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不同种质资源及贮藏条件对缬草种子发芽率的影响 被引量:7

Effects of various seed sources and different storage conditions on seed germination rate of Valeriana officinalis
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摘要 目的 探讨不同种质资源、贮藏条件及萌发温度对缬草种子发芽率的影响。方法 采用不同条件贮藏的缬草种子进行常规种子发芽试验,计算不同萌发条件下的种子发芽率。结果 不同来源的缬草种子发芽率有较大差异,缬草的种子发芽率要高于其变种宽叶缬草的发芽率,栽培缬草的种子发芽率要远高于野生缬草种子的发芽率。贮存时间、贮存温度、萌发温度等因素对缬草种子发芽率均会产生影响。结论 为保持缬草种子的发芽率,贮藏过程中要保持适当的低温和透气性,要长期保存缬草种子,则必须要以较低的温度保存;种子繁育要在适宜的时间和温度等条件下进行。 Objective To investigate the effects of seed sources and storage conditions on the seed germination rate of Valeriana officinalis. Methods The seeds of V. officinalis under different storage conditions were used as materials for germination test, and the germination rate was calculated and compared according to the results. Results The seed germination rate of valerians is varied with different sources. The seed germination rate of V. officinalis is higher than that of V. officinalis var. latifolia, and the seed germination rate of cultivated valeriana is much higher than that of the wild plant. The storage periods, storage temperature, and germination conditions also affect the germination rate. Conclusion To maintain the seed germination rate, the seed of V. officinalis should be stored in conditions with ventilation and at suitable low temperature. Lower temperature helps to prolong the seed life with relatively high germination rate. Valeriana seed should also be propagated at available temperature conditions in proper seasons.
出处 《中草药》 CAS CSCD 北大核心 2005年第3期431-434,共4页 Chinese Traditional and Herbal Drugs
基金 国家自然科学基金资助项目(30270152)
关键词 缬草 种质资源 贮藏条件 发芽率 Valeriana officinalis L. seed source storage condition germination rate
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