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首页> 外文期刊>Acta Horticulturae >Abz or ethephon application affects 'Shine Muscat' grape berry maturation
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Abz or ethephon application affects 'Shine Muscat' grape berry maturation

机译：ABZ或ETHEVEPHON应用程序影响“闪耀麝香葡萄”葡萄浆果成熟

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摘要

There is evidence that abscisic acid (ABA) and ethylene both play important roles in the physiological processes of grape maturation. However, the interaction between ABA and ethylene metabolism in grape maturation is unclear. We applied 50 uM (±) abscinazole-E3 (Abz, ABA 8'-hydroxylase inhibitor) or 500 uM ethephon to grape berries at 44 DAFB (days after full bloom). Grape berries were sampled at 44, 48, 54, 64, 94 DAFB. The ABA, ethylene concentrations and related gene expressions were analyzed. The results showed that Abz or ethephon treatment decreased the firmness and titratable acid concentration. Abz treatment inhibited VvCYP707Al gene expression levels at 48 DAFB and increased endogenous ABA accumulation at 54 DAFB. Ethephon treatment significantly up-regulated VvNCEDl gene expression levels at 48 DAFB and VvCYP707Al at 54 DAFB, but had no effect on ABA concentration. Ethylene and gene expression levels of VvACOl and VvERF2 in Abz- and ethephon-treated berries at 48 DAFB were up-regulated.Abz or ethephon treatment also accelerated chlorophyll breakdown in berry skin with the up-regulation of VvPPH and VvRCCR gene expression levels. The total sugar concentrations slightly increased in both Abz- and ethephon-treated berries. These resultssuggest that Abz treatment before veraison can stimulate grape maturation by increasing endogenous ABA and the ethephon treatment can promote grape maturation similarly to Abz, through VvACOl and VvERF2.
机译：有证据表明脱离酸（ABA）和乙烯在葡萄成熟的生理过程中起重要作用。然而，ABA与葡萄成熟中的乙烯代谢之间的相互作用尚不清楚。我们施用50μm（±）腹胆碱-E3（ABZ，ABA 8'-羟基化酶抑制剂）或500μmetephon，在44分DAFB（完全绽放后的天数）以葡萄浆果。葡萄浆果在44,48,54,64,94分Dafb中进行采样。分析了ABA，乙烯浓度和相关基因表达。结果表明，ABZ或Ethephon治疗降低了坚定性和可滴定的酸浓度。 ABZ治疗抑制了48个DAFB的VVCOP707AL基因表达水平，并增加了54例DAFB的内源性ABA积累。 Ethephon治疗在54个Dafb的48 dafb和Vvcyp707中显着上调VVNCED基因表达水平，但对ABA浓度没有影响。在48个Dafb的Abz-和Ethephon治疗的浆果中Vvacol和Vverf2的乙烯和基因表达水平是上调的.BZ或Ethephon治疗在浆果皮肤中也加速了VVPPH和VVRCCR基因表达水平的渐变调节。在ABZ和EVEPHON处理的浆果中，总糖浓度略有增加。这些结果通过增加内源性ABA和乙烯治疗可以通过VVACOL和VVERF2促进葡萄成熟，通过增加葡萄成熟，使ABZ治疗能够促进葡萄成熟。

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  • 来源
    《Acta Horticulturae》 |2018年第1206期|共7页
  • 作者

    H. Lin; S. Wang; T. Saito; H. Ohara; K. Okawa; H. Jia; Y. Gou; S. Kondo;

  • 作者单位

    Graduate School of Horticulture Chiba University Matsudo Japan;

    Graduate School of Horticulture Chiba University Matsudo Japan;

    Graduate School of Horticulture Chiba University Matsudo Japan;

    Graduate School of Horticulture Chiba University Matsudo Japan;

    Graduate School of Horticulture Chiba University Matsudo Japan;

    Horticultural College Nanjing Agricultural University Nanjing China;

    College of Horticulture Shenyang Agricultural University Shenyang China;

    Graduate School of Horticulture Chiba University Matsudo Japan;

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

    abscisic acid; abscinazole-E3; ethephon; grape; maturation;

    机译：脱落酸;腹腺唑-E3;ethephon;葡萄;成熟;

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