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超干贮藏提高梭梭种子的耐贮藏性

黄振英,张新时,郑光华,景新明,林坚,HUANG Zhen-Ying,ZHANG Xin-Shi,ZHENG Guang-hua,JING Xin-Ming,LIN Jian

Acta Botanica Sinica（2002）

Cited 19|Views38
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Abstract
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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Key words
Haloxylon ammodendron,Short-lived seed,Ultra-drying storage
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