[1]巴合提牙尔·克热木,郭靖*,徐业勇,等. 南疆地区2个引种大樱桃品种光合特性对比研究[J].西北林学院学报,2016,31(2):86-91.[doi:10.3969/j.issn.1001-7461.2016.02.15]
　Bahetiyaer·keremu,GUO Jing*,XU Ye-yong,et al. Comparative Studies on Photosynthetic Characteristics of Two Cherry Cultivars in Southern Xinjiang[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(2):86-91.[doi:10.3969/j.issn.1001-7461.2016.02.15]
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 南疆地区2个引种大樱桃品种光合特性对比研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第2期
页码:
86-91
栏目:
出版日期:
2016-03-31

文章信息/Info

Title:
 Comparative Studies on Photosynthetic Characteristics of Two Cherry Cultivars in Southern Xinjiang
文章编号:
1001-7461(2016)02-0086-06
作者:
 巴合提牙尔·克热木1; 郭靖1*; 徐业勇1; 张东亚1; 张志刚1; 2
 （1.新疆林业科学研究院，新疆 乌鲁木齐 830000；2.新疆农业大学 林学与园艺学院，新疆 乌鲁木齐 830052）
Author(s):
 Bahetiyaer·keremu1; GUO Jing1*; XU Ye-yong1; ZHANG Dong-ya1; ZHANG Zhi-gang1; 2
 (1.Xinjiang Academy of Forestry Sciences,Urumqi,Xinjiang 830000,China;2.Forestry and Horticulture College,Xinjiang Agricultural University,Urumqi,Xinjiang 830052,China)
关键词:
 ; 大樱桃; 光合特性; 水分利用效率
Keywords:
 ; cherry cultivar;  photosynthetic characteristic;  water use efficiency
分类号:
S662.5
DOI:
10.3969/j.issn.1001-7461.2016.02.15
文献标志码:
A
摘要:
 在新疆林业科学院佳木试验站，以7~8年生拉宾斯和艳阳为试验材料，利用Li-6400光合作用测定系统对2个樱桃品种（拉宾斯、艳阳）的净光合速率（Pn）、气孔导度(Gs)、胞间CO2的浓度（Ci）、蒸腾速率（Tr）和水分利用效率（WUE）以及光响应曲线6个生理指标的测定分析。结果表明：拉宾斯与艳阳的Pn、Gs均呈极显著差异,Ci、Tr、WUE均无显著差异；拉宾斯的Pn呈“单峰”曲线，艳阳的Pn呈“双峰”曲线，艳阳存在光合“午休”现象；拉宾斯、艳阳的Tr均呈单峰曲线分布，在整个日变化过程中拉宾斯的Tr比艳阳高；2个品种在11:00-13:00、15:00-17:00时，主要受到气孔限制的影响，Pn和Tr均出现下降；19：00-21：00时，随着外界光照辐射减弱，2樱桃品种的Pn和Tr再次出现下降；2种引种大樱桃中拉宾斯较艳阳而言是一种高光合、高蒸腾速率、高气孔导度的品种，且在高光辐射条件下不易发生光抑制，更有利于适应南疆地区高光照的外界环境。
Abstract:
 Photosynthetic characteristics of 7 to 8-year-old seedlings of two cherry cultivars,Lapins and Sunburst in Aksu,Xinjiang were measured by Li-6400 system,including the diurnal change of photosynthetic rate (Pn),stomatal conductance (Gs),intercellular CO2 concentration (Ci),transpiration rate (Tr),water use efficiency (WUE) and the light response curve.Differences between tow cultivars in Pn and Gs were extremely significant,and no significant differences were found in Ci,Tr ,and WUE.A “single peak” Pn curve appeared in Lapins,while the Pn of Sunburst was a “bimodal” curve,the photosynthesis of Sunburst had “midday depression”.Tr of the two cultivars showed single peak curves,while higher Tr was found in Lapins during the day.During 11:00-13:00 and 15:00-17:00,Pn and Tr of the two cultivars decreased due to stomatal limitation.During 19:00-21:00,with the weakening of light radiation,Pn and Tr decreased again.Compared to Sunburst,Lapins is a variety of high photosynthetic,transpiration rate,stomatal conductance,and less prone to photoinhibition under high light irradiation conditions,and it is more suitable in the environment of the southern region in Xinjiang.

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备注/Memo

备注/Memo:
 收稿日期：2015-05-02修回日期：2015-07-18
基金项目：新疆维吾尔自治区公益性科研院所基本科研业务经费资助项目“樱桃品种及砧木引进及筛选评价”。
作者简介：巴合提牙尔·克热木，男，林业工程师，研究方向：经济林育种、栽培及推广。E-mail:648753460@qq.com
*通信作者：郭靖，女，在读博士，研究方向：水土保持及干旱区环境评估。
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