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Leaf water potential measurements using the pressure chamber: synthetic testing of assumptions towards best practices for precision and accuracy
leaf water potential plant water relations plant water status pressure bomb pressure chamber water stress
2023/11/28
Leaf water potential (ψ leaf), typically measured using the pressure chamber, is the most important metric of plant water status, providing high theoretical value and information content for multiple ...
Effects of Water Stress on Leaf Water Potential, Flowering, Carbohydrate Content and ABA Content in ‘Meiwa’ Kumquat Trees
first-flush flower starch total sugar
2010/11/24
‘Meiwa’ kumquat (Fortunella crassifolia Swingle) trees were subjected to water stress in order to increase first-flush flowers by withholding water until the soil water content reached about 30% and w...
Dominant Factors in Reduction of Photosynthetic Rate Affected by Air Humidity and Leaf Water Potential in Rice Plants
Dry matter production Leaf production rate Photosynthetic rate Plant type Root yield Starch content Thai cassava
2009/8/6
In order to clarify the dominant factor responsible for the reduction in photosynthetic rate caused by 1) an increase in leaf-air vapor pressure difference and 2) a decrease in leaf water potential i...
Decrease of Leaf Water Potential and Leaf Injury of Tea Plant (Thea sinensis L.) Subject to Cold Winter Wind in Sanin Region of Japan : II. Increase of water flow resistance inside the plant contributes to decrease of leaf water potential
Cold wind injury Leaf water potential Transpiration rate Water flow resistance Tea
2009/8/4
In the previous report, we indicated that cold wind injury of tea leaf in Sanin region occurred under decreases of leaf water potential (ΨL) caused by low temperature and strong wind. We attempted to ...
Decrease of Leaf Water Potential and Leaf Injury of Tea Plant (Thea sinensis L.) Subject to Cold Winter Wind in Sanin Region of Japan : I. Response of leaf water potential and leaf injury under field conditions
Cold wind injury Leaf water potential Low temperature Strong wind Tea
2009/8/4
Tea leaf sometimes receives serious damage as leaf blight or defoliation by winter cold wind in Sanin region of Japan. When wind of 4-7ms-1 blew, air temperature decreased to 0∼-4.4°C and a litt...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions:II. Relationship between response and yield
Evaporative demand Grain yield Leaf water potential Location Radiation Spikelet number
2009/7/31
We observed previously (Part 1) that maintenance ability of leaf water potential (Ψ1) in rice plants under paddy field conditions changed depending on planting years and seasons and individual locatio...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions : I. Changes with plant development
Evaporimeter Evaporative demand Growth stage Leaf water potential
2009/7/31
Because the leaf water potential (Ψ1) of the rice plant (Oryza sativa L.) is strongly affected by the evaporative demand of the atmosphere under paddy field conditions, and most changes in Ψ1 reflect ...
Mechanisms of Different Responses of Leaf Photosynthesis in African Rice (Oryza glaberrima Steud.) and Rice (Oryza sativa L.) to Low Leaf Water Potential
Abscisic acid Drought tolerance Oryza glaberrima Steud Oryza sativa L Photosynthesis
2009/7/31
This research was conducted to elucidate the mechanisms in water stress tolerance of Oryza glaberrima Steud. with special reference to stomatal conductance. Leaf photosynthesis (LPS) of O. glaberrima...
Analysis of Photosynthesis Depression under Low Leaf Water Potential by Comparison of CO2 Exchange and O2 Evolution Rates
Air phase oxygen electrode Infrared CO2 analyzer Photosynthesis Photosynthetic capacity
2009/7/28
Reductions in CO2 supply through stomata and photosynthetic capacity in mesophyll are the two major processes for depression of photosynthesis under water stress conditions. The objective was to clari...
Wheat Cultivar Differences in Photosynthetic Response to Low Soil Water Potentials:I. Maintenance of photosynthesis and leaf water potential
Drought avoidance Drought resistance Drought tolerance Photosynthesis Triticum aestivum
2009/7/27
Although many studies have shown cultivar differences in photosynthetic response to water deficit, the understanding of detailed mechanisms is not sufficient. We examined the mechanisms of water stres...
Wheat Cultivar Differences in Photosynthetic Response to Low Soil Water Potentials:I. Maintenance of photosynthesis and leaf water potential
Drought avoidance Drought resistance Drought tolerance Photosynthesis Triticum aestivum Water stress
2009/7/27
Although many studies have shown cultivar differences in photosynthetic response to water deficit, the understanding of detailed mechanisms is not sufficient. We examined the mechanisms of water stres...
Effects of Water Table on Physiological Traits and Yield of Soybean:II. Effects of water table and rainfall on leaf water potential and photosynthesis
Leaf water potential Photosynthesis Soybean Stomatal conductance Water table
2009/7/22
The effects of constant and fluctuating water tables at 15∼100 cm below the soil surface on the leaf water potential, stomatal conductance and photosynthesis of lysimeter-grown soybean (Glycine...
Estimation of Diurnal Change in Leaf Water Potential of Melon through Leaf Greenness
Chlorophyll meter Diurnal change Leaf greenness Leaf water potential Melon(Cucumis melo L.)
2009/7/16
Estimation of Diurnal Change in Leaf Water Potential of Melon through Leaf Greenness.