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《Adoption and diffusion of modern rice varieties in Bangladesh and eastern India》（图）
Adoption and diffusion modern rice varieties in Bangladesh eastern India M. Hossain W.M.H. Jaim T.R. Paris B. Hardy
2013/11/20
Rice is the most important food crop, particularly for India and Bangladesh, which rank second and fourth, respectively, among the rice-producing countries in the world. The Green Revolution, through...
《Patterns of adoption of improved rice varieties and farm-level impacts in stress-prone rainfed areas in South Asia》（图）
Patterns of adoption of improved rice varieties farm-level impacts in stress-prone rainfed areas in South Asia S. Pandey D. Gauchan M. Malabayabas M. Bool-Emerick B. Hardy
2013/11/20
Widespread and persistent poverty in Asia is a longstanding problem, particularly in rainfed ecosystems. Rice is dominant in these areas because it is the only crop that can be grown in the wet season...
Radio sensitivity studies of morpho-physiological characteristics in some Iranian rice varieties (Oryza sativa L.) in M1 generation
Gamma ray rice mutation morpho-physiological characteristics
2011/1/12
Gamma (γ) ionizing ray is a physical mutagen, producing variation in crop improvement and employing such as a complementary tool in breeding process. The γ-ray dosages are a critical issue, so it shou...
Genetical Studies on Germination of Seed and Seedling Establishment for Breeding of Improved Rice Varieties Suitable for Direct Seeding Culture
Oryza sativa L. quantitative trait loci marker-assisted selection
2009/9/9
For the introduction of low temperature germinability (LTG)，seed longevity and accelerated coleoptile growth derived from foreign varieties to Japanese elite varieties to breed rice varieties for dire...
Flowering and Ripening of Aman Rice Varieties in Fukuoka
Aman rice Flowering Japonica rice Leaf emergence rate Lowest elongated internode
2009/8/6
Flowering and Ripening of Aman Rice Varieties in Fukuoka.
Characteristics for the Efficiency of Spikelet Production and the Ripening in High-Yielding Japonica-Incdica Hybrid and Semidwarf Indica Rice Varieties
Efficiency of spikelet production High-yielding ability Japonica-indica hybrid rice Japonica rice Percentage of ripened grains
2009/8/6
Three high-yielding japonica-indica hybrid (JIH) and semidwarf indica (SDI) rice varieties, and ten japonica (J) rice varieties, including different plant types, were cultivated under sparse (30×30 cm...
Characteristics of Dry Matter Production Process in High Yielding Rice Varieties:IV. Dry matter accumulation in the panicle
Dry matter production Harvest index High yielding variety Reserve carbohydrate Rice plant
2009/8/6
In order to clarify the characteristics of high yielding rice varieties, total dry matter production, yield and harvest index were compared in 1988 and 1989 among the two early and three medium variet...
Characteristics of Dry Matter Production Process in High Yielding Rice Varieties : III. Comparisons of leaf photosynthesis
Ageing Diffusive conductance High yielding rice variety Leaf chlorophyll content Leaf nitrogen content
2009/8/5
The difference of dry matter production process among the rice cultivars was previously reported with reference to light intercepting characteristics. This study was conducted to determine if the sing...
Relation of Number of Spikelets per Panicle to the Characteristics of Shoot and the Size around Growing Point at Panicle Initiation Stage in Rice Varieties
Internode diameter Number of differentiated spikelets Number of spikelets per panicle Rice
2009/8/5
The relationships between number of spikelets per panicle and the characters of shoot and the size around growing point at panicle initiation stage were studied with the rice varieties bearing much d...
Studies on Palatability of Rice in Northern Kyushu:IV. Stability of palatability in rice varieties and cropping locations
Finlay-Wilkinson's method Location Palatability Performance tests for recommended varieties
2009/8/5
The stability of rice varieties as regards palatability values was studied by analysis of variance and Finlay-Wilkinson's method, using 9 varieties grown in Northern Kyushu. Variance between years for...
Characteristics of Dry Matter Production Process in High Yielding Rice Varieties:V. Model simulation of canopy photosynthesis
Canopy photosynthesis Canopy structure Crop growth rate Dry matter production High yielding rice variety
2009/8/4
Canopy photosynthesis was simulated by using the modified Horie's model (1981) on the basis of measured canopy structure (Fig. 1), light intercepting characteristics (Fig. 2, 3, 4, Table 1) and leaf p...
Analytical study on the high yielding characteristics of the rice varieties with reference to matter production and photosynthesis
high yielding characteristics of the rice varieties matter production photosynthesis
2009/8/4
Analytical study on the high yielding characteristics of the rice varieties with reference to matter production and photosynthesis.
Characteristics of Dry Matter Production Process in High-Yield Rice Varieties:VI. Comparisons between new and old rice varieties
Dry matter production Harvest index High-yield variety Light extinction coefficient New and old varieties Rice plant Single-leaf photosynthesis
2009/8/4
Differences in yield, dry matter production, and harvest index between new (registered after 1955) and old (before 1940) Japanese rice varieties were examined with reference to light-intercepting char...
Lowering of Eating Quality Induced by Sterility due to Cool Weather Damage in Hokkaido Rice Varieties
Amylose content Cool damage due to floral impotency Eating quality Protein content Rice plant
2009/8/4
Sterility was induced by low temperature at the booting stage in early maturing varieties in 1986, and in medium and late varieties in 1987, particularly in the varieties without cool tolerance at Hok...
Characteristics of Dry Matter Production and Partitioning of Dry Matter to Panicles in High Yielding Semidwarf Indica and Japonica-Indica Hybrid Rice Varieties
Dry matter production Harvest index Japonica-indica hybrid variety Panicle weight Rice plant
2009/7/28
A field experiment was carried out to investigate the dry matter production characteristics before and after heading, the partitioning of dry matter to panicles, and some related factors in high yield...