期刊论文

Change of nutrient content in leaves of Dalbergia hupeana cuttings during rooting

中文

湖南林业科技

1003-5710

2023

50

03

102-106

10.3969/j.issn.1003-5710.2023.03.015

湖南省教育厅科学研究项目(21C0158) 湖南省林业科技攻关与创新项目“黄檀人工林精准高效培育技术与示范” 湖南省大学生创新创业训练计划项目(S202110538049)。

本校为第一机构

研究黄檀扦插生根过程中营养物质含量的变化，为黄檀扦插繁殖提供技术支持和理论指导。以同期生长的母树叶片作为对照，研究了从大量生根期到根系伸长期，插穗叶片中可溶性糖、总淀粉、可溶性蛋白、全氮、全磷等营养物质含量的变化。结果表明：大量生根期，插穗叶片中的全氮含量明显低于对照中的全氮含量；大量生根期到根系伸长期，插穗叶片中的可溶性蛋白、总淀粉含量逐渐升高，全氮、全磷、可溶性糖含量逐渐降低。这说明：低浓度的氮素含量有利于黄檀插穗不定根的形成；根系伸长期，插穗对可溶性糖、氮、磷的需求较大，可通过外部施用糖溶液、氮素和磷素来促进根系的生长。

It was great significance for providing support and theoretical guidance for the cutting propagation technology of Dalbergia hupeana to discuss the changes of nutrient content in the rooting process.The changes of soluble sugar,total starch,soluble protein,total nitroge...MORE It was great significance for providing support and theoretical guidance for the cutting propagation technology of Dalbergia hupeana to discuss the changes of nutrient content in the rooting process.The changes of soluble sugar,total starch,soluble protein,total nitrogen,and total phosphorus content in the leaves of cutt...