[1]陈晓仪,杨千叶,赵琦.不同光周期对浮萍生长及淀粉积累的影响[J].北方园艺,2017,41(22):50-54.[doi:10.11937/bfyy.20171398]
　CHEN Xiaoyi,YANG Qianye,ZHAO Qi.Effect of Different Photoperiod on the Growth andStarch Accumulation of Duckweed[J].Northern Horticulture,2017,41(22):50-54.[doi:10.11937/bfyy.20171398]
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不同光周期对浮萍生长及淀粉积累的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年22 页码: 50-54 栏目: 出版日期: 2017-11-27
Title:
Effect of Different Photoperiod on the Growth andStarch Accumulation of Duckweed
作者:
陈晓仪; 杨千叶; 赵琦
成都大学 药学与生物工程学院，四川 成都 610106
Author(s):
CHEN Xiaoyi; YANG Qianye; ZHAO Qi
School of Pharmacy and Biological Engineering,Chengdu University,Chengdu,Sichuan 610106
关键词:
浮萍; 淀粉; 生物量; 光周期
Keywords:
duckweed; starch; biomass; photoperiod
DOI:
10.11937/bfyy.20171398
文献标志码:
A
摘要:
以新型能源植物浮萍为试材，采用4种不同光周期处理：12 h光期+12 h暗期(L12/D12)；16 h光期+8 h暗期(L16/D8)；20 h光期+4 h暗期(L20/D4)；24 h光期+0 h暗期(L24/D0)，研究了不同光周期对浮萍生长及淀粉积累的影响。结果表明:延长光照时间可以加快浮萍干物质的积累，以上4个处理其生物量分别为2.93、3.32、3.70、4.39 g；也可促进浮萍淀粉的积累，淀粉含量分别为7.00%、8.64%、14.25%和19.75%。此外，不同光周期会影响叶绿素含量及净光合速率；淀粉代谢关键酶ADPG焦磷酸化酶（AGPase）、可溶性淀粉合成酶（SSS）、α和β淀粉酶(α,β-amylase)的活性均发生变化。综合以上结果得出，在全光照（L24/D0）条件下浮萍干物质和淀粉积累效果最佳。
Abstract:
New energy plant duckweed was used as material,the effects of four different photoperiod treatments on the growth and starch accumulation of duckweed were studied.Four different photoperiod conditions were 12 h light+12 h darkness(L12/D12);16 h light+8 h darkness(L16/D8);20 h light+4 h darkness (L20/D4);24 h light+0 h darkness (L24/D0).The results showed that extending photoperiod could accelerate biomass yield of duckweed,the biomass was 2.93,3.32,3.70,4.39 g,respectively;and increasing the starch accumulation of duckweed,the starch percentage was 7.00%,8.64%,14.25% and 19.75%,respectively.Moreover,different photoperiod could affect chlorophyll content and net photosynthetic rate;the activities of key enzymes AGPase,SSS,α and β-amylase,which involved in starch metabolism were also changed.Based on above analysis,the best optimal photoperiods for biomass and starch accumulation of duckweed was full light L24/D0.

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备注/Memo

第一作者简介：陈晓仪（1990-），女，四川眉山人，硕士研究生，研究方向为药用植物天然产物及食品加工与安全。E-mail:xiaoyichen.cdu@foxmail.com.

责任作者：赵琦(1981-)，男，四川成都人，博士，副教授，硕士生导师，现主要从事药用植物天然产物等研究工作。E-mail:zhaoqi@cdu.edu.cn.
基金项目：成都大学人才引进计划资助项目（2081915053）。
收稿日期：2017-07-10

更新日期/Last Update: 2017-11-22