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Genetic Studies of Two QTLs for Rice Stripe Resistance Identified in Japanese Upland Rice Line, Kanto 72
near-isogenic lines quantitative trait loci rice breeding
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2010/10/25
Quantitative trait locus (QTL) analysis was performed to identify the chromosomal region controlling rice stripe virus (RSV) resistance in Japanese upland rice, Kanto 72. As a result, two QTLs were de...
QTL Analysis for Yield Related Traits Using Populations Derived from an indica-japonica Hybrid in Rice
rice pleiotropic effect alien introgression Sequence Tagged Site
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2014/3/11
Introgression has been achieved from a wild species Oryza minuta (2n = 48, BBCC, Acc No.101141)
into O. sativa subsp. indica IR71033-121-15. This introgression line was developed at International Ri...
Effect of the size of perforated screen and blade-rotor clearance on the performance of Engleberg rice whitener
Paddy milling rice breakage rice whitener Engleberg whitener
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2011/1/11
An experiment was conducted to study the effects of two engineering factors on the performance of Engleberg rice whitener as the most common machine for rice milling in the North of Iran. Three levels...
Effects of Rice Husk Charcoal Covering on the Qualities of Lettuce Plug Seedlings under Organic Fertilization during the Cool Season
growth nitrogen uptake organic cultivation
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2010/11/24
The effects of a rice husk charcoal (RHC) covering on the growth, nitrogen uptake and post-transplant growth were investigated in lettuce plug seedlings under organic fertilization during the cool sea...
Evaluation of fertilizing schemes for direct-seeding rice fields in Taihu Lake Basin, China
Rice direct-seeding fertilizing scheme nitrogen loss
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2010/2/24
Field experiments were performed to identify an effective fertilizing scheme for direct-seeding rice (DSR) fields in the Taihu Lake Basin in east China. Based on local traditions, 3 typical fertilizin...
Nitrogen Uptake by Cover Crops and Inorganic Nitrogen Dynamics in Andisol Paddy Rice Field
Cover crop Paddy field Nitrogen
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2010/12/2
Paddy field rice can conserve N in the soil under flooded conditions. However, residual soil N represents a potential environment concern when fields are no longer flooded. Winter annual grass cover c...
GENETIC DIVERGENCE ANALYSIS FOR CERTAIN YIELD AND QUALITY TRAITS IN RICE (Oryza sativa L.) GROWN IN IRRIGATED SALINE LOW LAND OF ANNAMALAINAGAR, SOUTH INDIA
Cluster analysis morphological character grain quality
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2010/12/8
Genetic diversity among twenty six genotypes of rice genotypes from four states of South Eastern Region of India was evaluated using Mahalanobis D2 statistic. The experimental materials were evaluated...
Effect of Organic Sources and Urea on N Transformation and Yield of Lowland Rice Grown in Clay Loam Soil
N forms yield organics urea NUE rice
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2010/11/15
Field experiments were conducted during Kharif 2006 and 2007 in clay loam soil to study the
effect of organic sources and urea on N transformation and yield of rice. The treatments consisted of addit...
Genotypic Variation in Ability to Recover from Weed Competition at Early Vegetative Stage in Upland Rice
Improved cultivar Laos Recover from weed competition Slash-and-burn Traditional cultivar Upland rice
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2010/3/4
In northern Laos, weeds are a major constraint to upland rice production in slash-and-burn systems. Two experiments were conducted to assess genotypic variation in ability to recover from weed competi...
High-yielding Crop Management by Enhancing Growth in Reproductive Stage of Direct-Seeded Rainfed Lowland Rice (Oryza sativa L.) in Northeast Thailand
Biomass production Growth duration Nitrogen uptake Reproductive stage
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2010/3/4
The crop management in direct-seeded rice to promote growth during the reproductive stage was evaluated in weed-controlled toposequentially intermediate fields in a small watershed in Northeast Thaila...
Path Analysis of Tiller Density of Winter Wheat Demonstrates the Importance of Practices that Manipulate Clod Size Based on Soil Moisture at Seeding in the Rice–Wheat Cropping System
Emergence depth Seeding rate Seedling establishment ratio Site-specific management Tiller
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2010/3/4
The moisture of paddy soil after rice cropping is a major impediment to the establishment, tillering and yield of winter wheat in the rice−wheat (R−W) cropping system. We examined the seed...
Biomass Production and Lodging Resistance in‘Leaf Star’,a New Long-Culm Rice Forage Cultivar
Biomass production Culm stiffness Culm thickness Forage rice cultivar Leaf Star Lodging resistance Long-culm cultivar
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2010/3/4
Biomass production and lodging resistance in the new long-culm forage cultivar ‘Leaf Star’, developed using a precise evaluation method for lodging resistance, were evaluated by comparing these proper...
Varietal Differences in Photosynthetic Rates in Rice Plants,with Special Reference to the Nitrogen Content of Leaves
Nitrogen content Photosynthetic rate Rice variety Rubisco content Stomatal conductance
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2010/3/4
The photosynthetic rate in the flag leaf of rice at the full heading stage was examined in three japonica varieties, Koshihikari, Aikoku and Asanohikari, and the indica high-yielding variety Takanari ...
Effects of Top Dressing on Growth and Panicle Dry Weight as Affected by Soil Water Stress at the Early Panicle-Development Stage in Rice (Oryza sativa L.)
Leaf area duration Net assimilation rate Rice SPAD Total dry weight
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2010/3/4
Rice yield is reduced by a short period of water stress at the early panicle-development stage. This study was conducted to examine the factors that reduce the panicle dry weight of rice subjected to ...
Effects of Temperature,Solar Radiation,and Vapor-Pressure Deficit on Flower Opening Time in Rice
Flower opening in the early morning Flower opening time Heat-induced sterility Oryza sativa Rice cultivars Solar radiation Temperature before anthesis Vapor-pressure deficit
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2010/3/4
Flower opening in the early morning helps to avoid sterility of rice (Oryza sativa L.) caused by heat stress at anthesis. Although flower opening time (FOT) is under genetic control, it is also affect...