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Morphological and Anatomical Characteristics of 'MC Type' Rice (Oryza sativa L.) Seedlings of cv. Basmati 217
Coleoptilar node root Coleoptile Deep seeding Mesocotyl
2009/7/29
To clarify the morphological features and internal structure of shoot apex of MC seedlings, one of the rice seedlings type, in relation to agricultural significance, an Indian rice cultivar, Basmati ...
Comparison of Water Use Efficiency of Paddy Rice (Oryza sativa L.) among Locations and Interannual Variation in Humid Areas : 1. Reliability of estimated canopy transpiration rate from meteorological and physiological data of the crop
Canopy resistance Evapotranspiration Leaf area index Penman-Monteith method Rice Stomatal conductance
2009/7/29
The transpiration rate is affected not only by meteorological but also by physiological and structural factors of the crop. Our objectives were to develop a method of estimating the transpiration rate...
Characteristics of Mesocotyl and Internode Growth of Cultivated Rice (Oryza sativa L.) and Wild Taxa of Oryza
Ancestral species Coleoptile Core collection Internode elongation Mesocotyl Rice
2009/7/29
The characteristics of mesocotyl and internode growth of rice cultivars (Oryza sativa L.) and wild taxa of Oryza were investigated using the following cultivars and strains : (1) 260 IRRI's core coll...
Gas Exchange through the Slit between the Lemma and the Palea in the Rice (Oryza sativa L.) Floret before Anthesis
Anther dehiscence Anthesis Floret opening Gas exchange Respiration Rice (Oryza sativa L.) Starch decomposition
2009/7/29
Gas Exchange through the Slit between the Lemma and the Palea in the Rice (Oryza sativa L.) Floret before Anthesis.
Effect of Brassinolide Applied at the Meiosis and Flowering Stages on the Levels of Endogenous Plant Hormones during Grain-Filling in Rice Plant (Oryza sativa L.)
Abscisic acid(ABA) Brassinolide(BL) Ethylene Indoleacetic acid(IAA) Low temperature(L-temp) Milk-ripe stage Panicle Rice
2009/7/29
Brassinolide (BL), a brassinosteroid, applied to rice plants in pots promotes panicle ripening. In this study, we examined the effect of BL applied at the meiosis and flowering stages on endogenous le...
Pretreatment with a Low Concentration of Methyl Viologen Decreases the Effects of Salt Stress on Chloroplast Ultrastructure in Rice Leaves (Oryza sativa L.)
Ascorbate peroxidase Catalase Methyl viologen Oryza sativa Salt stress Superoxide dismutase Thylakoids Ultrastructure
2009/7/29
We investigated the effects of pretreatment with a low concentration of methyl viologen (MV) on the salinity-induced chloroplast degeneration in rice seedlings. The seedlings grown in hydroponic cultu...
Effects of Water-Saving Irrigation and Nitrogen Fertilization on Yield and Yield Components of Rice (Oryza sativa L.)
Nitrogen application Rice Sprinkler intermittent irrigation Water use efficiency
2009/7/29
The effects of nitrogen (N) application (32, 72 and 112 kg N ha-1 in 2000, and 32, 92 and 152 kg N ha-1 in 2001) and water-saving irrigation and their interaction on grain yield and yield components o...
Pretreatment with Antioxidants Decreases the Effects of Salt Stress on Chloroplast Ultrastructure in Rice Leaf Segments (Oryza sativa L.)
Antioxidants Chloroplasts Oryza sativa L. Salt stress Thylakoids Ultrastructure
2009/7/29
We investigated the kinds of active oxygen species leading to the destruction of chloroplast ultrastructure in salt-stressed rice plants. After the seedlings were grown for 3 wks, leaf segments (5 mm ...
Enhancement of Rice Leaf Photosynthesis by Crossing between Cultivated Rice,Oryza sativa and Wild Rice Species,Oryza rufipogon
Leaf photosynthesis Oryza rufipogon Oryza sativa Rice Rubisco Rubisco activase Wild rice species
2009/7/29
To study whether wild rice species have genes that may increase potential photosynthetic capacities of rice cultivars, we generated BC2 populations by reciprocally backcrossing Oryza rufipogon (W630)...
Relationships between Vascular Bundles of Panicle Neck Internode and Characters of Head under Different Planting Densities and Nitrogen Fertilizers Applied in Oryza sativa L.
Fertilizer Grains Large vascular bundles 0ryza sativa L Panicle neck internode
2009/7/28
Investigations were carried out on the characters of rachilets, grains and grain weight per panicle of the growing rice plant cv. Shimokita under different planting density and nitrogen fertilizer no...
Sterility of Thermo-Sensitive Genic Male Sterile Line,Heterosis for Grain Yield and Related Characters in F1 Hybrid Rice (Oryza sativa L.)
Dry matter F1 hybrid Grain yield Heterosis Sterility
2009/7/28
The thermo-sensitive genic male sterile (TGMS) T29s line was sterile when exposed to daily mean temperatures of 24.1°C or above during the critical stage (from 15 to 11 days before heading). It was co...
Morphological Characterization of the Seedlings of Short-root Mutant LM10 Selected from Rice (Oryza sativa L., cv. IR8)
Mutant Oryza sativa L Photomorphogenesis Rice Root Short-root
2009/7/27
We report the characterization of seedlings of LM10 which is one of the four short-root mutants derived from an M2 population of rice (Oryza sativa L., cv. IR8) seeds treated with NaN3. The morphologi...
Growing Patterns of Rice Plant (Oryza sativa L. cv. Koshihikari) Corresponding to Developmental Index to Produce Different Numbers of Spikelets
Developmental index Growing patterns Koshihikari Nitrogen content of plant Number of spikelets
2009/7/27
Plant length, tiller number and nitrogen content of rice plant (Oryza sativa L. cv. Koshihikari) having produced five different levels of spikelet numbers were computed by averaging data obtained in ...
Ultrastructure of Antipodal Cells of Rice (Oryza sativa) after Anthesis, as Related to Nutrient Transport in Embryo Sac
Antipodal cell Lobe-shaped nucleus Oryza sativa Ultrastructure Wall ingrowth
2009/7/27
In a rice embryo sac, there is an antipodal mass located at the opposite side of the micropyle, directly adjoining nucellar cells. Immediately after anthesis, the antipodal cells are characterized by...
Effects of Deep Water Treatment on the Growth of Culms and the Lodging Resistance in Japonica Type Paddy Rice (Oryza sativa L.) Cultivars
Breaking strength Deep water treatment Internode Lodging resistance Lysigenous aerenchyma
2009/7/27
We carried out this experiment to clarify the growth of culms of Japonica type rice cultivars under deep water conditions with special reference to lodging resistance of culms. We used four Japonica ...