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首页> 外文期刊>Acta Horticulturae >Effects of paclobutrazol on growth and yield of low chill peaches in subtropical Australia
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Effects of paclobutrazol on growth and yield of low chill peaches in subtropical Australia

机译：多效唑对亚热带澳大利亚低寒桃生长和产量的影响

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摘要

Three-year-old trees of peach cv. Flordaprince had a soil and collar drench of Cultar (2.0 g a.i. paclobutrazol/tree) applied in the autumn. Shoot extension in the year following paclobutrazol treatment was reduced by 57% at stone-hardening and by 47.6% at harvest, compared with controls. Fruit size was increased by 12.7%, yield by 22.1% and yield per unit canopy volume by 59.1% with paclobutrazol. The increase in fruit size appeared to be due to a reduction in competition between vegetative and reproductive growth. Leaf K levels and trunk starch levels at stone-hardening showed a negative linear correlation with yield efficiency.
机译：桃树简历的三岁树。 Flordaprince在秋季施用了Cultar（2.0 g a.i.多效唑/树）的土壤和衣领浸水。与对照相比，多效唑处理后一年的枝条伸长在石块硬化时降低了57％，在收获时降低了47.6％。多效唑可将果实大小增加12.7％，增产22.1％，每单位冠层体积的增产59.1％。水果大小的增加似乎是由于营养生长和生殖生长之间竞争的减少所致。石材硬化时的叶片钾水平和树干淀粉水平与产量效率呈负线性相关。

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