Effects of Phosphorus Supply on Seed Yield and Quality in Flax

文献类型： 外文期刊

第一作者： Xie, Yaping

作者： Xie, Yaping;Qi, Yanni;Wang, Limin;Zhao, Wei;Li, Wenjuan;Dang, Zhao;Zhang, Jianping;Wang, Xingzhen;Zhang, Yanjun;Wang, Xingrong;Li, Yang;Cui, Zhengjun;Shi, Linrong;Lv, Zhongcheng

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关键词： phosphorus; flaxseed; lignan; iron; copper; zinc

期刊名称：AGRONOMY-BASEL （ 影响因子：3.949； 五年影响因子：4.117 ）

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年卷期： 2022 年 12 卷 12 期

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收录情况： SCI

摘要： Flaxseed, which is rich in lignan, alpha-linolenic acid, dietary fiber, and several minerals, is an important food and nutrition source. In this study, trials were conducted at Yongdeng over two consecutive years (2018 and 2019), with three cultivars (Longyaza 1, Longya 14, and Zhangya 2) and five application rates of phosphorus (P) (0, 40, 80, 120, and 160 kg P2O5 ha(-1)). We examined the effects of P on the seed yield, and the yields and contents of dietary fiber, lignan, iron (Fe), zinc (Zn), manganese (Mn), and copper (Cu). We found that P fertilization positively influenced yields of seed and levels of lignan, Fe, and Cu, showing average increases of 15, 20, 24, and 28%, respectively, compared with plants not given P over the 2-year study. Additionally, P fertilization resulted in increased concentrations of Fe and Cu in flaxseed of 8 and 2%, respectively. P fertilization negatively affected the levels of dietary fiber, Zn, and Mn, which were reduced by 7, 11, and 7%, respectively, in comparison with the control. In conclusion, the results demonstrated that appropriate P application is an effective strategy for improving yields of seed, lignan, Fe, and Cu in flax production and for enhancing concentrations of Fe and Cu in flax.

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