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烟草浸提液对烟草种子萌发的化感作用研究 被引量:2

Allelopathy Research of Water Extract of Tobacco on the Germination of Tobacco Seeds
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摘要 通过烟草浸提液对野生烟、南肋半晒烟和云烟85的种子的处理分析比较,结果表明,烟草浸提液对烟草种子具有一定化感效应,不同品种烟草化感程度不同,烟草浸提液浓度不同化感程度也不同。在低浓度下烟草的发芽率和鲜重略有增加,但是浓度增高后对烟草发芽率和烟草生长表现出显著抑制作用,随着烟草浸提液浓度的增加化感效应指数减小。 Abtract: Comparing with water extract of tobacco on the germination of wild tobacco, nan-lei-ban sun cured tobacco and Yun-yan 85"s seeds. The results showed that tobacco water extract have certain allelopathic effects on tobacco seed. Different varieties of tobacco have different allelopathic degree. Different tobacco extract concentrations have different allelopathic degree too. At low concentrations the germination rate and the fresh weight of tobacco increased slightly. But at high concentration the germination rate and the fresh weight of tobacco was significantly inhibited. The allelopathic index decreased with the increase of tobacco extract concentration.
出处 《天津农业科学》 CAS 2016年第10期116-119,共4页 Tianjin Agricultural Sciences
关键词 烟草种子 萌发 化感作用 tobacco seeds germination allelopathy
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