水稻中硅的营养功能及生理机制的研究进展

被引:42
作者
龚金龙
张洪程
龙厚元
胡雅杰
戴其根
霍中洋
许轲
魏海燕
高辉
机构
[1] 扬州大学农业部长江流域稻作技术创新中心/江苏省作物遗传生理重点实验室
关键词
水稻; 硅; 营养; 生理;
D O I
10.13592/j.cnki.ppj.2012.01.001
中图分类号
S511 [稻];
学科分类号
摘要
尽管硅还没有被列为植物生长的必需营养元素,但它在水稻生长发育、产量与品质形成、矿质营养吸收以及逆境生理等方面都具有重要的作用。硅不仅是水稻细胞结构成分和组成物质,还参与调节水稻各种生理生化代谢过程,促进光合作用,改善冠层结构,增强抗倒伏能力,提高群体质量,促进产量、品质和肥料吸收利用效率的协同提高。硅通过物理途径或生理生化途径增强水稻对重金属、盐渍、干旱、紫外线、高温等非生物胁迫以及病虫生物胁迫的抵抗力。还展望了水稻中硅研究的未来发展。
引用
收藏
页码:1 / 10
页数:10
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