色氨酸、脯氨酸和酪氨酸对红罗米葡萄营养生长、产量和果实品质的影响

IF 0.4 Q4 VETERINARY SCIENCES EGYPTIAN JOURNAL OF VETERINARY SCIENCE Pub Date : 2022-01-01 DOI:10.21608/ejoh.2021.88804.1180
M. El-kenawy
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引用次数: 3

摘要

(收稿日期:02/08/2021,收稿日期:17/10/2021)DOI: 10.21608/ejoh.2021.88804.1180©2022国家信息文献中心(NIDOC)本研究是在连续两个季节(2018年和2019年)对12年的红罗米葡萄树进行的。所选的葡萄藤种植在粘土中,在地面灌溉系统下,在El-deer村的一个私人葡萄园,阿加,达喀利亚地区,埃及。3种氨基酸分别为色氨酸、脯氨酸和酪氨酸,分别在营养生长期、开花期和花期3次叶面施用,施用剂量分别为100ppm和200ppm。结果表明,施用色氨酸、脯氨酸和酪氨酸能有效提高青叶的茎长、叶面积、总叶绿素和总氨基酸含量,提高叶片中N、P、K、Mg的含量,提高单株产量、丛重、果重、果实、SSC含量、总糖、总花青素和总酚含量,提高剪枝材重、成熟材重、与对照相比,两个季节浆果节间长度和厚度降低了可滴定酸度。200 ppm时色氨酸和200 ppm时酪氨酸的营养生长参数、产量及其组成均显著高于对照。而200 ppm的脯氨酸增加了SSC%和SSC酸比、总花青素、总酚和总糖,降低了可滴定酸度。当色氨酸浓度为200ppm时,红罗米葡萄的纯利润最高。
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Effect of Tryptophan, Proline and Tyrosine on Vegetative Growth, Yield and Fruit Quality of Red Roumy grapevines
(Received 02/08/2021, accepted 17/10/2021) DOI: 10.21608/ejoh.2021.88804.1180 ©2022 National Information and Documentation Centre (NIDOC) THIS study was achieved out during two successive seasons (2018 & 2019) on 12 yearold Red Roumy grapevines. The chosen vines were grown in a clay soil under surface irrigation system in a private vineyard at El-deer hamlet, Aga, Dakahlia region, Egypt. Three amino acids namely tryptophan, proline and tyrosine were used as foliar application at rate 100 and 200 ppm on the vines for three times, at vegetative growth start, at full bloom stage and at verison stage. Results appeared that using tryptophan, proline and tyrosine were effective in improving shoot length, leaf area, total chlorophyll and total amino acids in the leaves in addition percentages of N, P, K and Mg in the leaves as well as enhanced yield per vine, cluster weight, berry weight, berry set, SSC content, total sugars, total anthocyanin and total phenols, also enhanced pruning wood weight, ripening wood, internode length and thickness while reduced titratable acidity in berries as compared with control in two seasons. Application of tryptophan at 200 ppm and tyrosine at 200 ppm gave the significant highest of vegetative growth parameters, yield and its components. While, proline at 200 ppm increased SSC% and SSC acid ratio, total anthocyanin, total phenols and total sugars while these reduced titratable acidity. The best net profit of Red Roumy grapevines was obtained with tryptophan at 200 ppm.
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