浙江农业学报 ›› 2026, Vol. 38 ›› Issue (2): 197-205.DOI: 10.3969/j.issn.1004-1524.20240946

• 作物科学 • 上一篇    下一篇

外源喷施叶酸对稻米叶酸含量及品质的影响

张悦1(), 王镜然1, 周强1,2, 陈美玲1, 王颜红1,2,*()   

  1. 1.中国科学院沈阳应用生态研究所, 辽宁 沈阳 110016
    2.沈阳市食品安全检测与控制技术重点实验室, 辽宁 沈阳 110016
  • 收稿日期:2024-11-07 出版日期:2026-02-25 发布日期:2026-03-24
  • 作者简介:张悦,主要从事水稻营养强化及种植技术研究。E-mail:843175987@qq.com
  • 通讯作者: *王颜红,E-mail: wangyh@iae.ac.cn
  • 基金资助:
    中国科学院战略性先导科技专项(XDA28090300)

Effects of exogenous spraying of folic acid on the folic acid content and quality of rice

ZHANG Yue1(), WANG Jingran1, ZHOU Qiang1,2, CHEN Meiling1, WANG Yanhong1,2,*()   

  1. 1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    2. Key Laboratory of Food Safety Testing and Control Technology of Shenyang, Shenyang 110016, China
  • Received:2024-11-07 Online:2026-02-25 Published:2026-03-24

摘要:

本试验以盐粳48为供试水稻,通过在拔节期、抽穗期和灌浆期等不同生长阶段外源喷施5-甲酰四氢叶酸钙和5-甲基四氢叶酸钙,探究外源喷施叶酸对稻米营养品质及生长发育的影响规律。结果表明,当叶酸喷施量为225 g·hm-2时,稻米中5-甲酰四氢叶酸(5-FTHF)、5-甲基四氢叶酸(5-MTHF)和总叶酸的含量最高,较对照分别提升66.80%、52.43%和13.20%。同时,在水稻不同的生长阶段,相较于单时期喷施,多时期喷施后稻米的叶酸含量显著提高。此外,叶酸的施用还导致直链淀粉含量降低0.24~1.49百分点,食味值提高4.44%~6.85%,株高增加2.99%~5.91%,产量增加2.95%~7.94%。本研究结果表明,外源喷施叶酸不仅可以提升稻米中的叶酸含量,还能够对水稻的食味品质及生长发育产生正向影响。

关键词: 水稻, 外源喷施, 叶酸, 食味值, 株高, 产量, 品质

Abstract:

In this experiment, Yanjing 48 was used as the test rice material. The effects of exogenous folic acid spraying on the nutritional quality and growth and development of rice were explored by exogenous spraying of calcium 5-formyltetrahydrofolate and calcium 5-methyltetrahydrofolate at different growth stages: jointing, heading, and filling. The results showed that when the application rate of folic acid was 225 g·hm-2, the contents of 5-FTHF, 5-MTHF and total folic acid in rice were the highest, increased by 66.80%, 52.43% and 13.20%, respectively. Meanwhile, at different growth stages of rice, compared with single-period spraying, the folic acid content of rice significantly increased after multi-period spraying. Additionally, folic acid application led to a reduction in amylose content by 0.24-1.49 percentage points, while improving taste value by 4.44%-6.85%, increasing plant height by 2.99%-5.91%, and increasing yield by 2.95%-7.94%. These findings indicated that the application of exogenous folic acid not only increased folic acid accumulation in rice grains but also positively affected eating quality and agronomic traits during the development of rice.

Key words: rice, exogenous application, folic acid, taste value, plant height, yield, quality

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