GONG Qingfang,HUANG Ningzhen,HE Jinxiang,et al.Effect of Different Light Intensity on the Growth Characteristics and Chemical Constituents of Dendrobium chrysotoxum Lindl[J].Northern Horticulture,2015,39(23):155-159.[doi:10.11937/bfyy.201523044]
不同光照强度对鼓槌石斛生长特性和化学成分的影响
- Title:
- Effect of Different Light Intensity on the Growth Characteristics and Chemical Constituents of Dendrobium chrysotoxum Lindl
- Keywords:
- Dendrobium chrysotoxum Lindl; light intensity; growth characteristics; chemical constituent
- 文献标志码:
- A
- 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。
- Abstract:
- 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.chrysotoxum growth 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.chrysotoxum Lindl 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.
参考文献/References:
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备注/Memo
第一作者简介:龚庆芳(1980-),女,博士,副研究员,现主要从事植物引种栽培与质量评价及生物防治等研究工作。E-mail:qingfang_gong@126.com.责任作者:何金祥(1968-),男,研究员,现主要从事植物引种栽培及生物防治等研究工作。E-mail:hejinxiang@gxib.cn.基金项目:广西自然科学青年基金资助项目(2013GXNSFBA019083);广西重大专项资助项目(桂科重14124002-7);广西科技攻关计划资助项目(桂科攻1346008-5)。