首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Pruning effect on content of quercetin and catechin in berry skins of cv. Blaufrankisch (Vitis vinifera L.)
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Pruning effect on content of quercetin and catechin in berry skins of cv. Blaufrankisch (Vitis vinifera L.)

机译:修剪对简历浆果皮中槲皮素和儿茶素含量的影响。 Blaufrankisch(葡萄)

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摘要

The effect of pruning severity on quercetin and catechin content in berry skins of cv. Blaufrankisch (Vitis vinifera L.) was studied over 3 years. Different crop levels and canopy structures were obtained by retaining 8, 16, and 24 nodes per vine at pruning. Canopy density, which is proportionate to the shoot number per canopy volume, directly affects the intensity of photosynthetically active radiation (PAR). The quercetin content has been shown to be highly dependent on the light exposure of the berries in which it accumulates. An increase in node number linearly decreased skin catechin, and it is suggested that the decrease was caused by increased yield per vine.
机译:修剪严重程度对简历浆果中槲皮素和儿茶素含量的影响。 Blaufrankisch(Vitis vinifera L.)被研究了3年。通过在修剪时每棵藤保留8、16和24个节,可获得不同的作物水平和冠层结构。冠层密度与每个冠层体积的芽数成正比,直接影响光合有效辐射(PAR)的强度。已经显示槲皮素含量高度依赖于其积累的浆果的曝光量。节点数的增加线性降低了皮肤儿茶素的含量,这表明减少的原因是每棵藤的产量增加。

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