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首页> 外文期刊>Seed Science Research >Smoke-enhanced seed germination in Mediterranean Lamiaceae.
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Smoke-enhanced seed germination in Mediterranean Lamiaceae.

机译：烟熏增强了地中海菊科的种子发芽。

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The role of smoke in fire-stimulated germination in the Mediterranean Basin has often been underestimated. A few records on smoke-enhanced germination are present in Mediterranean Lamiaceae species, but there is still a shortage of information to allow generalizations about this family to be made. To test the hypothesis that smoke enhances germination in Mediterranean Lamiaceae species, we performed a germination experiment, including aqueous smoke treatments in various concentrations (1:1, 1:10 and 1:100) on seven eastern Mediterranean Lamiaceae taxa. Six of the studied taxa ( Lavandula stoechas, Origanum onites, Phlomis bourgaei, Stachys cretica ssp. smyrnaea, Satureja thymbra, Teucrium lamiifolium ssp. stachyophyllum) showed significant increments in germination percentage in at least one smoke treatment, as compared to the control. Moreover, L. stoechas, S. thymbra and T. lamiifolium ssp. stachyophyllum displayed faster germination in at least one smoke treatment than in the control. Of the species showing significant increments in germination percentages after aqueous smoke application, at least one single concentration of smoke solution did not stimulate germination, except in L. stoechas and S. thymbra which responded positively to all smoke treatments. Therefore, the concentration of aqueous smoke that improved germination was species-specific. Our results contribute to the current limited knowledge on smoke-enhanced germination in Mediterranean Lamiaceae, and support the idea that smoke is an important germination cue for this family.
机译：人们常常低估了烟雾在地中海盆地火激发的萌芽中的作用。地中海烟草科物种中有一些有关烟雾增强的发芽的记录，但是仍然缺乏信息可以对这个科进行概括。为了检验烟雾增强地中海唇形科物种发芽的假说，我们进行了发芽实验，包括对七个东部地中海唇形科类群进行不同浓度（1：1、1：10和1：100）的水烟处理。与对照相比，在至少一种烟熏处理中，六个被研究的分类单元（熏衣草，牛至，牛至，蓬皮草，水草，南美香草，百里香，白粉菌，针茅）发芽率显着增加。此外，L。stoechas，胸腺S.和T. lamiifolium ssp。至少在一种烟熏处理中，阔叶烟草的发芽速度快于对照。在使用水性烟雾剂后，其发芽百分数显着增加的物种中，至少一种单一浓度的烟雾溶液没有刺激发芽，除了对所有烟雾处理均呈阳性反应的L. stoechas和S. thymbra。因此，改善发芽的水烟浓度是特定于物种的。我们的结果有助于目前对地中海唇形科中增强烟雾发芽的认识有限，并支持以下观点：烟雾是该家庭重要的发芽线索。

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