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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Methyl jasmonate treatments influence bioactive compounds and red peel colordevelopment of Braeburn apple
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Methyl jasmonate treatments influence bioactive compounds and red peel colordevelopment of Braeburn apple

机译：茉莉酸甲酯处理会影响Braeburn苹果的生物活性物质和红皮颜色发育

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摘要

The present study was carried out to determine the effects of methyl jasmonate (MeJA) treatments on the fruit peel color parameters, anthocyanin content, ethylene biosynthesis, phenolic content, and antioxidant capacity of Braeburn apples. Experimental trees were treated with 1120， 2240, or 4480 mg L-lMeJA at1-and 2-week intervals between the 105th and 175th days of growth after full bloom. L* and hue decreased linearly with increasing MeJA concentrations in both experimental years. While MeJA treatments did not cause significant changes in chroma, except for in the final harvest in 2010, it decreased chroma values significantly on all sampling dates of 2011. Anthocyanin content, internal ethylene concentration, phenolic content, and antioxidant capacity increased linearly with increasing MeJA concentrations, regardless of the application interval: MeJA treatments with1- week intervals were found to be as effective as those with 2-week intervals. Although MeJA treatments increased ethylene biosynthesis, they did not cause any softening; on the other hand, fruit firmness increased linearly with increasing MeJA concentrations. Preharvest MeJA treatments can be a good management strategy for red peel color development and fruit firmness preservationin Braeburn apples. Although both application regimes of MeJA significantly increased red c^tjor development, the treatments with1- week intervals were found to be more effective than 2-week intervals with regard to phenolic content and antioxidant capacity
机译：本研究旨在确定茉莉酸甲酯（MeJA）处理对Braeburn苹果果皮颜色参数，花色苷含量，乙烯生物合成，酚含量和抗氧化能力的影响。在开花后第105天至第175天的第1和2周间隔，分别用1120、2240或4480 mg L-1MeJA处理实验树木。在两个实验年中，L *和色相均随着MeJA浓度的增加而线性下降。尽管MeJA处理没有引起色度的显着变化，除了在2010年的最终收获中，它在2011年的所有采样日期均显着降低了色度值。花青素含量，内部乙烯浓度，酚含量和抗氧化剂能力随MeJA的增加呈线性增加浓度，与应用间隔无关：发现MeJA治疗间隔1周与间隔2周有效。尽管MeJA处理增加了乙烯的生物合成，但并未引起任何软化。另一方面，果实硬度随着MeJA浓度的增加而线性增加。采收前的MeJA处理可以成为Braeburn苹果红皮颜色发展和果实硬度保持的良好管理策略。尽管MeJA的两种施用方式均显着增加了红色的微细发育，但发现酚类含量和抗氧化能力方面，间隔1周的治疗比间隔2周的治疗更有效。

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