搜索结果: 1-15 共查到“农学 Sterility”相关记录26条 . 查询时间(0.066 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
2021/9/18
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...
Effect of gamma radiation on the male sterility and other quality parameters of peach fruit fly, Bactrocera zonata (Saunders) (Diptera: Tephritidae)
gamma radiation tephritid fruit flies
2015/3/4
Bactrocera zonata, a serious pest of fruits in many parts of the world, has recently been recorded in Northern Africa.
Even though it has not been introduced to the European continent yet, a strong ...
Hybrid breeding of cauliflower using self-incompatibility and cytoplasmic male sterility
cauliflower hybrid breeding self-incompatibility (SI) CMS reproduction of lines hybrid seed production
2015/1/22
Two self-sterility systems, self-incompatibility (SI) and cytoplasmic male sterility (CMS) were used to verify their suitability for hybrid breeding of cauliflower. The possibility of reproduction of ...
Genetics of fertility restoration of the A4 cytoplasmic-nuclear male sterility system in pearl millet
A4 cytoplasm fertility restoration inheritance male sterility Pennisetum glaucum
2012/2/25
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
2012/2/25
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
2009/12/14
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) ...
Mechanism of Female Sterility in Sugi (Cryptomeria japonica D. Don)
Cryptomeria female sterility male sterility megaspore mother cell
2009/8/28
Two C. japonica trees exhibiting male sterility were found in Niigata Prefecture, Japan. These trees exhibited not only male sterility but also female sterility, because their seeds did not germinate....
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
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
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
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
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...
Synergistic Effects of Ethephon and Isourea on Male Sterility of Rice
Ethephon Gametocide Isourea Male sterility Rice (Oryza sativa L.)
2009/8/6
Induction of male sterility in rice by application of ethephon or isourea at different treatments, concentrations and times was investigated in glass house-grown Oryza sativa cv. Nipponbare. Isourea ...
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
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
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
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...