搜索结果: 1-15 共查到“农学 Photosynthetic”相关记录69条 . 查询时间(0.062 秒)
Coupling Photosynthetic Measurements with Biometric Data to Estimate Gross Primary Productivity (GPP) in Mediterranean Pine Forests of Different Post-Fire Age
Pinus brutia carbon fluxes leaf area index light response curve conifer forests
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2023/12/15
Quantification of forest Gross Primary Productivity (GPP) is important for understanding ecosystem function and designing appropriate carbon mitigation strategies. Coupling forest biometric data with ...
Photosynthetic capacity, nutrient and water status following precommercial thinning in Anatolian black pine
Needle nitrogen Photosynthetic rate Soil moisture Thinning intensity Xylem water potential
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2024/2/29
Changes in gas exchange, photosynthetic pigments, midday xylem water potential (Ψmd) and needle nutrient status of the trees and environmental conditions following precommercial thinning (PCT) in the ...
Evaluation of O3 Effects on Cumulative Photosynthetic CO2 Uptake in Seedlings of Four Japanese Deciduous Broad-Leaved Forest Tree Species Based on Stomatal O3 Uptake
Japanese deciduous broad-leaved trees net photosynthetic rate net primary production stomatal
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2024/3/8
The current level of tropospheric ozone (O3) is expected to reduce the net primary production of forest trees. Here, we evaluated the negative effects of O3 on the photosynthetic CO2 uptake of Japanes...
INFLUENCE OF SKY CONDITIONS ON ESTIMATION OF PHOTOSYNTHETIC PHOTON FLUX DENSITY FOR AGRICULTURAL ECOSYSTEM
PPFD PAR Solar radiation PAR fraction Quantum-to-energy ratio Diffuse ratio Clearness index Sky conditions
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2018/5/16
Photosynthetic photon flux density (PPFD: μmol m−2 s−1) is indispensable for plant physiology processes in photosynthesis. However, PPFD is seldom measured, so that PPFD ...
The effect of salinity and high boron on growth, photosynthetic activity and mineral contents of two ornamental shrubs
boron toxicity NaCl laurustinus metrosideros chlorophyll fluorescence
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2015/3/17
Simultaneous salinity and boron (B) excess often occur due to irrigation with water containing high levels of salts, including B. The effects of excess of NaCl and B in the nutrient solution on some a...
Photosynthetic response to different light intensities and water status of two main Nothofagus species of southern Patagonian forest, Argentina
Nothofagus shade photosynthesis
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2015/3/16
Net photosynthetic rate (A) and stomatal conductance (gs) of leaves of Nothofagus pumilio and N. an-tarctica seedlings were measured at different photosynthetic photon flux densities (PPFDs, 20, 150, ...
Non-linear mixed-eff ects modeling for photosynthetic response of Rosa hybrida L. under elevated CO2 in greenhouses – Short communication
miniature rose irradiance response curve
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2015/3/4
Photosynthetic response to light was measured on the leaves of two cultivars of Rosa hybrida L. (Escimo and Mercedes)
in the greenhouse to obtain light-response curves and their parameters. Th e aim...
Water translocation between ramets of strawberry during soil dry in gand its effects on photosynthetic performance
Water translocation between ramets of strawberry soil dry photosynthetic performance
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2015/2/5
To explore the mechanisms underlying water regulation in clonal plants and its effects on carbon assimilation under water stress, we studied the responses of water status, gas exchange and abscisic ac...
Gradients of the content of photosynthetic pigments and radiation as manifestations of the health condition of Norway spruce (Picea abies [L.] Karst.)
chlorophyll carotenoids radiation transmittance health condition Picea abies (L.) Karst.
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2015/2/2
The paper deals with the health condition of sample trees of Norway spruce (Picea abies [L.] Karst.) on the basis of the distribution and quantity of chlorophyll a + b and carotenoids with respect to ...
Pepper plants growth, yield, photosynthetic pigments, and total phenols as affected by foliar application of potassium under different salinity irrigation water
Diluted Sea Water Potassium Mono Phosphate
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2013/2/28
Irrigation with high salinity water influences plant growth, production of photosynthetic pigments and total phenols, leading to reduction in crop yield and quality. The objective of this study was to...
Eff ects of the red:far-red light ratio on photosynthetic characteristics of greenhouse cut Chrysanthemum – Short communication
chrysanthemum R:FR LED
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2015/3/19
For the use of LED as a light source to regulate the photosynthesis of chrysanthemum leaves under greenhouse conditions, the eff ects of diff erent red (660 ± 30 nm) to far-red (730 ± 30 n...
Effect of glycinebetaine on proline, water use, and photosynthetic efficiencies, and growth of rice seedlings under salt stress
Glycinebetaine growth photosynthesis proline rice salt stress
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2010/10/29
The aim of this investigation was to improve salt tolerance abilities prior to rice crop harvesting, including proline accumulation, pigment stabilization, water use efficiency (WUE), photosynthetic e...
Photosynthetic Characteristics of Highbush Blueberry and Rabbiteye Blueberry in Phytotron
interspecific difference light intensity temperature transpiration rate water use efficiency
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2010/11/24
Photosynthetic characteristics measured with the leaves of ‘Weymouth’ highbush blueberry (Vaccinium corymbosum L.) and ‘Tifblue’ rabbiteye blueberry (V. ashei Reade) in phytotron were compared with re...
Varietal Differences in Photosynthetic Rates in Rice Plants,with Special Reference to the Nitrogen Content of Leaves
Nitrogen content Photosynthetic rate Rice variety Rubisco content Stomatal conductance
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2010/3/4
The photosynthetic rate in the flag leaf of rice at the full heading stage was examined in three japonica varieties, Koshihikari, Aikoku and Asanohikari, and the indica high-yielding variety Takanari ...
Seasonal Changes in the Photosynthetic Capacity of Spur Leaves in Japanese Pear
cultivation in a plastic house fruit load mesophyll conductance open field culture
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2010/11/23
Seasonal changes in the light-saturated photosynthetic rate (photosynthetic capacity) were investigated for spur leaves of Japanese pear, using a portable open-chamber instrument. Preliminary tests de...