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首页> 外文期刊>Acta Horticulturae >Influence of bud quality and wood age on fruit set and alternate bearing in 'Conference' pear [Pyrus communis1.)
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Influence of bud quality and wood age on fruit set and alternate bearing in 'Conference' pear [Pyrus communis1.)

机译：“会议”梨[Pyrus Communis1的水果套装和替补轴承的影响

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摘要

Flower bud quality on a pear tree, in terms of ability of the flowers to set fruit, isusually assessed through the characteristics of the leaves (leaf area at full bloom stage) or flowers (number and weight) in the bud. These measurements, despite being very informative, are destructive, time-consuming and can be obtained during a short period, which restricts their application on the field due to practical and economic consideration. The objectives of this study were i) to evaluate the suitability of spur size measurements as estimators for bud quality, ii) evaluate the influence of budquality and wood age on fruit set, alternate bearing and yield on a whole-tree basis and iii) to develop a methodology to integrate bud quality and wood age as factors in our previous model for the estimation of potential yields in pear. A set of experiments were conducted between 2009 and 2015 in commercial pear orchards placed in mid-Ebro Valley (Spain). Strong relationships (p<0.001) were found between spur cross sectional area and spur leaf area, flower weight, fruit set and yield. On a whole-treebasis, fruit set and alternate bearing were strongly influenced by mean spur size and wood age, regardless of other factors. Finally, mean tree spur size and wood age of the spurs were closely related to the productive potential of the tree, so they could be used as correction factors in the estimation of pear potential yields.
机译：在梨树上的花蕾质量，在花的能力方面，落实果实，通过叶子（叶面积阶段的叶子面积）或芽（数量和重量）进行评估。这些测量尽管是非常有信息，但在短时间内可以获得破坏性，耗时，并且由于实际和经济考虑而在该领域的应用限制了它们的应用。本研究的目的是i）评估PREC尺寸测量的适用性作为BUD质量的估算，II）评估面前和木龄对水果套餐，交替轴承和产量的影响，以全年的基础和III的影响开发一种方法，将芽质量和木龄作为我们之前模型的因素，以估计梨潜在产量。在埃布罗河谷中谷（西班牙）的商业梨果园中，在2009年至2015年进行了一组实验。在正横截面区域和浇口叶面积，花重，水果套和产量之间发现了强烈的关系（P <0.001）。在整个TreeBasis，水果套和交替轴承受到平均刺尺寸和木龄的强烈影响，无论其他因素如何。最后，刺激的平均树刺尺寸和木龄与树的生产潜力密切相关，因此它们可以用作梨潜在产量的估算中的校正因子。

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  • 来源
    《Acta Horticulturae》 |2018年第1229期|共6页
  • 作者

    C. Miranda; L.G. Santesteban; J. Urrestarazu; M. Loidi; J.B. Royo;

  • 作者单位

    Departamento de Production Agraria Universidad Publica de Navarra Pamplona Spain;

    Departamento de Production Agraria Universidad Publica de Navarra Pamplona Spain;

    Departamento de Production Agraria Universidad Publica de Navarra Pamplona Spain;

    Departamento de Production Agraria Universidad Publica de Navarra Pamplona Spain;

    Departamento de Production Agraria Universidad Publica de Navarra Pamplona Spain;

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

    Pyrus communis; bud size; yield; modelling; fruit crop estimator;

    机译：Pyrus communis;芽尺寸;产量;建模;果实避孕师;

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