| 夏 艺，喻康杰，罗 锐，史涵睿，马振兵，张传量，郑炜君，吴建辉，聂小军，韩德俊.制曲专用小麦品质指标相关性分析及种质筛选[J].麦类作物学报,2025,(12):1639 |
| 制曲专用小麦品质指标相关性分析及种质筛选 |
| Correlation Analysis of Quality Indicators for Wheat Used in Daqu-Making and Germplasm Screening |
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| DOI： |
| 中文关键词: 制曲小麦 种质筛选 品质指标 |
| 英文关键词:Daqu-making wheat Germplasm screening Quality indices |
| 基金项目:高温大曲制曲小麦适宜生态区研究项目 |
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| 中文摘要: |
| 为给制曲小麦品种选育及评价提供依据，以214份制曲小麦材料为对象，测定了硬度指数、支链淀粉占比、总淀粉含量、蛋白质含量、湿面筋含量和容重等6个制曲小麦常用品质评价指标，通过综合评价和相关性分析，筛选符合制曲要求的材料，并通过统计学分析，以常用的13个制曲小麦品种为验证群体，确定各项指标最佳选择范围。结果表明，在214份制曲小麦材料中，有22份材料的各项指标均符合制曲要求。经相关性分析，硬度指数与蛋白质、湿面筋含量呈极显著正相关（P＜0.01），与总淀粉含量呈极显著负相关；蛋白质含量与湿面筋和总淀粉含量分别呈极显著正相关和负相关。经验证群体验证，确定制曲小麦硬度指数、总淀粉含量、支链淀粉占比、蛋白质含量、湿面筋含量和容重的最佳选择范围分别为19.37%~25.93%、66.82%~72.80%、87.16%~90.60%、11.07%~13.35%、23.77%~28.45%和 776.29~805.87 g·L-1。 |
| 英文摘要: |
| In order to established a quality evaluation system and variety breeding for Daqu-making wheat, 214 wheat materials for Daqu-making were studied, focusing on six common quality evaluation indicators: hardness index, amylopectin ratio, total starch content, protein content, wet gluten content, and test weight. Through comprehensive evaluation and correlation analysis of the six indicators for each sample, materials that met all the requirements for Daqu-making were selected to establish an evaluation group. Statistical analysis was used to determine the range values for individual indicators of Daqu-making wheat. Using 13 commonly used Daqu-making wheat varieties as a validation group, the optimal selection ranges for each indicator were adjusted and determined. Preliminary screening identified 22 materials with potential for Daqu-making that met all the required indicators. Correlation analysis showed that hardness index was significantly positively correlated with protein and wet gluten(P<0.01), but significantly negatively correlated with total starch(P<0.001). Protein was significantly positively correlated with wet gluten(P<0.01), but significantly negatively correlated with total starch(P<0.001). Based on the validation results from the validation group, the optimal selection ranges for the characteristic indicators of Daqu-making wheat were determined as follows: hardness index between 19.37% and 25.93%, total starch content between 66.82% and 72.80%, amylopectin ratio between 87.16% and 90.60%, protein content between 11.07% and 13.35%, wet gluten content between 23.77% and 28.45%, and test weight between 776.29 and 805.87 g·L-1. |
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