超干贮藏提高梭梭种子的耐贮藏性

来源 :植物学报 | 被引量 : 0次 | 上传用户：zhangersong

【摘要】

：

梭梭(Haloxylon ammodendron Bge.)的种子为短命种子,在自然状态下,种子的含水量为8.5%,寿命约为10个月.将梭梭种子含水量降至2.5%和1.4%,其耐贮藏力增强.经过50 ℃下5 d和10

【作者】

：

黄振英张新时郑光华景新明林坚

【机构】

：

中国科学院植物研究所植被数量生态学开放研究实验室,中国科学院植物研究所北京植物园,Laboratory of Quantitative Vegetation Ecology,Beijing Botan

【出处】

：

植物学报

【发表日期】

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2004年期

【关键词】

：

梭梭短命种子超干贮藏 Haloxylon ammodendron short_lived seed ultra_drying storage

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梭梭(Haloxylon ammodendron Bge.)的种子为短命种子,在自然状态下,种子的含水量为8.5%,寿命约为10个月.将梭梭种子含水量降至2.5%和1.4%,其耐贮藏力增强.经过50 ℃下5 d和10 d的人工加速老化后,超干种子表现出较强的抗老化能力.与对照相比,超干种子具有较高的萌发率、活力指数及较长的根,其细胞膜具有较低的电导率和较高的脱氢酶活性.

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超干贮藏提高梭梭种子的耐贮藏性

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