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Dissipation dynamic of quintrione in rice plants and terminal residue in rice straw, grain and soil
high-performance liquid chromatography-tandem mass spectrometry dissipation dynamic quintrione rice plant soil residue
2020/4/20
二氯喹啉草酮是经中国农业农村部批准登记的茎叶处理除草剂，迄今为止对其潜在的环境污染尚未见报道。本研究建立了一种采用QuEChERS前处理方法结合高效液相色谱-串联三重四极杆质谱 (HPLC-MS/MS) 联用技术检测二氯喹啉草酮在水稻植株、稻谷和土壤中残留的方法，并采用该方法测定了二氯喹啉草酮在水稻植株中的消解动态和最终残留。结果表明：二氯喹啉草酮的进样质量浓度与其峰面积间呈良好的线性相关，R2>...
Physiological mechanisms underlying OsNAC5-dependent tolerance of rice plants to abiotic stress
Abiotic stress Abscisic acid Arabidopsis Oryza OsNAC5 Seed germination
2015/2/5
To understand the functions of transcription factor OsNAC5 in response to abiotic stress, we generated transgenic rice plants with knockdown OsNAC5 by RNAinterfered (RNAi) and overexpressing OsNAC5, a...
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
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 ...
Varietal Difference in Nitrogen Response of Rice Plants with Special Reference to Growth Duration
Growth duration Nitrogen response Rice variety
2009/8/6
Potential sink size was correlated with plant nitrogen (N) at late stage of spikelet initiation and flowering, and with growth duration (GD) in DS and WS. The amount of N in plant at critical growth ...
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:IV. Effects of the starting time of cooling, morning and evening, and the soil temperatures and the light conditions after cooling on the fertility
Cool temperature Diurnal variation Flowering stage Rice Sterility
2009/8/6
Effect of the starting time of cooling at the flowering stage together with the effects of water temperatures and light conditions after cooling on the fertility percentage were examined. The fertilit...
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...
Growth Correlations among Root Number, Root Diameter and Stem Diameter in Some Cultivars of Rice Plants
Growth Correlations Root Number Root Diameter Stem Diameter Rice Plants
2009/8/6
Growth Correlations among Root Number, Root Diameter and Stem Diameter in Some Cultivars of Rice Plants.
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...
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...
Effect of Gibberellin on Spikelet Organogenesis in Rice Plants under Different Treatment of Nitrogen Top-dressing
Gibberellin Nitrogen top-dressing Organogenesis Pistillody Rice Spikelet Young-panicle differentiation
2009/8/6
The effect of nitrogen top-dressing (ntd) on the gibberellin (GA3, GA) - induced abnormality of spikelets was investigated during the two years, 1986 and 1987, with using the rice cultivar Sachikaze. ...
Growth Regulating Action of Isoprothiolane in Plants:IV. Effect of isoprothiolane on translocation of photosynthetic products in rice plants during the reproductive stage
Autoradiography Inferior rachis-branch Isoprothiolane Rice (Oryza sativa L.)
2009/8/6
To determine the promotive effect of isoprothiolane (diisopropyl-1, 3-dithiolan-2-ylidenemalonate, IPT) on ripening in rice plant (Oryza sativa L., cv. Nipponbare), 14C-tracer studies after 14CO2 assi...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants : XXIX. The mechanism of enhancement in cool tolerance by raising water temperature before the critical stage
Cool injury Cool tolerance Microspore Pollen Rice Sterility Water temperature
2009/8/6
Potted rice plants were grown in the phytotron with different water temperatures in a range from 18 to 25°C during the period from the spikelet differentiation stage to just before the young microspor...