[1]朱铁霞,王琳,高阳,等.断根对菊芋生长速率和物质积累速率的影响[J].北方园艺,2016,40(21):28-31.[doi:10.11937/bfyy.201621007]
　ZHU Tiexia,WANG Lin,GAO Yang,et al.Effect of Root Cutting on Growth Rate and Matter Accumulation Rate in Helianthus tuberosus L.[J].Northern Horticulture,2016,40(21):28-31.[doi:10.11937/bfyy.201621007]
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断根对菊芋生长速率和物质积累速率的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第40卷 期数: 2016年21 页码: 28-31 栏目: 出版日期: 2016-11-15
Title:
Effect of Root Cutting on Growth Rate and Matter Accumulation Rate in Helianthus tuberosus L.
作者:
朱铁霞1; 王琳1; 高阳1; 门果桃2; 乌日娜1; 高凯1
（1.内蒙古民族大学 农学院，内蒙古 通辽 028043；2.内蒙古自治区农牧业科学院，内蒙古 呼和浩特 010031）
Author(s):
ZHU Tiexia1; WANG Lin1; GAO Yang1; MEN Guotao2; WU Rina1; GAO Kai1
(1.College of Agriculture,Inner Mongolia University for Nationalities，Tongliao,Inner Mongolia 028043；2.Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences，Huhhot,Inner Mongolia 010031)
关键词:
菊芋; 断根; 块茎; 生长速率; 物质积累速率
Keywords:
Helianthus tuberosus L.; root cutting; tuber; growth rate; matter accumulation rate
DOI:
10.11937/bfyy.201621007
文献标志码:
A
摘要:
菊芋（Helianthus tuberosus）块茎作为生物乙醇和菊粉产业的主要原材料，研究提高菊芋块茎生物产量和品质成为学者们关注的热点问题。通过营养期对菊芋进行断根处理，探讨生长速率和各器官物质积累速率对断根的响应情况，以期为菊芋块茎高产栽培提供理论依据。结果表明：断根有效地提高了块茎膨胀高峰期（9月21日至10月20日）的物质积累速率，能够有效地提高块茎产量；叶片、茎秆和花的物质积累速率随着断根时间的延长呈现先增加后降低的变化趋势，其中叶片物质积累速率的升高，也是断根提高菊芋块茎产量的主要原因；重度断根处理（20 cm）条件下菊芋生长速率呈现先增加后降低的变化趋势，其它各断根处理对菊芋生长速率没有显著改变。
Abstract:
As the main raw material for bio-ethanol and inulin industry，how to raise the tuber biological yield and quality become the focus of Helianthus tuberosus research.H.tuberosus strain ‘Red Skin’ was used as material and the effect of root cutting on the growth rate and matter accumulation rate under field condition by root cutting treatment in vegetative growth stage were studied and five root cutting radius(0,20,40，60,80 cm) were treated.The results showed that，the matter accumulation rate was improved by root cutting，and led to the tuber yield increased；it indicated first increasing and then decreasing for matter accumulation of leaf，stem and flower.And leaf matter accumulation rate was improved，which was the main reason for improving tuber yield by root cutting.Growth rate indicated first increased and then decreased under root cutting 20 cm conditions，and there was no significant effect for growth rate of other treatments and control.

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备注/Memo

第一作者简介：朱铁霞（1978-），女，吉林通化人，硕士，讲师，现主要从事草地资源与利用等研究工作。E-mail:zhutiexia@163com.责任作者：高凯（1979-），男，博士，教授，现主要从事牧草（能源草）高产栽培利用等研究工作。E-mail:gaokai555@126.com.基金项目：国家自然科学基金资助项目(31201844,31560672)；内蒙古自治区科技英才支持资助项目；国家国际科技合作专项资助项目（2015DFR31150）。

更新日期/Last Update: 2016-12-21