不同水分处理对日光温室黄瓜多胺与激素的影响(英文)
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S642.2

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Effect of water treatments on ABA and polyamine content of cucumber growing in solar greenhouse
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    摘要:

    研究了不同土壤含水量对日光温室黄瓜生长与物质代谢的影响 ,结果如下 :冬春茬各生育期随着土壤水分的减少 ,不同处理的叶片数、叶面积、株高、节间长均降低。水分亏缺初期 ,叶片脯氨酸含量随着土壤含水量的降低而增加 ,随着时间延长此趋势消失。盛瓜期 Pro含量以 T1最多 ,达 17.95 μg/ g DW,分别是 T2与 T3的 2 .0倍与 2 .4倍 ;末瓜期各处理的 Pro含量均达最高值 ,T1、T2、T3分别为 2 5 .30、15 .6 0、12 .33μg/ g DW,秋冬茬叶片脯氨酸含量变化规律同冬春茬 .无论冬春茬还是秋冬茬 ,游离蛋白质的变化规律同脯氨酸。叶片亚精胺 (Spd)与腐胺 (Put)含量随着土壤水分的减少而增加。不同水分处理对黄瓜叶片精胺(Spm)含量的影响不大。根系中 Spd、Put、Spm的变化趋势同叶片。冬春茬不同水分处理的黄瓜叶片 ABA含量均随着土壤含水量的减少而增加。

    Abstract:

    The growth and metabolization of cucumber under the solar greenhouse were investegated,the results were as followed: During the autumn-winter season, cucumber height, leaf number, and leaf area decreased as the soil water content decreased, the growth of cucumber was reduced. At the beginning of the treatment during the autumn-winter season, the proline content, free protein content in the T1(soil moisture was 85%~90% of field capacity) was significantly lower than that of the other two stressed treatments....

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王绍辉,张福墁.不同水分处理对日光温室黄瓜多胺与激素的影响(英文).生态学报,2004,24(12):2848~2852

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