搜索结果: 1-15 共查到“知识库 农学 Photosynthesis”相关记录73条 . 查询时间(0.078 秒)
Stomatal and mesophyll conductance are dominant limitations to photosynthesis in response to heat stress during severe drought in a temperate and a tropical tree species
High temperature Water deficit Water use efficiency Carbon exchange Vcmax
2023/12/6
Drought and heat stress cause a significant reduction in forest primary production. The current study aims to determine the major limitations to photosynthesis in a temperate and tropical tree species...
Promotive effects of 5-aminolevulinic acid on photosynthesis and chlorophyll fluorescence of tomato seedlings under suboptimal low temperature and suboptimal photon flux density stress – Short communication
protected culture Solanum lycopersicum environmental stress chemical substance carbon assimilation
2015/3/17
Effects of 5-aminolevulinic acid (ALA) on photosynthetic characteristics of tomato grown under suboptimal conditions were investigated to evaluate the potential value of ALA spraying in vegetables. Th...
The Effects of Excess Boron on Growth, Photosynthesis and Fruit Maturity of Tomato (Solanum lycopersicum L.) Grown in Hydroponic Culture
ethylene excess boron stress fruit development respiration
2010/11/24
To clarify a critical concentration of excess boron (B) in nutrient solution for hydroponically cultured tomato, the influences of excess B on growth, photosynthesis and fruit maturity were investigat...
Effects of JM1, JM 7, JM 8 and M.9 Rootstocks on the Photosynthesis Rate of Apple Tree Leaves
drought stress dwarfing rootstock midday depression of photosynthesis stomatal conductance
2010/11/24
This study investigated how leaf net photosynthesis and growth of trees of ‘New Jonagold’ apple (Malus domestica Borkh.) trees vary according to rootstocks: JM1, JM7 and JM8 (M. prunifolia Borkh. var....
Single Leaf Photosynthesis of Rice Plants under Field Conditions:IV. Variation in single-leaf photosynthesis among several successive days, and the interactive effects of irradiance and stomatal conductance on CER
Evaporation rate Light intensity at the leaf surface Light saturation point Rice plants Single-leaf photosynthesis
2009/8/6
(1) Variations in single-leaf photosynthesis (CER) among days: CER under saturation light intensity at nearly the same time of several successive days were examined, at three growth stages. (i) CER va...
Single Leaf Photosynthesis of Rice Plants under Field Conditions:III. Variation in single-leaf photosynthesis with time of day and its physiological base
Degree of depression in CER Evaporation rate Leaf positions Rice plants Single-leaf photosynthesis
2009/8/6
Under field conditions, the photosynthetic rate of single leaves (CER) declined with time of day even in the case where light intensity at the leaf surface was kept higher than the saturation point. T...
Relation between the Depression of Photosynthesis by Low Night Temperature and the Root Activity of Rice Plant
Low night temperature Paddy rice Photosynthesis Root respiration Specific leaf area
2009/8/6
Five rice cultivars, three Japonica and two hybrids of Japonica-Indica, were grown in pots to examine the influence of low night temperature (10°C) on photosynthesis and transpiration during the perio...
Interaction of Nitrogen Supply and Soil Water Stress on Photosynthesis and Transpiration in Rice
Nitrogen supply Oryza sativa L Photosynthesis Rice Stomata Water stress Water use efficiency
2009/8/6
The purpose of this study is to determine if there is an interaction of nitrogen nutrition and water stress on apparent photosynthesis (APS), transpiration (Tr), and water-use efficiency in rice (Oryz...
Single Leaf Photosynthesis of Rice Plants under Field Conditions:II. Individual variations in single-leaf photosynthesis and the physiological basis for it
Bleeding rate Rice plants Single-leaf photosynthesis Stomatal conductance
2009/8/6
A group of leaves, each of which was situated at the equivalent position on a stem (for instance, the second leaf counted from the uppermost fully expanded leaf of each stem), were chosen and their i...
Single Leaf Photosynthesis of Rice Plants under Field Conditions:I. Aspects of single-leaf photosynthesis and the regulating factors
Field conditions Light saturation point Photosynthesis-regulating factor Rice plants Single-leaf photosynthesis
2009/8/6
Single-leaf photosynthesis in situ were observed under field conditions and the regulating factors investigated. The light intensity at the leaf surface was shown to act as the leading factor. Howeve...
Adaptive Regulation of Photosynthesis in Rice Plant to Weak Light Condition and the Contribution of Root Activity to Regulation Mechanism
Dark respiration Dry matter production Nitrogen absorption Photosynthesis Rice plant Root respiration
2009/8/6
Three cultivars of rice plants were grown in pots in a shading frame of 50% light intensity and on shadowed place at high altitude of 303m in hillside during the different period from tillering to ear...
Interactive Effects of Soil Water Regime with Above-Ground Conditions on Photosynthesis in Wheat Plants:II. Combined effects of soil water deficit with low air humidity
Humidity Leaf position Photosynthesis Ribulose 1 5-bisphosphate carboxylase/oxygenase
2009/8/6
Effects of soil water deficit, low air humidity and in combination were examined at the milky stage under controlled conditions. Low air humidity which plants experienced prior to measurement affected...
Effect of Accumulated Nonstructural Carbohydrates on Photosynthesis of Rice Leaves
Feedback inhibition Nonstructural carbohydrate Photosynthesis Rice plant Sink-source relation
2009/8/6
Effect of Accumulated Nonstructural Carbohydrates on Photosynthesis of Rice Leaves.
Effects of Water Deficit on Photosynthesis in Wheat Plants:VI. Capacitance and resistance of transpiratory water flux in different plant parts
Electric analogue Leaf water potential Photosynthesis Soil water deficit Stomata Triticum aestivum L
2009/8/5
In order to explore the physiological basis for the difference among plant parts in photosynthetic depression by soil water dieficit, the tissue water status was examined by using an electric circuit ...
Characteristics of Dry Matter Production Process in High Yielding Rice Varieties : III. Comparisons of leaf photosynthesis
Ageing Diffusive conductance High yielding rice variety Leaf chlorophyll content Leaf nitrogen content
2009/8/5
The difference of dry matter production process among the rice cultivars was previously reported with reference to light intercepting characteristics. This study was conducted to determine if the sing...