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Enhancing Wheat Gluten Content and Processing Quality: An Analysis of Drip Irrigation Nitrogen Frequency

文献类型： 外文期刊

作者： Hao, Tianjia 1 ; Chen, Rong 1 ; Jia, Jing 1 ; Zhao, Changxing 1 ; Du, Yihang 1 ; Li, Wenlu 1 ; Zhao, Ludi 1 ; Duan, Hongxiao 1 ;

作者机构： 1.Qingdao Agr Univ, Coll Agron, Shandong Prov Key Lab Dryland Farming Technol, Qingdao 266109, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Minist Agr, Key Lab Agroenvironm Downstream Yangtze Plain, Nanjing 210014, Peoples R China

3.Nanjing Agr Univ, Coll Agron, Nanjing 210095, Peoples R China

关键词： drip irrigation nitrogen frequency; wheat; dough rheological properties; CIE L*a*b*

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN：

年卷期： 2023 年 12 卷 23 期

页码：

收录情况： SCI

摘要： Drip irrigation is a water-saving and fertilizer-saving application technology used in recent years, with which the frequency of drip irrigation nitrogen application has not yet been determined. In order to investigate the effects of different drip irrigation nitrogen application frequencies on the processing quality of medium-gluten wheat (Jimai22) and strong-gluten wheat (Jimai20 and Shiluan02-1), a two-year field experiment was carried out. Two frequencies of water and N application were set under the same conditions of total N application (210 kg.ha(-1)) and total irrigation (120 mm): DIF4, consisting of four equal applications of water and N (each of 30 kg.ha(-1) of N application and 30 mm of irrigation) and DIF2, consisting of two equal applications of water and N (each of 60 kg.ha(-1) of N application and 60 mm of irrigation). The results showed that IF4 significantly increased protein content by 2-8.6%, wet gluten content by 4.5-22.1%, and hardness value (p > 0.05), and PC2 was considered as a protein factor; the sedimentation value was highly significantly correlated with most of the parameters of the flour stretch (p < 0.01). DIF4 improved the stretching quality, and the flour quality of Jima22 was decreased, the flour quality of strong-gluten wheats Jimai20 and Shiluan02-1 was improved, and PC1 was considered to be the dough factor. In conclusion, although the frequency of nitrogen application by drip irrigation increased the protein factor and improved the tensile quality, the flour quality was not necessarily enhanced.

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