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Leaf Emergence Rate and Temperature in Early and Late Spring Wheat Varieties
Accumulated temperature Double ridge stage Leaf emergence rate Leaf expanding degree Regression line
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2009/7/30
Spring wheat varieties, early Haruyutaka and late Selpek, were grown under field conditions to find the relation between leaf emergence rate and temperature. Fourteen sowings were made at two week int...
Grain Filling Mechanisms in Spring Wheat : II. Growth, accumulation and translocation in the daytime and at night during the four grain filling phases
Daytime and night time Grain filling phase Quantitative assessment of growth Regression analysis Spring wheat
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2009/7/30
The dry weights and water soluble sugar contents (WSC) in grain, ear, culm and leaves of the field grown spring wheat (cv. Haruyutaka) were measured every morning and evening throughout the grain fill...
Studies on Grain and Flour Quality of Wheat in the Tohoku District : 2. Effect of grain size on wheat quality
Brabender Grain size Koyukikomugi Milling Quality Wheat
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2009/7/30
The relationships between grain size and quality in wheat were investigated with Koyukikomugi from 1989 to 1991. In 1990/1991 experiment, Koyukikomugi was harvested at maturity by combine, and grains ...
Effects of Tillage on Along-Row Variability of Wheat and Maize Biomass
Minimum tillage Precision farming Semivariogram Spatial dependence
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2009/7/29
Spatial variability of wheat and maize biomass was studied under two tillage systems, minimum tillage (MT) and conventional moldboard plowing (CT). The above-ground biomass data were collected from 10...
Seasonal Profiles of Polarized Reflectance and Leaf Inclination Distribution of Wheat Canopies
LAI Leaf inclination angle Polarized reflectance Reflectance Solar zenith angle
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2009/7/29
Reflectance and polarized reflectance in the visible red band were measured for wheat canopies in a wide range of solar zenith angles to explore the relations among reflectance and polarization, view ...
Crop Production in Successive Wheat-Soybean Rotation with No-Tillage Practice in Relation to the Root System Development
Glycine max (L.) Merr. No-tillage Root length density Root distribution Soybean Triticum aestivum L. Wheat
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2009/7/29
To elucidate the effect of no-tillage practice on the root system development and productivity in a wheat-soybean rotation system in Japan, we continuously cultivated these crops under tilled and non-...
Identification of Random Amplified Polymorphic DNA and Simple Sequence Repeat Markers Linked to Powdery Mildew Resistance in Common Wheat Cultivar Brock
Powdery mildew resistance RAPD marker SSR marker Wheat
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2009/7/29
A total of 350 rapid amplified polymorphic DNA (RAPD) primers and 100 simple sequence repeat (SSR) primer pairs were screened to identify polymorphic markers associated with powdery mildew resistance....
Effects of a Reduction in Soil Moisture from One Month before Flowering through Ripening on Dry Matter Production and Ecophysiological Characteristics of Wheat Plants
Cytokinin Dry matter production Leaf nitrogen content Photosynthesis Root system Senescence Soil moisture Wheat
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2009/7/28
We found in the previous study that the wheat plants grown under relatively low soil moisture conditions (D plot) could attain heavier dry matter than the plants watered on the basis of average local ...
Response of Soybean,Sugar Beet and Spring Wheat to the Combination of Reduced Tillage and Fertilization Practices
Manure compost Nitrogen availability Reduced tillage SLA
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2009/7/28
To evaluate the feasibility of conservation tillage in combination with reduced biocide and fertilization regimes, we conducted a field experiment using conventional and reduced tillage, with or witho...
Studies on Grain and Flour Quality of wheat in Tohoku District : IV. Relation among grain and flour qualities in domestic and foreign wheat cultivars based on the hard and soft wheats
Ash Flour color Hardness Milling yield Protein Sedimentation value Wheat
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2009/7/28
Thirty Tonoku and 30 foreign wheat cultivars were grown under the same cultured condition, and grain and flour qualities were analyzed based on the hard and soft classification of wheats. Grain and fl...
Studies on Grain and Flour Quality of Wheat in Tohoku District : III. Milling characteristics of domestic and foreign wheat cultivars and classification for the hard and soft wheats
A flour rate Hardness Milling yield Specific Surface area
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2009/7/28
Thirty Tohoku and 30 foreign wheat cultivars were grown under the same cultivation condition and were analyzed about milling quality. Wheat cultivars were classified into the small group and the large...
Elongation and Branching of Seminal and Nodal Roots in Wheat Grown under Field Condition
Branching index Lateral root Nodal root Root system Seminal root Triticum aestivum L
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2009/7/28
Growth and development of seminal and nodal roots in wheat were examined. After the experimental site was plowed and fertilized, a Japanese wheat cultivar was planted. Root system distributed in the t...
Changes in Maximum Viscosity of Wheat Flour and the Relationship to climatic Conditions during Ripening
α-Amylase activity Calendar day Maximum viscosity Mean air temperature Precipitation Sunshine time
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2009/7/28
In order to study the relationship between climatic conditions and maximum viscosity (MV) in wheat flour, changes in MV and α-amylase activity by calendar day were investigated. Two winter and two spr...
Wheat Cultivar Differences in Photosynthetic Response to Low Soil Water Potentials : II. Maintenance of leaf turgor and relative water content
Cultivar difference Osmotic adjustment Photosynthesis Triticum aestivum L Turgor potential Water stress Wheat
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2009/7/27
The capacity for maintenance of turgor potential (ΨP) and relative water content (ξ) were examined in 16 wheat cultivars from different habitats with different agronomic drought resistance and differe...
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
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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...