不同施氮量对高粱生长·生物量和蜀黍氰苷积累的影响

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摘要以辽糯11高粱为供试材料，研究了5个不同施氮水平对其生长发育、生物量及蜀黍氰苷积累的影响。结果表明，不同施氮水平对株高的影响不显著，随着施氮量的增加，高粱的茎粗、叶长、叶宽及鲜质量、干质量等表现为先增大后稳定，根、茎、叶等部位中的蜀黍氰苷含量随着施氮量的增加先增加后降低。

关键词高粱；氮肥；蜀黍氰苷；生长；生物量

中图分类号S 514文献标识码A文章编号0517-6611（2023）24-0150-03

doi：10.3969/j.issn.0517-6611.2023.24.033

Effects of Different Nitrogen Rates on Sorghum Growth， Biomass and Cyanoside Accumulation

LI Songbai， ZHOU  Hanling， HU Jiao et al

（Wuliangye  Co.， Ltd.， Yibin， Sichuan 644000）

AbstractLiaonuo 11 sorghum was used as experimental material to study the effects of 5 different nitrogen application levels on its growth， biomass and cyanoside accumulation. The results showed that different nitrogen application levels had no significant effect on plant height. With the increase of nitrogen application rate， the stem diameter， leaf length， leaf width， fresh weight and dry weight of sorghum increased first and then stabilized. The content of zea cyanoside in roots， stems and leaves also increased first and then decreased with the increase of nitrogen application rate.

Key wordsSorghum;Nitrogenous fertilizer;Cyanoside;Growth;Biomass

高粱是禾本科高粱屬作物，因具有耐旱、耐瘠薄、适应性强、生长快、营养丰富等特点，栽培范围较广，是重要的谷物和牧草作物。（剩余6119字）