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Characteristics Relating Young Panicle Development and Heading of Closely Related Calrose Rice Genotypes
Distance between collars Heading date Leaf number index Main culm Tillers panicle
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2009/8/6
Seven near-isogenic lines which were derived from rice cultivar "Calrose" were sown on June 8, 1985, and transplanted on June 25 at the fourth leaf stage in rice facility of the University of Californ...
Effect of Plot Size on Accuracy of Yield Estimation of Rainfed Lowland Rice Genotypes with Different Plant Heights and Grown under Different Soil Fertility Conditions
Competition Plant height Plot size Rice genotypes Selection trial Yield estimation
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2009/7/29
Breeding programs for rainfed lowland rice normally use large plot sizes for accurate estimation of yield. Resource requirements are reduced and more genotypes can be tested if a small plot size can b...
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
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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...
Analysis of Lodging-Resistant Characteristics of Different Rice Genotypes Grown under the Standard and Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density Practices
Breaking strength Lodging Lower internodes Nitrogen-free basal dressing Rice cultivars Sparse planting density
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2009/7/29
Field experiments were carried out in 2001 and 2002 to examine the lodging-resistance characteristics of various rice cultivars bred for the Tohoku region of Japan including the widely-cultivated cult...
Plant Regeneration Capacity of Calluses Derived from Mature Seed of Five Indonesian Rice Genotypes
Embryogenic calluses Plant regeneration Rice Subculture
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2009/7/24
Establishment of a suitable system for plant regeneration of rice calluses derived from mature seed is a prerequisite for genetic transformation using callus as the target tissue. Selecting the most s...
Identification of Callus Induction Potential of 15 Indonesian Rice Genotypes
Callus browning Callus induction ability Embryogenic callus Rice
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2009/7/24
The callus induction potential of 15 indica rice genotypes from Indonesia was examined in comparison with that of the japonica rice Nipponbare. Callus was induced from embryos of mature seeds and root...
Responses of Rice Genotypes Carrying Different Dwarf Genes to Fusarium moniliforme and Gibberellic Acid
Bakanae disease Dwarf gene Gibberellic acid Oryza sativa L. Rice Sd1
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2009/7/21
A total of 32 rice genotypes carrying different dwarf or semi-dwarf genes were inoculated with the fungus Fusarium moniliforme Sheldon or treated with 50 mg l-1 GA3 in order to select resources resist...
Responses of Photosynthetic Functions to Low Temperature in Flag Leaves of Rice Genotypes at the Milky Stage
anti-oxidation system fatty acid low temperature photosynthetic pigments super hybrid rice
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2009/1/7
To examine the chilling resistance of a newly developed super hybrid rice (Oryza sativa) Liangyou 122 at the different temperatures, an experiment was conducted to investigate the photosynthetic pigme...
Difference in Grain Yield and Quality among Tillers in Rice Genotypes Differing in Tillering Capacity
tiller grain yield rice quality
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2008/12/11
A japonica variety and its iso-allelic mutant with high tillering ability were used to investigate the differences in grain yield and quality among different tillers. There was a distinct difference i...
RUBISCO, Nitrate Reductase and IAA Oxidase Activity of Rice Genotypes through Aerobic Cultivation
Aerobic rice physiological traits enzyme activity yield components yield
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2010/11/10
The rice genotypes viz., PMK 3, ASD 16, MDU 3, MDU 5, CO 47 and RM 96019 were evaluated under aerobic condition during kharif 2005 to study the physiological traits and yield attributes.
The paramete...
Influence of Zinc Deficiency on Shoot / Root Dry Weight Ratio of Rice Genotypes
Solution culture shoot/root dry weight zinc efficiency screening rice genotypes
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2010/11/10
Shoot/ root dry weight is the most sensitive parameter in evaluation of genotypes for their
tolerance to zinc stress. A green house experiment was conducted at Tamil Nadu Agricultural University, Coi...
Optimizing tissue culture media for efficient transformation of different indica rice genotypes
indica rice regeneration transformation GUS
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2010/1/14
An efficient system was established for high frequency embryogenesis and regeneration of indica rice, Oryza sativa L. cv. MDU 5. Basic media, carbohydrate sources and concentrations, agar concentratio...
GENETIC DIVERGENCE IN DEEPWATER RICE GENOTYPES
Deepwater rice genetic divergence Yield components
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2010/12/2
The nature and the magnitude of genetic divergence was estimated in 35 deepwater rice genotypes using Mahalonobis’s D2 – statistics. The genotypes were grouped onto 10 clusters showing fair degree of ...
Grouping of Rice Genotypes for Salinity Tolerance Based upon Grain Yield and Na: K Ratio under Coastal Environment
Rice accessions salinity tolerance grain yield and Na:K ratio
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2010/11/8
A field experiment was conducted in the saline field of Annamalai University, experimental farm, Annamalai Nagar during Navarai season of 2000-2001, to study the Grouping of rice accessions for salini...