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Pseudo-embryogenic structures in anther and isolated microspore cultures in vitro: a cautionary guide
anther culture microspore embryogenesis pseudo-embryogenic structures
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2014/2/25
This review describes sources of structures of non-microspore origin observed in anther and microspore cultures. Various characteristics of these structures may cause a wrong diagnosis of these struct...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants : XXIX. The mechanism of enhancement in cool tolerance by raising water temperature before the critical stage
Cool injury Cool tolerance Microspore Pollen Rice Sterility Water temperature
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2009/8/6
Potted rice plants were grown in the phytotron with different water temperatures in a range from 18 to 25°C during the period from the spikelet differentiation stage to just before the young microspor...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXX. Relation between fertilization and the number of engorged pollen grains among spikelets cooled at different pollen developmental stages
Anther Cool injury Cool temperature Microspore Pollen Rice Sterility
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2009/8/6
Cooling treatments at different stages of pollen development lowered the percentage of fertilized spikelets through decreasing the number of engorged pollen grains per anther at anthesis. Cooling duri...
Male Sterility Caused by Cooling Treatment at the Young Microspore Stage in Rice Plants:XXXI. Four components participating in fertilization
Cooling injury Cooling tolerance Fertilization Microspore Pollen Rice
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2009/8/5
We divided the developmental processes from microspore differentiation to fertilization into 4 phases and defined the component relating to fertilization in each phase. The percentage of fertilization...
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
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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...
Cool Tolerance of Barley (Hordeum vulgare L.) at the Young Microspore Stage
Barley Cool tolerance Young microspore stage
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2009/7/29
Cool Tolerance of Barley (Hordeum vulgare L.) at the Young Microspore Stage.
Susceptibility to Coolness at the Young Microspore Stage under High Nitrogen Supply in Rice (Oryza Sativa L.). Proteome Analysis of Mature Anthers
Cool temperature High nitrogen Pollen germination Proteome analysis Sterility Two-dimensional polyacrylamide gel electrophoresis
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2009/7/24
In vitro pollen germination experiment using agar plates showed that the growth under high nitrogen conditions enhanced the damage to pollen germination ability caused by the cooling at the young micr...
Effects of High Nitrogen Supply on the Susceptibility to Coolness at the Young Microspore Stage in Rice (Oryza sativa L.):Gene Expression Analysis in Mature Anthers
Anther Cool temperature susceptibility Expansin Gene expression High nitrogen PCR Pollen germination
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2009/7/21
Changes in gene expression patterns by high nitrogen (High-N) and High-N plus cooling at the young microspore stage (High-N-cooling) in rice mature anthers were analyzed by semiquantitative RT-PCR wit...
Correlation between Spikelet Fertility and Relative Root Amount in Rice Plants Exposed to Cool Temperature at the Young Microspore Stage
Booting stage Cool-temperature tolerance Nitrogen fertilizer Rice plant Root
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2009/7/15
Many field observations have suggested that roots play an important role in the tolerance to the sterillity-type cool-weather damage at booting stage in rice plants. However, how the roots affect fert...
Effects of Gibberellin and Cytokinin on the Resistance to Cool Weather at the Young Microspore Stage in Rice Plants (<Regular Paper>Crop Physiology and Cell Biology)
Cool-weather resistance Cytokinin Fertility Gibberellin Nitrogen Pollen Rice Young microspore stage
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2009/7/14
The effects of gibberellin, cytokinin and an inhibitor of gibberellin biosynthesis on spikelet fertility and the number of pollen grains were examined in rice plants which were cooled at the young mic...
Relative Amount and Physiological Activity of Roots Affect the Resistance to Cool Weather at the Young Microspore Stage through the Number of Pollen Grains in Rice Plants
Rice Pollen Number of Pollen Grains Cool-weather resistance Nitrogen
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2009/7/7
The relative amount of roots (dry weight ratio of root to shoot, or root dry weight per spikelet) or the physiological activity of roots is correlated with the cool-weather resistance in rice plants. ...
Efficiency of Microspore Culture for Doubled Haploid Production in the Breeding Project “Czech Winter Rape”
microspore culture doubled haploids winter rape Brassica napus L. hybrid breeding
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2014/3/13
A selected set of twenty inter-line F
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hybrids of Brassica napus L. was evaluated for their capacity to
produce microspore-derived doubled haploid (DH) plants subsequently utilized in the breedi...