[1]木巴热克·阿尤普,杨波,艾沙江·买买提,等. 基于当年生枝木质部解剖结构的扁桃品种栓塞抗性分析[J].西北林学院学报,2021,36(5):99-105.[doi:10.3969/j.issn.1001-7461.2021.05.15]
　AYOUPU Mu-ba-re-ke,YANG Bo,MAIMAITI Ai-sha-jiang,et al. Xylem Embolism Resistance of Different AlmondCultivars Based on the Xylem Anatomical Characteristics of Current-Year Shoot[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(5):99-105.[doi:10.3969/j.issn.1001-7461.2021.05.15]
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 基于当年生枝木质部解剖结构的扁桃品种栓塞抗性分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第5期
页码:
99-105
栏目:
出版日期:
2021-09-30

文章信息/Info

Title:
 Xylem Embolism Resistance of Different AlmondCultivars Based on the Xylem Anatomical Characteristics of Current-Year Shoot
文章编号:
1001-7461(2021)05-0099-07
作者:
 木巴热克·阿尤普; 杨波; 艾沙江·买买提; 龚鹏; 郭春苗*
 （新疆农业科学院 园艺作物研究所，新疆 乌鲁木齐 830011）
Author(s):
 AYOUPU Mu-ba-re-ke; YANG Bo; MAIMAITI Ai-sha-jiang; GONG Peng; GUO Chun-miao*
 (Institute of Horticulture,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,Xinjiang,China)
关键词:
 ; 扁桃; 木质部抗栓塞能力; 木质部解剖结构; 木材密度; 单导管指数
Keywords:
 ; almond;  xylem embolism resistance;  xylem anatomical structure;  wood density;  solitary vessel index
分类号:
S662.1
DOI:
10.3969/j.issn.1001-7461.2021.05.15
文献标志码:
A
摘要:
 以当年生枝木质部解剖结构特征分析扁桃不同栽培品种的抗栓塞能力，可为深入了解扁桃干旱胁迫适应机制提供理论参考。利用光学显微镜解析扁桃当年生枝木质部组织解剖结构特征，通过隶属函数方法对扁桃不同品种的抗栓塞能力进行初步评价。结果表明：1）不同生态类群扁桃品种当年生枝木质部导管直径（D）、导管水力直径（Dh）、导管密度（VD）、单导管指数(Vs)和木材密度（WD）间存在极显著性差异（P<0.01），美国品种当年生枝WD和Vs高于新疆地方品种，而新疆地方品种D和VD极显著大于美国品种（P<0.01）。2）抗栓塞能力由高到低排序为S3>M7>M2>M1>M8>S14>S1>S9>S12，即美国品种的木质部抗栓塞能力高于新疆地方品种（除S3以外）。
Abstract:
 The xylem embolism resistance is one of the important indicators of drought resistance evaluation of woody plants,which is closely related to the anatomical structure of xylem.The embolism resistance abilities of 9 different almond (Amygdalus communis) cultivars were evaluated from the xylem anatomical structure of the current-year shoots to provide a theoretical references for further understanding the adaptation strategies of almond to drought stress environment.The xylem anatomical structures were observed by optical microscopy and the embolism resistance ability was evaluated by the subordinate function method.The results showed that 1) there was significant differences in some xylem anatomical features among different ecological groups (P<0.01),such as vessel diameter（D）,vessel hydraulic diameter（Dh）,vessel density（VD）,solitary vessel index (Vs) and wood density（WD）.The xylem of current-year shoots of American varieties had higher WD and Vs values than those of Xinjiang local varieties (P<0.05); the D and VD values of Xinjiang local varieties were higher than American varieties.2) The order of embolism resistance ability was S3>M7>M2>M1>M8>S14>S1>S9>S12,and it was preliminarily determined that the current-year shoot xylem of American almond varieties had the higher ability of embolism resistance,while Xinjiang local varieties (expect for S3) had the relatively vulnerable xylem of embolism.

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备注/Memo

备注/Memo:
 收稿日期：2020-10-08修回日期：2021-01-13
基金项目：国家自然科学基金（31860538）；新疆维吾尔自治区天山青年计划(2018Q044)；新疆维吾尔自治区公益性科研院所基本科研项目（KY2020110）；自治区重点研发项目(2018B01006-4)。
作者简介：木巴热克·阿尤普，博士。研究方向：果树逆境生理生态。E-mail:mubarek@ms.xjb.ac.cn
*通信作者：郭春苗，副研究员。研究方向：扁桃栽培生理与种质创新。E-mail:122941600@qq.com
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