不同浓度赤霉素对长苞冷杉种子发芽的影响

Guizhou Agricultural Sciences(2018)

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Abstract
为探明我国特有树种长苞冷杉种子萌发的最佳处理方法,利用赤霉素对植物生长发育的调节特性,研究不同浓度赤霉素对长苞冷杉种子发芽指标的影响.结果表明:不同浓度赤霉素处理对长苞冷杉种子的发芽率、发芽势和发芽指数均存在显著影响,处理浓度为200 mg/L,长苞冷杉发芽率、发芽势和发芽指数最高,较对照(空白处理)发芽率提高18.97%,发芽势提高46.15%,发芽指数提高41.58%,差异显著.
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