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Ultrastructure of Inoculated Anthers in Relation to the Frequency of Induction of Pollen Callus in Anther Culture of Oryza sativa L
Anther Culture Oryza sativa L Rice Ultrastructure
2009/8/6
The formation of pollen callus was induced when rice anthers, which contained microspores in the mid-uninucleate and late-uninucleate stage, were cultured. The ultrastructure of the microspores was al...
Effects of Different Rhizosphere Sizes on the Growth, Distribution Patterns and Utilization of Nitrogen Fertilizers of Different Varieties of Rice Plants(Oryza Sativa L.)on the Same Hill
Inter-hills competition Oryza Sativa L Partition of Nitrogen
2009/8/6
In order to clarify the inter-hill competition at the maturing stage. Using the tracer 15N method. The growth characteristics of rice plants (Oryza Sativa L., cv. Suweon no. 258 and TKM-6) grown in po...
Effects of Different Rhizosphere Sizes on the Growth, Distribution Patterns and Utilization of Nitrogen Fertilizer in Rice Plant(Oryza Sativa L.)
Oryza sativa L Recovery of Nitrogen Rhizosphere Size
2009/8/6
This study was carried out to clarify the effect of controlled rhizophere sizes on various characteristics of each organ at the heading and maturing stage in paddy rice plants (Oryza sativa L., cv. N...
Tillering Behavior in Oryza sativa L:IV. Effects of temperature on the tillering behavior
Growth Growth analysis Relative tiller position Synchronous growth Temperature Tiller Tillering
2009/8/6
In the previous three papers, we have obtained the methods of growth analysis about the tillering behavior of a rice plant. Using the methods, the temperature effects were investigated in the present ...
Tillering Behavior in Oryza sativa L:III. The pattern and the relative rate of increase in tiller number
Exponential curve Growth analysis Growth curve Logistic curve Relative rate Synchronous growth Tiller
2009/8/6
The properties of the growth curves of the tiller number per plant in case of the single-planted rice plants in a pot culture were investigated. The tiller number increased with time, and the pattern ...
Tillering Behavior in Oryza sativa L.:VIII. Relationship between the tillering position on the stem and the final leaf number of each tiller
Flag leaf Nodal position of tiller Number of leaves Relative leaf position Relative tiller position
2009/8/6
Using two types of nodal position of tiller development (counted acropetally from base and basipetally from panicle), relationships between the nodal position of tiller development and the final numbe...
Character Expression of the Semidwarfing Gene sd-1 in Rice (Oryza sativa L.):II. Appearance and development of tillers
Near isogenic line Nitrogen fertilizer Rice (Oryza sativa L.) Semidwarfing gene Tiller development
2009/8/6
Gene expression in tiller development by the semidwarfing gene sd-1 was studied under two different nitrogen levels. A Japonica tall variety Norin 29, its semidwarfing near isogenic line SC-TN 1, and ...
Variation in Seedling Growth within a Rice (Oryza sativa L.) Cultivar and Its Effect on Seedling Salt Tolerance Evaluation
Embryo weight Rice cultivar/line Salt tolerance Seedling growth
2009/8/6
The variation of seedling growth, which may affect seedling salt tolerance, of 12 rice cultivars was examined based on the pattern of seedling fresh weight histogram. Some cultivars showed a normal di...
Character Expression of the Semidwarfing Gene sd-1 in Rice(Oryza sativa L.):1. Effects of nitrogen levels on the expression of some agronomic characteristics
Rice ( 0ryza sativa L.) Character expression Nitrogen fertilizer Isogenic line Semidwarfing gene
2009/8/5
Two experiments were carried out to analyze the expression of some agronomic characteristics by semidwarfing gene sd-1, which has played an important role in improvement of rice productivity per area....
Classification of Asian Deepwater Rice (Oryza sativa L.) and African Deepwater Rice(O. glaberrima Steud.)Based on the SDS-PAGE Analysis of Seed Proteins
African rice Deepwater rice O. glaberrima Steud SDS-PAGE analysis
2009/8/5
Classification of Asian Deepwater Rice (Oryza sativa L.) and African Deepwater Rice (O. glaberrima Steud.) Based on the SDS-PAGE Analysis of Seed Proteins.
Growth Response of Rice (Oryza sativa L.) to Drought:II. Varietal difference in transpiration under water stress and its related plant characteristics
Drought tolerance Humidity Leaf-water content Rice Sugar content Transpiration Varietal
2009/8/5
Transpiration of a rice plant under a low water potential of rooting medium and low air-humidity conditions was studied in order to evaluate varietal difference in response to water stress. Water stre...
Effects of Inabenfide on the Formation of Branch Roots in Rice Plants(Oryza sativa L.)
Branch roots Growth regulator Inabenfide Rice Root
2009/8/5
Two separate effects of Inabenfide on the formation of branch roots in rice plants (Oryza sativa L.) were investigated, using a special apparatus constructed with a Wagner pot (1/2000 a) divided into ...
Fluctuation of Ethylene Production in Excised Panicles and Flag Leaf Blades during Grain Ripening in Rice (Oryza sativa L.)
Ethylene production Flag leaf blade Milk-ripe stage Oryza sativa L Panicle Plant growth regulator
2009/8/4
Ethylene production and its fluctuation in panicles and flag leaf blades in the rice plant (Oryza sativa L.) during the grain ripening stage were examined. The effect of plant growth regulators (grow...
Responses of Dry Matter Production and Photosynthesis in Oryza glaberrima Steud. and Oryza sativa L. Introduced from West Africa to the Concentrations of Culture Solution
Africa Dry matter production Fertilizing effect Oryza glaberrima Steud Oryza sativa L
2009/8/4
To elucidate the dry matter productivity of O. glaberrima introduced from West Africa, the responses of several main growth parameters and photosynthetic rate to fertilizing levels were compared with ...
Light Microscopic Observations on Pollen and Anther in Rice (Oryza sativa L.):II. Stages from early microspore to mature pollen
Development Germ pore Light microscopy Microspore Mitosis Pollen
2009/8/4
Development of pollen cells as well as the fate of tapetal cells were studied by the glycol methacrylate semithin method for light microscopy. Sections including artificially produced images of pollen...