Physiological response of three garden plants to drought stress

ZHANG Wen-ting; XIE Fu-chun; WANG Hua-tian; YU Wen-sheng; CHI Bing-qing; DU Jun; SONG Li; JIANG Cheng-ping

Volume 26 Issue 2

Apr. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(2): 182-187

ZHANG Wen-ting, XIE Fu-chun, WANG Hua-tian, YU Wen-sheng, CHI Bing-qing, DU Jun, SONG Li, JIANG Cheng-ping. Physiological response of three garden plants to drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(2): 182-187.

Citation:

ZHANG Wen-ting, XIE Fu-chun, WANG Hua-tian, YU Wen-sheng, CHI Bing-qing, DU Jun, SONG Li, JIANG Cheng-ping. Physiological response of three garden plants to drought stress[J]. Journal of Zhejiang A&F University, 2009, 26(2): 182-187.

Physiological response of three garden plants to drought stress

1.
Key Laboratory of Agricultural Ecology and Environment，Shandong Agricultural University，Taian 271018，Shandong，China;
2.
Garden Management Department of Yantai City，Yantai 264000，Shandong，China;
3.
Forest Seed and Seedling Station of Yantai City，Yantai 264000，Shandong，China

More Information

Corresponding author: WANG Hua-tian
Publish Date: 2009-04-20

Abstract

Because of difficulty with timely irrigation of garden plants，this research was conducted to determine the best water-stress tolerant shrub of three types to plant in the drought prone north of China. Two-year-old potted shrubs of Ligustrum vicaryi，Forsythia suspense，and Lagerstroemia indica were chosen and treated with natural drought stress with three replications in a 3 × 3 randomized block design. Physiological characteristics were measured during the course of drought stress，and the membership function was used to assess the plants’ complex anti-drought stress capability. Results showed that as drought stress increased，the leaf chlorophyll curve for Li. vicaryi was increase-decrease-increase（P＜0.05），for F. suspensa was decrease-increase（P＜0.05），and for La. indica was increase-decrease. The curve of the relative electrolyte conductivity of the leaf tissue solution for Li. vicaryi was increase-decrease-increase，for F. suspensa was decrease-increase（P＜0.05），and for La. indica was a constant increase（P＜0.05）. The curve of superoxide dismutase （SOD） activity for Li. vicaryi was increase-decrease，for La. indica was decrease-increase，and for F. suspensa was increase-decrease-increase，and SOD activity of different periods of the three species respectively had significant difference（P＜0.05）. Soluble protein contents of the three shrubs decreased at first and then increased，and soluble protein contents of different periods for F. suspense respectively had significant difference（P＜0.05）. The proline content of Li. vicaryi was decrease-increase-decrease（P＜0.05）while F. suspensa and La. indica constantly in creased. Complex appraisal of drought resistance by using membership functions for the three shrubs showed： Li. vicaryi ＞ F. suspensa ＞ La. indica.［Ch，5 fig. 1 tab. 17 ref.］
- botany,
- Ligustrum vicaryi,
- Forsythia suspense,
- Lagerstroemia indica,
- drought resistance,
- physiological index

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Physiological response of three garden plants to drought stress

1. Key Laboratory of Agricultural Ecology and Environment，Shandong Agricultural University，Taian 271018，Shandong，China;

2. Garden Management Department of Yantai City，Yantai 264000，Shandong，China;

3. Forest Seed and Seedling Station of Yantai City，Yantai 264000，Shandong，China

Corresponding author: WANG Hua-tian

Publish Date: 2009-04-20

Key words:

Abstract: Because of difficulty with timely irrigation of garden plants，this research was conducted to determine the best water-stress tolerant shrub of three types to plant in the drought prone north of China. Two-year-old potted shrubs of Ligustrum vicaryi，Forsythia suspense，and Lagerstroemia indica were chosen and treated with natural drought stress with three replications in a 3 × 3 randomized block design. Physiological characteristics were measured during the course of drought stress，and the membership function was used to assess the plants’ complex anti-drought stress capability. Results showed that as drought stress increased，the leaf chlorophyll curve for Li. vicaryi was increase-decrease-increase（P＜0.05），for F. suspensa was decrease-increase（P＜0.05），and for La. indica was increase-decrease. The curve of the relative electrolyte conductivity of the leaf tissue solution for Li. vicaryi was increase-decrease-increase，for F. suspensa was decrease-increase（P＜0.05），and for La. indica was a constant increase（P＜0.05）. The curve of superoxide dismutase （SOD） activity for Li. vicaryi was increase-decrease，for La. indica was decrease-increase，and for F. suspensa was increase-decrease-increase，and SOD activity of different periods of the three species respectively had significant difference（P＜0.05）. Soluble protein contents of the three shrubs decreased at first and then increased，and soluble protein contents of different periods for F. suspense respectively had significant difference（P＜0.05）. The proline content of Li. vicaryi was decrease-increase-decrease（P＜0.05）while F. suspensa and La. indica constantly in creased. Complex appraisal of drought resistance by using membership functions for the three shrubs showed： Li. vicaryi ＞ F. suspensa ＞ La. indica.［Ch，5 fig. 1 tab. 17 ref.］

Physiological response of three garden plants to drought stress

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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