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首页> 外文期刊>Scientia horticulturae >Fruit yield and quality response of Newhall navel orange to different irrigation regimes and ground cover in Chongqing Three Gorges Reservoir area
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Fruit yield and quality response of Newhall navel orange to different irrigation regimes and ground cover in Chongqing Three Gorges Reservoir area

机译：纽霍尔脐橙与重庆三峡库区不同灌溉制度和地面封面的果实产量和质量响应

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摘要

In order to reduce unwanted negative effect of frequent rainfall in spring and high-temperature in summer on fruit yield and quality of Newhall navel orange trees in Chongqing Three-Gorges Reservoir area. In this study, the influence of Tyvek(.) nonwoven materials ground cover (TC) and with different irrigation density 110% (ID110), 60% (ID60), and 0 (ID0) of the local evapotranspiration (ETc) on yield and fruit quality were evaluated during three consecutive years (2015-2017) in a commercial Newhall navel orange drip irrigated orchard. During spring frequent rainfall period, all TC treatments had a significant higher in leaf sucrose content and leaf starch content during flower bloom period due to their significantly increased the leaf ACO(2) exchange parameter compared to CK group. As a result, the highest in the number of fruit bearing (FBN) was obtained in TC + ID60 group due to its 84.6% and 13.5% higher the total flower number (TFN) than CK and TC + ID110 groups, respectively. However, the TC+ID110 and TC+ID0 groups had a significantly lower FBN due to their significantly 38.3% and 19.9% rate of dropped flowers (FLDR) compared to TC + ID60 group. During summer high temperature period, the leaf water potential significantly decreased in order: TC + ID110, TC + ID60 and CK, TC+ID0, which resulted in the significant higher ACO(2) and transpiration rate in TC+ID110 and TC + ID60 groups, and significant lower ACO(2) and transpiration rate in TC+ID0 group. Consequently, there was a significant increase of total soluble solids, titratable acid, vitamin C in fruit internal quality and "a", "b", "a/b" value in fruit external quality, and a significant decrease of juice yield in fruit internal quality and fruit shape index, and weight per fruit with increasing water stress as compared to TC+ID110 group. In conclusion, TC + ID60 treatment can reduce the negative effect of frequent rainfall spring and high summer temperatures and improve the fruit yield and quality of Newhall navel oranges.
机译：以减少夏季春季频繁降雨的不良负面影响，夏季夏季果实产量与纽霍尔脐橙水库水库水库区的果实产量和质量。在本研究中，Tyvek（。）非织造材料接地盖（Tc）的影响和不同的灌溉密度110％（ID110），60％（ID60）和0（ID0）的产量和局部蒸散（ETC）和0（ID0）在商业Newhall Navel橙滴灌果园连续三年（2015-2017）中评估了水果质量。在春季频繁的降雨期间，所有TC治疗在花朵造型期间叶片蔗糖含量和叶淀粉含量显着较高，因为与CK组相比，叶ACO（2）交换参数显着增加。结果，由于其84.6％和13.5％，分别比CK和TC + ID110组越高，在TC + ID60组中获得了果实轴承（FBN）的数量。然而，与TC + ID60组相比，TC + ID110和TC + ID0组具有显着降低的FBN，其掉落的花朵（FLDR）的掉落（FLDR）显着较低。在夏季高温期间，叶水电位有序：TC + ID110，TC + ID60和CK，TC + ID0，导致TC + ID110和TC + ID60中显着高的ACO（2）和蒸腾速率群体和TC + ID0组中的显着低于丙焦（2）和蒸腾率。因此，果实外部质量的总可溶性固体，可滴定酸，维生素C和水果外部质量的“A”，“A / B”值的显着增加，以及水果中汁液产量的显着降低与TC + ID110组相比，内部质量和果实形状指数，和水果的重量随着水分胁迫而增加。总之，TC + ID60治疗可以减少频繁降雨春季和高夏季气温的负面影响，提高纽霍尔脐橙的水果产量和质量。

著录项

  • 来源
    《Scientia horticulturae》 |2018年第2018期|共8页
  • 作者

    Yang Qiong; Wang Ya; Jia Xue-mei; Zheng Yong-qiang; He Shao-lan; Deng Lie; Ma Yan-yan; Xie Rang-jin; Yi Shi-lai; Lv Qiang;

  • 作者单位

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

    Southwest Univ Chinese Acad Agr Sci Natl Engn Res Ctr Citrus Technol Citrus Res Inst Chongqing 400712 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 园艺;
  • 关键词

    Newhall navel orange; Ground cover; Deficit irrigation; Fruit quality; Yield;

    机译：Newhall Navel橙;地面封面;赤字灌溉;水果质量;产量;

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