将甘蓝-白芥单体异附加系自交,获得了其自交后代。
Many progenies were obtained by a Brassica oleracea-Sinapis alba monosomic alien addition line plant selfing.
试验结果表明多数自交系为自交不亲和。
Results showed that most of the inbred lines were self-incompatible.
提出了一种无局部自交的轴变形的新算法。
This paper presents a novel axial deformation algorithm without local self-intersection.
在禾本科的自交不亲和系统中,糖蛋白抑制细胞壁的形成。
In the grass system, wall formation is inhibited by glycoproteins.
杂交鲍苗的壳长和存活率明显大于我国的皱纹盘鲍自交鲍苗。
The survival rate and growth rate of crossbred abalone juveniles were significantly higher than those of H. discus hannai Ino.
另外,经分析可知,强迫自交的结实率比自由授粉的结实率要低。
In addition, the analysis showed that the forced self-setting rate is lower than the free pollination.
研究还表明,自交提纯能够明显提高这两种野生稻的平均抗性水平。
The study also indicated that homozygosity by selfing could significantly enhance the mean resistance level of O. rufipogon and O. officinalis.
该算法避免了轮廓环等距、自交处理和布尔运算等复杂的计算过程。
With this algorithm, the complicated calculation procedures such as profile loop offset, self-intersection and Boolean operation are avoided.
从方正银鲫自交繁殖的当年鱼群体中发现约有2%左右的雌雄同体。
About 2% of the same year self-crossing crucian carp are hermaphroditism.
采用杂交、自交、回交方法对甘蓝型紫红叶色油菜进行叶色遗传研究。
Heredity research of aubergine leaf character in Brassica napus was carried out by using the methods of crossing, self-crossing and backcrossing.
自交杂合子有一半杂合性,因此远系繁殖可以产生适应能量更强的种群。
Selfing heterozygotes halves the heterozygosity, and thus outbreeding maintains heterozygosity and produces a more adaptable population.
十字花科自交不亲和性的大小关系到杂交制种的纯度和原种的繁殖系数。
The affinity of self-incompatibility in the mustard family affects the purity of hybrid seed and the propagation coefficient of stock plant.
用户自交寄给据邮件或者交汇汇款之日起满一年未查询又未提出赔偿要求的。
users failing to inquire about or demand compensation at the end of one year, counting from the date of handing in or posting the vouchered postal materials or making the remittance.
尾叶桉自交后代普遍存在衰退现象,但亦有个别组合表现出一定的自交优势。
Selfing progeny of E. urophylla showed depression in general, but some other combinations showed self-advantage.
绿星青菜的父母本是利用国外引进的优良品种经多代自交选育的高代自交系。
Both female and paternal parents of the new variety of Luxing Chinese cabbage are self-seed from self-cross plants of imported variety with superior quality.
自交后代基本保持了原有的果形和果顶,但也可分离出长圆形、平顶的个体。
The original fruit shape and fruit top were kept in self-crossed progeny, but a few of plants with oblong fruit shape and flat fruit top also appeared.
在温室大棚设施栽培条件下开展杂交、自交、自由授粉,野外昆虫辅助授粉。
Cross, self and opening pollination were conducted in the green house, the subsidiary pollination by insects was carried out outdoors.
芸苔属植物自交不亲和性受单一位点的复等位基因控制,此位点命名为S位点。
Self_incompatibility in Brassica is controlled by a single multiallelic locus (designated as S locus) that is responsible for pollen recognition on the stigma surface.
以双蒸水和巯基乙醇作为提取液处理花粉,均未发现自交不亲和系共有的特征带。
When the proteins of pollens were treated with ultrapure water and mercaptoethanol, no specific band was observed among the self-incompatible lines and the compatible lines.
采用花药培养获得加倍单倍体(DH)是甘蓝类蔬菜自交不亲和系选育的主要方法之一。
The use of anther culture to create double haploid (DH) lines is popular in breeding of self incompatibility lines of Brassica crops.
无效株是影响群体整齐度的重要因素,主要包括:自交株、空秆、小穗株及病虫害株等。
The main factor that affects population's uniformity is invalid plant including inbred lines, barren stalk rate, diseases and pest insects plant in populations of different yield level.
以易抽薹型大白菜自交不亲和系87158为试材,探讨了苗期遮光对其抽薹开花的影响。
The self-imcompatibility line 87158, an easy bolting type was used to study the effect of shading in seedling stage on bolting and flowering.
这主要受植物种群密度、结构,传粉者适应性和活动能力以及是否自交亲和等因素的影响。
This is influenced by factors such as plant population density and structure and the adaptability of pollinator as well the presence or absence of self-incompatibility mechanisms.
利用激光和高压静电场对试材的花粉进行处理,以期克服自交不亲和性和远缘杂交不亲和性。
The pollens of each plant were treated by laser and high-voltage electrostatic field for overcoming their self-incompatibility and cross- incompatibility.
当第一个S位点基因发现之后,对于它在植物中自交不亲和信号转导途径中的研究就成为热点。
Studies of effects of S genes on self-incompatibility in phanerogam have been the focus since the first S gene (S-locus glycoprotein, SLG) was identified.
基于树型结构的快速等距计算方法可以有效地解决等距过程中发生的拓扑、自交、同化等现象。
Fast tree-based redistancing for level set computations may resolve complex topology, intersection, merging during interface moving.
以自由授粉群体和品系间杂种为对照,研究了甘蓝型油菜连续自交后代在胚胎发育上表现的效应。
The effects of successive inbreeding progenies of Brassica napus L. on the embryo development were studied in comparison with the open-pollinated population and hybrids from inbred lines.
提出贯穿线的概念,对截面上包含自交、重叠、干涉的无序交线进行规整处理,生成有序的无干涉刀轨。
The concept of traversing line is presented to deal with the intersection curves of offset surfaces with planes...
姜花属杂交育种的亲本选择中,除了考虑性状搭配之外,还应考虑该属的自交不亲和性带来的生殖障碍。
In the cross breeding of Hedychium, parental selection is related not only to the parental morphologic characters, but also to the reproducing barrier of self incompatibility.
姜花属杂交育种的亲本选择中,除了考虑性状搭配之外,还应考虑该属的自交不亲和性带来的生殖障碍。
In the cross breeding of Hedychium, parental selection is related not only to the parental morphologic characters, but also to the reproducing barrier of self incompatibility.
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