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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...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : VI. Effect of ambient humidity on the photosynthetic rate of a rice plant population model
Leaf temperature Photosynthetic rate Population Relative humidity Rice Stomatal aperture
2009/8/6
The effect of ambient humidity on the photosynthetic rate of a rice plant population model (area: 120×60 cm, Planting density: about 40 plants/dm2, leaf area index: 6∼7, plant height: about 30 c...
Participation of Air Humidity and Water Uptake Ability in the Appearance of Cyclic Changes in the Rates of Photosynthesis and Transpiration of Peanut Plants
Air humidity Arachis hypogaea Net photosynthetic rate Stomatal oscillation Transpiration rate
2009/8/5
Factors causing the cyclic changes in the rates of net photosynthesis and transpiration of peanut plants were examined. In order to clarify the relationship between the transpiration demand and the o...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : VII. Effect of ambient humidity on the growth and dry matter production at various temperatures
Dry matter production Photosynthetic rate Relative humidity Rice
2009/8/5
The effect of relative humidity (RH) on the growth and dry matter production of rice seedlings was investigated at the early vegetative stage. Plants were grown for 10 days under 60 or 90% RH at 12-hr...
Physiological Response to Salinity in Rice Plant : I. Relationship between Na+ uptake and transpiration under different humidity and salinity conditions
CO2 diffusive resistance Ion uptake Leaf water content Na+ content
2009/8/4
Using two varieties, KR1 (salt-tolerant variety) and IR28 (salt-sensitive variety), relationship between Na+ uptake and transpiration under different humidity and salinity conditions was examined. The...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : IX. Effects of water stresses induced by low humidity and the addition of polyethylene glycol to the medium on growth
Dry matter partitioning ratio Polyethylene glycol 6000 Relative humidity Rice T-R ratio
2009/7/30
Rice seedlings were grown on a medium containing polyethylene glycol (PEG), which lowers the osmotic potential of the medium under high humidity, or on a medium containing no PEG under a low humidity,...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : X. Effect of ambient humidity on the translocation of assimilated 13C in leaves
Photosynthetic product Relative humidity Rice Translocation
2009/7/27
^<13>C-labelled CO2 was fed to rice seedlings for 60 min in the light under low (60%) or high (90%) humidity. The amount of 13C assimilated by the leaves under high humidity was much greater than that...
High Temperature-Induced Spikelet Sterility of Japonica Rice at Flowering in Relation to Air Temperature, Humidity and Wind Velocity Conditions
Flowering stage High temperature Japonica rice Pollination Spikelet sterility
2009/7/23
Although the impact of anticipated global warming on regional rice production merits intensive investigation, quantitative information regarding the effects of high temperatures on japonica rice is li...
Studies on the Effect of the Relative Humidity of the Atmosphere on the Growth and Physiology of Rice Plants : Effects of ambient humidity in the dark period on the growth and the translocation of 13C-labelled photosynthetic products
13CO2 feeding study Photosynthetic product Relative humidity Rice Translocation
2009/7/21
Rice seedlings(age in leaf number of 3)were grown for 10 days at 75% relative humidity in the light period(12-hr)and at 60, 75, or 90% humidity in the dark period(12-hr)Dry matter production of the pl...
Differences in the Morphophysiological Response to Atmospheric Humidity between Paddy and Upland Rice
Stomatal density Transpiration Paddy rice Atmospheric humidity
2009/7/9
The effects of atmospheric humidity on vegetative growth of paddy and upland rice were compared. A low atmospheric humidity (60%RH) significantly decreased the dry-matter production in paddy rice but...
Effects of High Temperature and High Humidity during the Flowering Period on Spikelet Fertility in Japonica Rice
High temperature–induced spikelet sterility Relative humidity Pollination Japonica rice Varietal difference
2009/7/8
The varietal differences in the effects of high temperature and high humidity on the spikelet fertility of japonica rice cultivars were investigated. We constructed an apparatus that could control air...
Effect of Relative Humidity and Sucrose Concentration on Leaf Injury and Vase Life during Sucrose Pulse Treatment in Cut Eustoma Flowers
rate of max open florets sucrose absorption
2009/7/8
Pulse treatment with sucrose extends the vase life of cut Eustoma flowers, but leaf injury is sometimes observed following this treatment. To investigate the factors causing leaf injury, cut ‘Mira Cor...
Effect of Inoculation of Bacteria,Contact of Calycles with the Pericarp and Humidity on the Incidence of Warty Fruit in Okra (Abelmoschus esculentus Moenc
fungicide high humidity condition pubescence removal of caly
2009/7/6
This study was carried out to investigate the effect of inoculation of bacteria, contact of caly with the pericarp and high humidity on the incidence of warty fruit of Okra (Abelmoschus esculentus Moe...