在农业生产中，盐胁迫是影响冬小麦生长的重要环境因素，而锰元素（甘氨酸锰Manganese Glycinate）在缓解盐胁迫伤害方面有着关键作用。盐胁迫不仅降低冬小麦种子发芽力与幼苗质量，还会干扰种子和幼苗中酶活性及渗透调节物质含量。研究发现，锰元素（甘氨酸锰Manganese Glycinate）可有效缓解盐胁迫对冬小麦的不良影响。0.20 g⁄L 硫酸锰溶液浸种，能显著提高不同浓度 NaCl 条件下冬小麦种子发芽力、活力，以及幼苗质量、高度和根长。这可能是因为低浓度锰提升了种子萌发期氧化酶活性，增强抗氧化水平，降低脂质过氧化，并增加了幼苗渗透调节物质含量，从而提高耐盐能力。不同浓度锰作用效果有差异。在 50 和 90 mmol ⁄L 浓度 NaCl 条件下，0.60 g⁄L硫酸锰溶液浸种可显著提升冬小麦种子发芽指数等指标；但在 130 mmol ⁄L 浓度 NaCl 条件下，该浓度硫酸锰浸种未显著提升发芽指标，1.00 g⁄L硫酸锰溶液浸种甚至使部分指标降低 ，说明过量锰会抑制冬小麦种子和幼苗生理代谢及酶活性，阻碍幼苗正常生长。合理利用锰元素可减轻盐胁迫对冬小麦种子和幼苗的伤害。实际生产中，可通过精准调控锰元素（甘氨酸锰Manganese Glycinate）施用浓度，提高冬小麦在盐胁迫环境下的生长能力，为冬小麦增产及盐碱地农业开发提供有力技术支持。
锰元素（甘氨酸锰Manganese Glycinate）对盐胁迫下冬小麦种子及幼苗的影响
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Effects of Manganese glycinate on seeds and seedlings of winter wheat under salt stress
In agricultural production, salt stress is an important environmental factor affecting the growth of winter wheat, and manganese (Manganese glycinate) plays a key role in alleviating the damage of salt stress. Salt stress not only reduced the germination ability and seedling quality of winter wheat, but also interfered with the enzyme activity and osmotic regulator content in seeds and seedlings. It was found that manganese glycinate (Manganese glycinate) could effectively alleviate the adverse effects of salt stress on winter wheat. Soaking seeds in 0.20 g⁄L manganese sulfate solution could significantly improve the germination ability and vigor of winter wheat seeds, as well as the quality, height and root length of winter wheat seeds under different concentrations of NaCl. This may be due to the fact that the low concentration of manganese increased the activity of oxidase, enhanced the antioxidant level, reduced lipid peroxidation, and increased the content of osmotic regulators in seedlings, thereby improving salt tolerance. The effect of different concentrations of manganese is different. Soaking seeds in 0.60 g⁄L manganese sulfate solution at 50 and 90 mmol ⁄L NaCl concentrations significantly increased the germination index of winter wheat seeds. However, under the condition of 130 mmol ⁄L concentration of NaCl, the soaking concentration of manganese sulfate did not significantly improve the germination index, and the soaking of 1.00 g⁄L manganese sulfate solution even reduced some indexes, indicating that excessive manganese could inhibit the physiological metabolism and enzyme activity of winter wheat seeds and seedlings, and hinder the normal growth of seedlings. Rational use of manganese can reduce the damage of salt stress to winter wheat seeds and seedlings. In actual production, the growth capacity of winter wheat under salt stress environment can be improved by precisely adjusting the application concentration of manganese glycinate, which can provide strong technical support for the increase of winter wheat yield and the development of saline-alkali land agriculture.
Effects of Manganese glycinate on seeds and seedlings of winter wheat under salt stress
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