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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >The effect of different nitrogen and irrigation levels on grain β-glucan content in some durum wheat cultivars
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The effect of different nitrogen and irrigation levels on grain β-glucan content in some durum wheat cultivars

机译:不同氮肥和灌溉水平对硬粒小麦品种籽粒β-葡聚糖含量的影响

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摘要

b -glucan is a non-starchy, water-soluble polysaccharide component of wheat grain that positively affects grain nutrient quality. High b -glucan content in wheat grain also has a cholesterol-lowering effect in humans. The aim of this study was to evaluate the effect of nitrogen and irrigation on durum wheat grain b -glucan content. Correlations between durum wheat grain b -glucan content, and grain yield and some quality characteristics were examined. Kunduru 1149, K?z?ltan 91, and ?akmak 79 durum wheat cultivars were used as material, and 0-, 75-, and 150-mm irrigation levels with 0, 40, 80, and 120 kg ha-1 nitrogen rates were applied. Higher nitrogen levels generally increased durum wheat grain b -glucan content in both years of the study and the N3 nitrogen level had the greatest effect on the b -glucan content in durum wheat. Higher irrigation levels negatively affected the b -glucan content in the wheat grain. Non-irrigated treatments generally yielded the highest b -glucan content in both years of the study. The response of grain b -glucan content according to cultivar was significant and C1 had the best grain b -glucan content of all the cultivars. Correlations between grain b -glucan content, and grain yield, protein content, 1000-grain weight, test weight, seed vitreousness, and the SDS sedimentation were significant. With the exception of protein content in 2005, strong positive correlations were observed between b -glucan content, and grain yield and quality characteristics. These results indicate that higher irrigation levels negatively affected grain b -glucan content in durum wheat, whereas higher nitrogen rates positively affected grain b -glucan content. Moreover, the effect of cultivar characteristics on the -glucan content in durum wheat grain was statistically significant. Key words: b -glucan content, irrigation, nitrogen, quality characteristics
机译:β-葡聚糖是小麦籽粒的非淀粉,水溶性多糖成分,对谷物营养品质有积极影响。小麦籽粒中高的β-葡聚糖含量对人类也具有降低胆固醇的作用。这项研究的目的是评估氮肥和灌溉对硬粒小麦籽粒b-葡聚糖含量的影响。研究了硬粒小麦b-葡聚糖含量与籽粒产量和某些品质特性的相关性。使用Kunduru 1149,K?zltan 91和?akmak 79硬质小麦品种作为材料,分别以0、40、80和120 kg ha-1的氮素水平分别灌溉0、75和150 mm的灌溉水平。被应用。在这两年的研究中,较高的氮水平通常会增加硬质小麦籽粒中β-葡聚糖的含量,而氮含量对硬质小麦中β-葡聚糖含量的影响最大。较高的灌溉水平对小麦籽粒中的β-葡聚糖含量产生负面影响。在这两年的研究中,非灌溉处理通常产生最高的β-葡聚糖含量。不同品种对b-葡聚糖含量的响应显着,C1在所有品种中b-葡聚糖含量最高。籽粒b-葡聚糖含量与籽粒产量,蛋白质含量,1000粒重,测试重量,种子玻璃度和SDS沉降之间的相关性很显着。除2005年的蛋白质含量外,观察到β-葡聚糖含量与谷物产量和品质特性之间存在强正相关。这些结果表明,较高的灌溉水平对硬质小麦中的β-葡聚糖含量产生负面影响,而较高的氮肥水平则对谷物中的β-葡聚糖含量产生正面影响。此外,品种特性对硬质小麦籽粒中β-葡聚糖含量的影响具有统计学意义。关键词:β-葡聚糖含量灌溉氮品质特性

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