引种杨树无性系的光合特性比较
【目的】比较引种杨树无性系苗期的光合生理特性，为杨树种植区选育和推广优良杨树无性系提供科学依据。【方法】使用Li-6400XT便携式光合仪，测定新疆伊犁地区自然条件下引种的D5-9、D5-20、D5-26、171、174、177和197等7个杨树无性系1年生苗木的光合参数，并与4个本地杨树品种进行比较分析。【结果】7个引种杨树无性系1年生苗木的净光合速率（Pn）日变化均为双峰曲线，并存在明显的光合午休现象；D5-26和171出现光合午休是由于气孔限制的影响，其余无性系不受气孔限制和非气孔限制调控；D5-9和174属高水分利用效率（WUE）、高光能利用效率（LUE）无性系，D5-20和197属中...
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| Published in | 南方农业学报 Vol. 48; no. 10; pp. 1870 - 1877 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
新疆师范大学/新疆干旱区湖泊环境与资源重点实验室,乌鲁木齐830054
2017
新疆师范大学/新疆干旱区湖泊环境与资源重点实验室,乌鲁木齐830054%伊犁州林木良种繁育试验中心,新疆 察布查尔,835311 新疆林业科学院,乌鲁木齐 830000%新疆林业科学院,乌鲁木齐,830000%新疆师范大学 地理科学与旅游学院,乌鲁木齐 830054 新疆师范大学 地理科学与旅游学院,乌鲁木齐 830054 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-1191 |
| DOI | 10.3969/j.issn.2095-1191.2017.10.22 |
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| Abstract | 【目的】比较引种杨树无性系苗期的光合生理特性，为杨树种植区选育和推广优良杨树无性系提供科学依据。【方法】使用Li-6400XT便携式光合仪，测定新疆伊犁地区自然条件下引种的D5-9、D5-20、D5-26、171、174、177和197等7个杨树无性系1年生苗木的光合参数，并与4个本地杨树品种进行比较分析。【结果】7个引种杨树无性系1年生苗木的净光合速率（Pn）日变化均为双峰曲线，并存在明显的光合午休现象；D5-26和171出现光合午休是由于气孔限制的影响，其余无性系不受气孔限制和非气孔限制调控；D5-9和174属高水分利用效率（WUE）、高光能利用效率（LUE）无性系，D5-20和197属中等WUE、中等LUE型无性系；D5-26、171和177属高WUE、低LUE型无性系；不同无性系的Pn分别受光合有效辐射（PAR）、气孔导度（Gs）和蒸腾速率（Tr）不同程度的影响。【结论】杨树无性系D5-9具有较高光合能力，叶面积和生长量等优势明显，更适应伊犁地区的生态环境，可在伊犁地区及与伊犁地区生态环境相似的杨树种植区推广种植。 |
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| AbstractList | 【目的】比较引种杨树无性系苗期的光合生理特性，为杨树种植区选育和推广优良杨树无性系提供科学依据。【方法】使用Li-6400XT便携式光合仪，测定新疆伊犁地区自然条件下引种的D5-9、D5-20、D5-26、171、174、177和197等7个杨树无性系1年生苗木的光合参数，并与4个本地杨树品种进行比较分析。【结果】7个引种杨树无性系1年生苗木的净光合速率（Pn）日变化均为双峰曲线，并存在明显的光合午休现象；D5-26和171出现光合午休是由于气孔限制的影响，其余无性系不受气孔限制和非气孔限制调控；D5-9和174属高水分利用效率（WUE）、高光能利用效率（LUE）无性系，D5-20和197属中等WUE、中等LUE型无性系；D5-26、171和177属高WUE、低LUE型无性系；不同无性系的Pn分别受光合有效辐射（PAR）、气孔导度（Gs）和蒸腾速率（Tr）不同程度的影响。【结论】杨树无性系D5-9具有较高光合能力，叶面积和生长量等优势明显，更适应伊犁地区的生态环境，可在伊犁地区及与伊犁地区生态环境相似的杨树种植区推广种植。 S722.7; [目的]比较引种杨树无性系苗期的光合生理特性,为杨树种植区选育和推广优良杨树无性系提供科学依据.[方法]使用Li-6400XT便携式光合仪,测定新疆伊犁地区自然条件下引种的D5-9、D5-20、D5-26、171、174、177和197等7个杨树无性系1年生苗木的光合参数,并与4个本地杨树品种进行比较分析.[结果]7个引种杨树无性系1年生苗木的净光合速率(Pn)日变化均为双峰曲线,并存在明显的光合午休现象;D5-26和171出现光合午休是由于气孔限制的影响,其余无性系不受气孔限制和非气孔限制调控;D5-9和174属高水分利用效率(WUE)、高光能利用效率(LUE)无性系,D5-20和197属中等WUE、中等LUE型无性系;D5-26、171和177属高WUE、低LUE型无性系;不同无性系的Pn分别受光合有效辐射(PAR)、气孔导度(Gs)和蒸腾速率(Tr)不同程度的影响.[结论]杨树无性系D5-9具有较高光合能力,叶面积和生长量等优势明显,更适应伊犁地区的生态环境,可在伊犁地区及与伊犁地区生态环境相似的杨树种植区推广种植. |
| Abstract_FL | [Objective]This experiment was conducted to compare the photosynthetic characteristics of introduced poplar clones to provide a scientific basis for breeding and promoting excellent poplar clones in poplar planting areas.[Method]Li-6400XT portable photosynthetic system was used to measure the photosynthetic parameters of seven one-year-old introduced poplar clone seedlings including D5-9,D5-9,D5-20,D5-26,171,174,177 and 197 in natural condi-tions in Yili,Xinjiang, and comparative analysis was carried out between them and four local polar varieties.[Result]The diurnal variations of net photosynthetic rate(Pn)for the seven introduced poplar clones all presented double-peak curves. There was obvious midday depression of photosynthesis, which occurred in D5-26 and 171 due to stomatal limitation, while the rest clones were not impacted by stomatal limitation and non-stomatal limitation. D5-9 and 174 were poplar clones of high water use efficiency(WUE)and high light use efficiency(LUE),D5-20 and 197 were of medium WUE and medium LUE,D5-26,171,and 177 were of high WUE and low LUE. Pn of different clones were affected by photosyn-thetically active radiation(PAR),stomatal conductance(Gs)and transpiration(Tr)to different extents.