[1]石超,唐婉,马玉磊,等. 4种连翘属植物对土壤含水量变化的生理反应[J].西北林学院学报,2012,27(06):8-11.
 SHI Chao,TANG Wan,MA Yu-lei,et al. Physiological Responses of Four Forsythia Species to Soil Moisture[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):8-11.
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 4种连翘属植物对土壤含水量变化的生理反应()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
8-11
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Physiological Responses of Four Forsythia Species to Soil Moisture
文章编号:
1001-7461(2012)06-0008-04
作者:
 石超唐婉马玉磊唐星林潘会堂
 (1.北京林业大学 园林学院,北京 100083;2.国家花卉工程技术研究中心,北京 100083)
Author(s):
 SHI Chao TANG Wan MA Yu-lei TANG Xing-lin PAN Hui-tang
 (1.College of Landscape Architecture, Beijing Forestry University, Beijing 100083,China; 2.National Engineering Research Center for Floriculture, Beijing 100083,China)
关键词:
 连翘属水分胁迫生理指标抗旱性
Keywords:
 Forsythia water stress physiological indice drought resistance
分类号:
S718.43
文献标志码:
A
摘要:
 采用盆栽控水法使土壤含水量由高到低持续减小,研究了连翘、金钟花、东北连翘和金叶连翘4种连翘属植物的生理反应。结果表明:高土壤含水量条件下脯氨酸和丙二醛含量显著增加,相对电导率、可溶性糖含量和PSⅡ最大光化学效率(Fv/Fm)变化不显著;当土壤含水量降至10%(饱和含水量的30%)时,可溶性糖、可溶性蛋白、脯氨酸和丙二醛的含量急剧增加,相对电导率也明显增大,但是Fv/Fm值在土壤含水量降至2%(饱和含水量的6%)时才开始急剧下降,说明PSⅡ反应中心受到胁迫影响相对较晚。土壤含水量降至5%(饱和含水量的15%)时4种连翘均出现明显的失水萎蔫症状。综合分析4种连翘的抗旱能力依次为:连翘>金钟花>金叶连翘>东北连翘。

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