叶子喷雾对米的生长,含量和形态学的影响
Wenxia Pei1, Mengya Dai1, Sheng Shi1
1College of Resource and Environment, Anhui Science and Technology University, Fengyang, China.
Frontiers in plant science
|May 12, 2025
概括
叶子的应用显著提高了中的谷物积,较高度可以增强对谷物的吸收和转移. 这种方法可以提高营养质量,而不会对产量产生负面影响,提供了精确的生物强化策略.
科学领域:
- 农业科学 农业科学
- 植物生理学 植物生理学
- 营养科学 营养科学
背景情况:
- (Se) 是植物和人类必需的微量营养素.
- 在米 (Oryza sativa L.) 等作物中优化Se的生物强化是具有挑战性的,因为可能存在农学权衡.
- 了解Se的吸收,转移和物种化对于有效的生物强化至关重要.
研究的目的:
- 调查叶状化应用对大米Se积累的影响.
- 分析米粒中的Se吸收,器官间转移和有机分化.
- 为准确的Se生物强化战略提供框架. 在大米.
主要方法:
- 在米头阶段,用两种度 (0.0075 kg/hm2 - FX01,0.015 kg/hm2 - FX02) 的化在叶子上涂抹.
- 对各种水组织中总含量,有机分化和转位动态的系统分析.
- 评估Se的分布和与产量相关的农学参数的相关性.
主要成果:
- 叶子Se的应用显著增加了米粒中的总Se和有机Se含量,FX02显示出优异的结果 (比FX01增加了2.76和2.77倍).
- FX02增强了花介导的Se转移到谷物 (转位因子为0.71),减少了Se在/茎中,并增加了谷物Se积累到24%.
- 在谷物中的Se积累与产量参数没有显著的相关性,叶状Se改变了谷物的有机Se成分.
结论:
- 叶片的应用是增强在米粒中的生物强化的一种有效策略.
- 较高的Se应用率 (FX02) 可以改善Se转移到谷物和积累,而不会影响产量.
- 这项研究提供了关于Se的运输和转换的见解,支持精确的生物强化,以改善营养质量和作物适应性.
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