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不同栽培模式下西红柿的夏季热应激反应的研究

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目录

文摘

DECLARATION

CERTIFICATION

DEDICATION

ACKNOWLEDGEMENT

ABBREVIATIONS.

0. Abstract.

1. GENERAL INTRODUCTION

1.1.CHERRY TOMATO.

1.1.1. Botanical description

1.1.2. Agronomic Characteristics

1.2. SIGNIFICANCE OF RESEARCH.

1.3. RESEARCH JUSTIFICATION.

1.4. RESEARCH OBJECTIVES.

1.4.1. General objectives.

1.4.2. Specific objectives

2. LITERATURE REVIEW.

2.1. PLANT STRESS

2.1.1. Definition of stress.

2.1.2. Expression of stress

2.1.3. Stress caused by high temperatures.

2.2. PHYSIOLOGICAL RESPONSE TO HIGH TEMPERATURES

2.2.1. Osmotic adjustment

2.2.2. Stomatal adjustment

2.2.3.Carbon dioxide cycling in stressed plants

2.3. PHYSIOLOGICAL INDICATORS OF PLANT STRESS

2.3.1. Water potential

2.3.2. Leaf temperature

2.3.3. Transpiration rate

2.3.4. Stomatal conductance

2.3.5. Photosynthesis rate

3. GENERAL MATERIALS AND METHODS

4.RESULTS AND DISCUSSION.

4.1.EFFECTS OF TEMPERATURE ON OTHER ENVIRONMENTAL FACTORS.

4.1.1. DEFINITIONS.

4.1.2. DAILY ENVIRONMENTAL FACTORS VARIATIONS.

4.1.3. NIGHT ENVIRONMENTAL VARIATIONS

4.1.4. EFFECT OF TEMPERATURE ON GAS EXCHANGES.

4.2. EFFECTS OF TEMPERATURE ON GROWTH AND DEVELOPMENT

4.2.1. PROCEDURE.

4.2.2. TEMPERATURE AND VEGETATIVE GROWTH STAGE.

4.2.3. TEMPERATURE AND REPRODUCTIVE GROWTH STAGE.

4.3. EFFECTS OF TEMPERATURE AND GROWING MEDIA ON PLANTWATER STATUS

4.3.2. LEAF WATER POTENTIAL AND PLANT DEVELOPMENT

4.4 TEMPERATURE AND OTHER PLANTS' STRESS INDICATORS.

4.4.1.TEMPERATURE AND LEAF CHLOROPHYLL CONTENT.

4.4.2. HEAT STRESS AND AIR/LEAF TEMISERATURE GRADIENT

4.5. AIR TEMPERATURE AND PLANT'S ROOTS ENVIRONMENT.

5.CONCLUSIONS AND RECOMMENDATIONS

REFERENCES.

APPENDIX

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摘要

在中国的南方地区夏季高温高湿,在湿室中亦如此降温措施的使用将使生产成本明显增加,而降温效果却并不都令人满意.研究发现中午关闭温室顶部通风,温室内温度将迅速升高到50℃,这将导致植物的伤害甚至死亡.而在设施内种植的主要目的是通过设施内气候条件与根部环境条件,从而获得比露天条件下生产出经济效益高的优质产品.该文简要介绍了樱桃蕃茄、研究用仪器设备、热应激及植物对热应激的生理反应.该文试验在2002年夏季的6——9月在一个温室内设立了多种樱桃蕃茄栽培系统:土培、泥煤基质培、苔泥基质培、泥煤+珍珠岩基质培(3:2)、珍珠岩和营养液膜栽培(NFT).樱桃蕃茄在播种35后移植到温室的三个(1、2、3)白天/夜晚的温度分别为25/20℃,35/25℃和>35/>25℃的小型气候室内.研究了环境内气体的相互作用.

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