搜索结果: 1-15 共查到“作物学 Sterility”相关记录22条 . 查询时间(0.054 秒)
Non-functional GoFLA19s are responsible for the male sterility caused by hybrid breakdown in cotton (Gossypium spp.)
陆地棉 光敏雄性不育 基因控制 隐性性状
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2024/4/16
陆地棉光敏雄性不育系中9106是在中040029的后代中发现的突变体，它在长日照（河南安阳）条件下表现为彻底的雄性不育。以陆地棉乐土603、TM-1和海岛棉海7124为父本分别配置F2杂交组合发现中9106的雄性不育性状是受一对核基因控制的隐性性状。利用以全基因组测序为基础的分离群体群分法和以中9106×TM-1的F2群体进行的图位克隆，将中9106的雄性不育基因定位在D12染色体上QZD84和Q...
Genetics of fertility restoration of the A4 cytoplasmic-nuclear male sterility system in pearl millet
A4 cytoplasm fertility restoration inheritance male sterility Pennisetum glaucum
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2014/2/25
Inheritance of fertility restoration of the A4 system of cytoplasmic-nuclear male sterility in pearl millet was investigated using six crosses between two diverse male sterile lines (A-lines) and thre...
Sequence analysis of the mtDNA region correlated with Shaan 2A cytoplasmic male sterility in rapeseed (Brassica napus L.)
cytoplasmic male sterility (CMS) marker-assisted selection (MAS) orf224-1 rapeseed (Brassica napus L.) Rf-restorer gene Shaan 2A CMS line
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2014/2/25
Until now in Europe has not been cultivated any hybrid cultivar of oilseed rape based on the Shaan 2A cytoplasmic male sterility (CMS), a widely used CMS system in China. The aim of Czech breeders now...
Sterility and Poor Pollination Due to Early Flower Opening Induced by Methyl Jasmonate
Anther dehiscence Flower opening in early morning Flower opening time Heat-induced sterility Methyl jasmonate Oryza sativa Pollination Sterility
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2010/3/4
Flower opening in the early morning helps avoid sterility induced by heat stress at anthesis in rice (Oryza sativa L.). A pot experiment was conducted to reveal the effects of methyl jasmonate (MeJA) ...
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:IV. Effects of the starting time of cooling, morning and evening, and the soil temperatures and the light conditions after cooling on the fertility
Cool temperature Diurnal variation Flowering stage Rice Sterility
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2009/8/6
Effect of the starting time of cooling at the flowering stage together with the effects of water temperatures and light conditions after cooling on the fertility percentage were examined. The fertilit...
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...
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:III. Establishment of a method of in vitro pollen germination
Boric acid Incubation temperature In vitro germination Pollen Rice
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2009/8/6
Rice pollen grains germinated more than 80% with low variation (standard deviation less than 10%) and their pollen tubes elongated to more than 150μm within one hour with a simple medium composed of 1...
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...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:I. Relationship between light-intercepting characteristics and sterility
Amount of fertilizer nitrogen Cool-summer damage Early-season culture Light-intercepting characteristics Overluxuriant growth Sunshine hours Temperature at the inside of leaf sheath Temperature in the space of rows
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2009/8/6
The present study was conducted to make clear the cause of promotion the sterility due to cool temperature at the booting stage by too much nitrogen application with investigating the relationship amo...
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...
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
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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...
Sterility in Rice (Oryza Sativa L.) Subject to Drought during the Booting Stage Occurs not because of Lack of Assimilate or of Water Deficit in the Shoot but because of Dehydration of the Root Zone
Booting stage Degeneration of spikelet Dehydration Drought Oryza sativa L
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2009/7/30
In rice plants a drought at the booting stage is the event most damaging to grain yield because it drastically increases sterility. Our objective was to establish what phosiological processes caused s...
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
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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...
High Temperature-Induced Spikelet Sterility of Japonica Rice at Flowering in Relation to Air Temperature, Humidity and Wind Velocity Conditions
Flowering stage High temperature Japonica rice Pollination Spikelet sterility
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2009/7/23
Although the impact of anticipated global warming on regional rice production merits intensive investigation, quantitative information regarding the effects of high temperatures on japonica rice is li...
Does Regional Temperature Difference before the Panicle Initiation Affect the Tolerance for Low Temperature-Induced Sterility in Rice?
Cool weather damage Oryza sativa L. Rice Spikelet sterility Tolerance Water temperature Yield
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2009/7/23
Does Regional Temperature Difference before the Panicle Initiation Affect the Tolerance for Low Temperature-Induced Sterility in Rice?