搜索结果: 1-15 共查到“作物学 primary”相关记录17条 . 查询时间(0.127 秒)
Vegetation primary production estimation at maize and alpine meadow over the Heihe River Basin, China
Gross Primary Production Vegetation Photosynthesis Model Cropland Alpine meadow Light use efficiency Heihe River Basin
2013/9/2
The accurate estimation of Gross Primary Production (GPP) is an important issue in carbon cycle studies.In this study, GPP dynamic of two typical vegetation in Heihe River B...
Relationship between Main Stem and Primary Tillers in the Position of Lowest Elongated Internode of Deepwater Rice
Deepwater rice Elongation ability Internode elongation LEI NNEI Rice Stem growth
2009/8/6
One of the deepwater rice (Oryza sativa L.), cultivar. 'Habiganj Aman VIII' was used as materials. Elongation ability of deepwater rice is closely related to the phase change of the main stem from th...
Varietal Differences in Geotropic Response of Primary Seminal Root in Japanese Wheat
Agar medium Geotropic responses Primary seminal root Triticum aestivum
2009/8/6
Growth angles of inclination of primary seminal roots for 133 Japanese wheat varieties were examined in an agar medium. Germinated seeds were set on a 0.2% agar medium and the initial emergence direct...
Effect of Water Potential of Culture Medium on Geotropic Response of Primary Seminal Root in Japanese Wheat Cultivars
Geotropic response Primary seminal root Triticum aestivum Water potential
2009/8/4
It has been observed that wheat has a shallow root system in wet soil and a deep root system in dry soil. However, the control mechanisms of root growth depending on soil water status remain unclear. ...
A Method for Evaluating Spatial Distribution of Primary Roots in Rice
Growth direction Model Oryza sativa L Primary roots Rice Root system Spatial Distribution
2009/8/4
Growth direction of primary roots is a quite important factor determining distribution of a rice root system. Our group has developed and improved a method for estimating the growth direction of each ...
Studies on Heading Characteristics of Primary and Secondary Tillers in Rice(Oryza sativa L.) : I. Influence of leaf cutting on heading characteristics of primary and secondary tillers
Delayed heading Heading date Leaf cutting treatment Main stem Panicle initiation
2009/7/31
The purpose of this experiment was to identify the cause of the differences in the heading date and the time of panicle differentiation among individual tillers in a plant. Three varieties, Norin 1, N...
Root System Development of Japonica-Indica Hybrid Rice Cultivars:1. Number and elongation direction of primary roots
Elongation direction Japonica-Indica hybrid rice cultivars Primary root Rice Root Shoot unit
2009/7/30
To characterize the root system of the Japonica-Indica hybrid rice cultivars (Milyang 23, Suweon 258), we compared the number and elongation direction of primary roots both per stem and shoot unit bas...
Effects of Soil Water Condition on Root Development of Wheat Seedling with Special Reference to Branching of Primary Seminal Root
Branching Lateral root Nodal root Root system Seminal root Triticum aestivum L
2009/7/30
Effects of soil water stress on root development of winter wheat seedling was studied with special reference to elongation and branching of seminal roots. Japanese wheat variety Norin 61 was planted ...
Differences in Amylose Content, Amylographic Characteristics and Storage Proteins of Grains on Primary and Secondary Rachis Branches in Rice
Amylographic characteristics Amylose Glutelin Palatability Prolamin Rachis branch
2009/7/29
The amylose content, amylographic characteristics and storage proteins of milled rice grains on the primary and secondary rachis branches were investigated. The amylose content of grains on the primar...
Analysis of the Number of Spikelets per Panicle on the Main Stems, Primary and Secondary Tillers of Different Rice Genotypes Grown under the Conventional and Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density Practices
Cultivation practices Main stems Number of Spikelets Primary tillers Rice cultivars Secondary tillers
2009/7/29
The number and development of spikelets on a panicle directly affect the grain yield. In this study, we examined the differences among various rice cultivars in the number of spikelets per panicle (NS...
Morphological Studies on the Regularity of Shoot Development in Rice Plants : VI. The regular relationship between leaf primordia developments in the main shoot and primary tiller buds
Anatomy Differentiation Leaf primordium Oryza sativa L Plastochron Rice plant Shoot apex
2009/7/28
Rice cv. Koshihikari was seeded and grown for three years. Seedlings were dissected under a stereoscopic microscope for anatomical studies at the following stages; in n.1 age when the (n+1)-th lamina...
Nitrogen Content of Leaves Affects the Nodal Position of the Last Visible Primary Tiller on Main Stems of Rice Plants Grown at Various Plant Densities
Direct sowing Last visible primary tiller Leaf nitrogen content Nodal position Plant density Rice
2009/7/24
The nitrogen content of leaves in rice plants at various planting densities in the field and under high and low levels of nitrogen in pots were comparatively examined, and thereby the effect of the ni...
Localization of Casparian Bands and Crystal Cells in Relation to Aluminum Distribution in the Primary Root of Eddo under Aluminum Treatment
Aluminum Calcium oxalate crystal Casparian band Colocasia esculenta Eddo Oxalate Taro
2009/7/23
The primary roots of eddo (Colocasia esculenta (L.) Schott var. antiquorum Hubbard & Rehde) were treated with aluminum, and the localization of Casparian bands and crystal cells in relation to aluminu...
Varietal Difference in the Relationship between the Number of Panicles per Hill and the Number of Spikelets per Panicle on the Main Stems and on Primary and Secondary Tillers of Rice
Main stem Number of panicles Number of spikelets Rice plant Sink size Tiller Varictal difference
2009/7/16
Varietal differences in the number of panicles per hill and in the relationship between the number of spikelets per hill and the number of spikelets per panicle on each order tiller in the rice plant ...
Effect of the Suppression of Tiller Emergence on the Relationship between Seedling Density and Nodal Position of the Last Visible Primary Tiller in Direct Seeding Cultivation of Rice
Direct seeding Last visible primary tiller Leaf appearance Nodal position Rice Seedling density
2009/7/9
Studies on the correlation of seedling density with the nodal position of the last visible primary tiller on the main stem is necessary for modeling of crop growth and development, because the potent...