in six months,D.chrysotoxumgrowth index were determinated and collected to measure growth characteristics,amino acid polysaccharide,erianin and total phenolic content.The results showed that,at the light transmittance of 50%,D.chrysotoxumLindl stem was the thickest,height growth rate was the fastest.Effect of different light intensity on chemical constituents of D.chrysotoxum was significant.In July,the content of total phenolic,erianin of D.chrysotoxum was the highest at light transmittance of 10%,were 0.945%,0.164 4%,respectively.In November,at light transmittance of 50%,polysaccharides content was the highest,up to 6.388%.Effect of different light intensity on growth characteristics,amino acid,polysaccharide,total phenols,erianin of D.chrysotoxum was significant.

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