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不同品种和种植密度对新疆棉花蒸腾速率的影响.

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Title: 不同品种和种植密度对新疆棉花蒸腾速率的影响.
Alternate Title: Different Varieties and Planting Densities Influence on the Transpiration Rate of Xinjiang Cotton.
Authors: 赵鸣泽1 lj880902@126.com, 张泽山2, 王雪姣3,4, 宋延鸿1, 孙 帅3, 胡艳萍1, 帕尔哈提·买买提5 lj880902@126.com, 张立祯2,5, 巴特尔·巴克1 baturbake@xjau.edu.cn, 李 杰5
Source: Chinese Journal of Agrometeorology. Nov2024, Vol. 45 Issue 11, p1357-1368. 12p.
Subject Terms: *CULTIVARS, *PLANT transpiration, *PLANT spacing, *SEED yield, *WATER consumption, *COTTON
Abstract (English): To study the impact of different varieties and planting densities on the transpiration rate of cotton in Xinjiang, a field experiment was conducted in 2022 in Wulanwusu, Xinjiang. Three cotton varieties (' Zhongmian 979' ' Zhongmian 703' and 'Guoxin cotton' ) and two planting densities (D1:22 plants·m−2 ; D2:11 plants·m−2 ) were establish for treatment. The transpiration rate was measured using a heat ratio stem flow meter, and the differences in daily average transpiration, daily transpiration change, and cumulative transpiration of cotton under different weather conditions (sunny, rainy) and time scales were compared to clarify the water consumption rules of cotton under different varieties and densities in northern Xinjiang. The results showed that: (1) planting density had a significant impact on the cumulative and daily transpiration rates of cotton population. The cumulative and daily transpiration rates of cotton increased significantly under D1 planting density. Under D1 planting density treatment, the cumulative and daily transpiration rates of three varieties were significantly higher than those under D2 planting density treatment (an average increase of 51.2%). (2) Cotton varieties had a significant impact on individual and group transpiration, with' Zhongmian 703' higher stem flow rate, daily transpiration rate, and cumulative transpiration than other varieties. (3) The transpiration of a single cotton plant showed a "几" shaped variation pattern on a daily scale. During the day (9: 00−21: 00), the transpiration was relatively stable, but there was still a slight stem flow at night due to root pressure. (4) The transpiration rate and amount of cotton decreased month by month from July to September. The daily transpiration curve of cotton in September gradually transitioned to a unimodal pattern, and the daytime transpiration starts later (10: 00) and ends earlier (20：00). (5) Accumulated transpiration had a positive correlation with both seed cotton yield and average leaf area, but it was not significant. [ABSTRACT FROM AUTHOR]
Abstract (Chinese): 2022 年在新疆乌兰乌苏开展大田试验，设置 3 个棉花品种 (‘中棉 979’、‘中棉 703’和‘国欣棉’) 和 2 个种植密度 (D1: 22 株·m−2; D2: 11 株·m−2 ) 处理，利用热比率法茎流仪测定蒸腾，对比不同天气条 件 (晴天、雨天) 和时间尺度下棉花日均蒸腾量、日蒸腾变化和累计蒸腾的差异，明确北疆地区不同品种、 密度下棉花耗水规律。结果表明: (1) 种植密度对群体棉花累计蒸腾和日蒸腾速率影响显著，D1 种植密度下 棉花累计蒸腾和日蒸腾显著提高，3 个品种 D1 种植密度处理下累计蒸腾、日蒸腾速率显著高于 D2 种植密度 处理 (平均高 51.2%) 。 (2) 棉花品种对单株和群体蒸腾有显著影响，‘中棉 703’茎流速率、日蒸腾速率 和累计蒸腾高于其他品种。 (3) 单株棉花蒸腾在日尺度上呈“几”字型变化规律，白天 (9: 00−21: 00) 日蒸 腾较稳定，夜间由于根压作用仍存在少许茎流； (4) 7−9 月棉花蒸腾速率和蒸腾量逐月递减，9 月棉花日蒸 腾曲线逐步向单峰型转变，且白天蒸腾开始时间较晚 (10: 00) ，结束较早 (20: 00) 。 (5) 累计蒸腾与籽棉 产量和平均叶面积未呈现显著相关关系。 [ABSTRACT FROM AUTHOR]
Copyright of Chinese Journal of Agrometeorology is the property of Editorial Board of Chinese Journal of Agrometeorology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: 不同品种和种植密度对新疆棉花蒸腾速率的影响.
– Name: TitleAlt
  Label: Alternate Title
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  Data: Different Varieties and Planting Densities Influence on the Transpiration Rate of Xinjiang Cotton.
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  Data: <searchLink fieldCode="AR" term="%22赵鸣泽%22">赵鸣泽</searchLink><relatesTo>1</relatesTo><i> lj880902@126.com</i><br /><searchLink fieldCode="AR" term="%22张泽山%22">张泽山</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22王雪姣%22">王雪姣</searchLink><relatesTo>3,4</relatesTo><br /><searchLink fieldCode="AR" term="%22宋延鸿%22">宋延鸿</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22孙+帅%22">孙 帅</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22胡艳萍%22">胡艳萍</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22帕尔哈提·买买提%22">帕尔哈提·买买提</searchLink><relatesTo>5</relatesTo><i> lj880902@126.com</i><br /><searchLink fieldCode="AR" term="%22张立祯%22">张立祯</searchLink><relatesTo>2,5</relatesTo><br /><searchLink fieldCode="AR" term="%22巴特尔·巴克%22">巴特尔·巴克</searchLink><relatesTo>1</relatesTo><i> baturbake@xjau.edu.cn</i><br /><searchLink fieldCode="AR" term="%22李+杰%22">李 杰</searchLink><relatesTo>5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Chinese+Journal+of+Agrometeorology%22">Chinese Journal of Agrometeorology</searchLink>. Nov2024, Vol. 45 Issue 11, p1357-1368. 12p.
