| 灌溉土壤水分上限对温室番茄开花坐果期生理指标的影晌 |
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| 引用本文： | 李建明,邹志荣.灌溉土壤水分上限对温室番茄开花坐果期生理指标的影晌[J].西北农业学报,2000,9(4):71-74. |
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| 作者姓名： | 李建明 邹志荣 |
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| 作者单位： | 西北农林科技大学园艺学院,陕西杨陵,712100 |
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| 基金项目： | 陕西省科技厅资助项目 |
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| 摘 要： | 不同灌溉土壤水分上限对温室番茄开花坐果期处理的结果表明,灌溉上限为土壤相对含水量90%时,叶片细胞汁液浓度、细胞膜相对透性最小,自由水/束缚水值最大;灌溉上限为土壤相对含水量的85%时,光合速率最大;灌溉上限为80%时,气孔传导值最大,气孔阻力最小.蒸腾速率与灌溉土壤水分上限值呈直线相关关系.细胞膜相对透性、光合速率与灌溉上限呈二次方程曲线相关关系.
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| 关 键 词： | 土壤水分上限 番茄 生理指标 |
| 收稿时间： | 2000/6/27 0:00:00 |
Effects of Different Soil Water Irrigation Maximum on Physiological Indexes of Greenhouse Tomato at Flowering and Fruit Bearing Periods |
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| LI Jian-ming and ZOU Zhi-rong.Effects of Different Soil Water Irrigation Maximum on Physiological Indexes of Greenhouse Tomato at Flowering and Fruit Bearing Periods[J].Acta Agriculturae Boreali-occidentalis Sinica,2000,9(4):71-74. |
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| Authors: | LI Jian-ming and ZOU Zhi-rong |
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| Institution: | College of Horticulture, Northwest Sci Tech University of Agriculture and Forestry, Yangling Shaanxi 712100;College of Horticulture, Northwest Sci Tech University of Agriculture and Forestry, Yangling Shaanxi 712100 |
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| Abstract: | In this paper,greenhouse tomato was treated with different soilwater irrigation maximums at flowering and fruit-bearing periods,the results showed that sap concentration leaf cell of and cell membrane penetration power were the least whereas free-bound ratio was the highest when irrigation maximum reached 90 percent of the relative water content of soil.Net photosynthesis rate became the highest when irrigation maximum was 85 percent of the relative water content of soil,and when irrigation maximum dropped to 80 percent,leaf stoma taldiff usion resistance was the smallest while stoma conduction was the largest.The transpiratory rate showed liner correlation with irrigation maximum.Net photosy thesis rate and cell membrane penetrative power had correlation of quadratic equation curve with the irrigation maximums. |
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| Keywords: | Soil water irrigation maximum Tomato Physiological index |
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