[Conclusion]Poplar clone D5-9 has high photosynthetic ability and advantages in leaf area and growth,making it more suitable for the ecologi-cal environment in Yili. Therefore, cultivation of D5-9 can be promoted in Yili and other poplar planting areas with similar ecological environment as Yili. |
| Author | 夏黎;李宏;程平;夏诗书;武胜利;李素琼;史开奇;古丽娜尔·吐尔孙;郑朝晖 |
| AuthorAffiliation | 新疆师范大学地理科学与旅游学院,乌鲁木齐830054;新疆师范大学/新疆干旱区湖泊环境与资源重点实验室,乌鲁木齐830054;新疆林业科学院,乌鲁木齐830000;伊犁州林木良种繁育试验中心,新疆察布查尔835311 |
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| Author_FL | XIA Li SHI Kai-qi ZHENG Zhao-hui LI Hong CHENG Ping XIA Shi-shu WU Sheng-li LI Su-qiong Gulinaer·Tuersun |
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| DOI | 10.3969/j.issn.2095-1191.2017.10.22 |
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| DocumentTitleAlternate | Comparison on photosynthetic characteristics of introduced poplar clones |
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| Keywords | 光合特性 poplar clone 引种 photosynthetic characteristics 伊犁地区 Yili 杨树无性系 introduction |
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| Notes | 45-1381/S poplar clone;introduction;photosynthetic characteristics;Yili Objective】This experiment was conducted to compare the photosynthetic characteristics of introduced poplar clones to provide a scientific basis for breeding and promoting excellent poplar clones in poplar planting areas.【Method】Li-6400XT portable photosynthetic system was used to measure the photosynthetic parameters of seven oneyear-old introduced poplar clone seedlings including D5-9,D5-9,D5-20,D5-26,171,174,177and197in natural conditions in Yili,Xinjiang,and comparative analysis was carried out between them and four local polar varieties.【Result】The diurnal variations of net photosynthetic rate(Pn)for the seven introduced poplar clones all presented double-peak curves.There was obvious midday depression of photosynthesis,which occurred in D5-26and171due to stomatal limitation,while the rest clones were not impacted by stomatal limitation and non-stomatal limitation.D5-9and174were poplar clones of high water use efficiency(WUE)and high li |
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| PublicationTitle | 南方农业学报 |
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| Publisher | 新疆师范大学/新疆干旱区湖泊环境与资源重点实验室,乌鲁木齐830054 新疆师范大学/新疆干旱区湖泊环境与资源重点实验室,乌鲁木齐830054%伊犁州林木良种繁育试验中心,新疆 察布查尔,835311 新疆林业科学院,乌鲁木齐 830000%新疆林业科学院,乌鲁木齐,830000%新疆师范大学 地理科学与旅游学院,乌鲁木齐 830054 新疆师范大学 地理科学与旅游学院,乌鲁木齐 830054 |
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| Snippet | 【目的】比较引种杨树无性系苗期的光合生理特性，为杨树种植区选育和推广优良杨树无性系提供科学依据。【方法】使用Li-6400XT便携式光合仪，测定新疆伊犁地区自然条件下引种... S722.7; [目的]比较引种杨树无性系苗期的光合生理特性,为杨树种植区选育和推广优良杨树无性系提供科学依据.[方法]使用Li-6400XT便携式光合仪,测定新疆伊犁地区自然条件下... |
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| SubjectTerms | 杨树无性系;引种;光合特性;伊犁地区 |
| Title | 引种杨树无性系的光合特性比较 |
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