– Name: Subject
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  Data: *<searchLink fieldCode="DE" term="%22CULTIVARS%22">CULTIVARS</searchLink><br />*<searchLink fieldCode="DE" term="%22PLANT+transpiration%22">PLANT transpiration</searchLink><br />*<searchLink fieldCode="DE" term="%22PLANT+spacing%22">PLANT spacing</searchLink><br />*<searchLink fieldCode="DE" term="%22SEED+yield%22">SEED yield</searchLink><br />*<searchLink fieldCode="DE" term="%22WATER+consumption%22">WATER consumption</searchLink><br />*<searchLink fieldCode="DE" term="%22COTTON%22">COTTON</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: To study the impact of different varieties and planting densities on the transpiration rate of cotton in Xinjiang, a field experiment was conducted in 2022 in Wulanwusu, Xinjiang. Three cotton varieties (' Zhongmian 979' ' Zhongmian 703' and 'Guoxin cotton' ) and two planting densities (D1:22 plants·m−2 ; D2:11 plants·m−2 ) were establish for treatment. The transpiration rate was measured using a heat ratio stem flow meter, and the differences in daily average transpiration, daily transpiration change, and cumulative transpiration of cotton under different weather conditions (sunny, rainy) and time scales were compared to clarify the water consumption rules of cotton under different varieties and densities in northern Xinjiang. The results showed that: (1) planting density had a significant impact on the cumulative and daily transpiration rates of cotton population. The cumulative and daily transpiration rates of cotton increased significantly under D1 planting density. Under D1 planting density treatment, the cumulative and daily transpiration rates of three varieties were significantly higher than those under D2 planting density treatment (an average increase of 51.2%). (2) Cotton varieties had a significant impact on individual and group transpiration, with' Zhongmian 703' higher stem flow rate, daily transpiration rate, and cumulative transpiration than other varieties. (3) The transpiration of a single cotton plant showed a "几" shaped variation pattern on a daily scale. During the day (9: 00−21: 00), the transpiration was relatively stable, but there was still a slight stem flow at night due to root pressure. (4) The transpiration rate and amount of cotton decreased month by month from July to September. The daily transpiration curve of cotton in September gradually transitioned to a unimodal pattern, and the daytime transpiration starts later (10: 00) and ends earlier (20：00). (5) Accumulated transpiration had a positive correlation with both seed cotton yield and average leaf area, but it was not significant. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Chinese)
  Group: Ab
  Data: 2022 年在新疆乌兰乌苏开展大田试验，设置 3 个棉花品种 (‘中棉 979’、‘中棉 703’和‘国欣棉’) 和 2 个种植密度 (D1: 22 株·m−2; D2: 11 株·m−2 ) 处理，利用热比率法茎流仪测定蒸腾，对比不同天气条 件 (晴天、雨天) 和时间尺度下棉花日均蒸腾量、日蒸腾变化和累计蒸腾的差异，明确北疆地区不同品种、 密度下棉花耗水规律。结果表明: (1) 种植密度对群体棉花累计蒸腾和日蒸腾速率影响显著，D1 种植密度下 棉花累计蒸腾和日蒸腾显著提高，3 个品种 D1 种植密度处理下累计蒸腾、日蒸腾速率显著高于 D2 种植密度 处理 (平均高 51.2%) 。 (2) 棉花品种对单株和群体蒸腾有显著影响，‘中棉 703’茎流速率、日蒸腾速率 和累计蒸腾高于其他品种。 (3) 单株棉花蒸腾在日尺度上呈“几”字型变化规律，白天 (9: 00−21: 00) 日蒸 腾较稳定，夜间由于根压作用仍存在少许茎流； (4) 7−9 月棉花蒸腾速率和蒸腾量逐月递减，9 月棉花日蒸 腾曲线逐步向单峰型转变，且白天蒸腾开始时间较晚 (10: 00) ，结束较早 (20: 00) 。 (5) 累计蒸腾与籽棉 产量和平均叶面积未呈现显著相关关系。 [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Chinese Journal of Agrometeorology is the property of Editorial Board of Chinese Journal of Agrometeorology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3969/j.issn.1000-6362.2024.11.010
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      – Code: chi
        Text: Chinese
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        PageCount: 12
        StartPage: 1357
    Subjects:
      – SubjectFull: CULTIVARS
        Type: general
      – SubjectFull: PLANT transpiration
        Type: general
      – SubjectFull: PLANT spacing
        Type: general
      – SubjectFull: SEED yield
        Type: general
      – SubjectFull: WATER consumption
        Type: general
      – SubjectFull: COTTON
        Type: general
    Titles:
      – TitleFull: 不同品种和种植密度对新疆棉花蒸腾速率的影响.
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            – D: 01
              M: 11
              Text: Nov2024
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              Y: 2024
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