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采用三因素、四水平的正交设计方法，研究了浸种温度、赤霉素、硝酸钾对经浓硫酸处理后的火棘种子发芽的影响。结果表明：浓硫酸处理30min及适宜的温度15～45℃是提高种子发芽能力的关键。
The effects of soaking temperature, gibberellin and potassium nitrate on the germination of Pyracantha fortuneana seeds treated with concentrated sulfuric acid were studied by orthogonal design method of three factors and four levels. The results showed that the treatment of concentrated sulfuric acid for 30 min and the suitable temperature of 15 ~ 45 ℃ were the key to improve seed germination ability.