植株群体中出现了新的变异株系。
两个胡萝卜和两个烟草冠瘿株系分别得到再生植株。
Plantlets have been induced from two carrot crown gall strains and two tobacco crown gall strains.
因此,有必要将原来的一个株系群再分为两个株系。
The results showed that each strain group had to be divided into two strains.
柑桔衰退病毒(CTV)存在着许多生物学特性不同的株系。
Citrus tristeza virus (CTV) has a number of distinct strains differing in biological characteristics in citrus fields.
对云南竹子丛枝病植原体株系分类鉴定与已报道的结果相似。
The taxonomic status of bamboo witches broom phytoplasma collected in Yunnan province is consistent with that reported before.
C815S及其同源株系具有理想的株叶形态和发达的根系。
C815S and its homologous plant lines had the ideal plant and leaf types and the developing root system.
遗传分析表明,突变株系的黄绿叶性状受一对隐性核基因控制。
Genetic analysis showed that the yellow green leaf character was controlled by one pair of recessive nuclear genes.
并对GPV株系毒源进行了提纯;对其提纯方法有所改进和简化。
We have purified the samples of GPV strain, and improved and simplified the procedure of purification.
DH株系中的杀卵特性是通过叶鞘上杀卵反应产生的坏死症状表现的。
Ovicidal trait in DH lines was phenotyped by necrotic symptoms on the leaf sheaths due to ovicidal response.
在比利时和荷兰,一种新的恶性的禽流感病毒株系席卷了所有的养鸡场。
In Belgium and the Netherlands, a virulent new strain of avian flu was wiping out entire chicken farms.
NMU诱变也具有特异性,例如在早籼26后代中出现了糯性变异株系。
NMU has also peculiar quality , for example the glutinous variation appears in the later generation of Zaoxian 26.
利用红外技术可以较好地识别冷型小麦,并为株系、品系、品种的选择提供依据。
By means of infrared technique, cold typal wheat can well be distinguished and the bases can be provided for the selection of parentage, line and variety.
突变株系增产的主要原因可能是孕穗灌浆期净光合速率和表观量子效率的急剧增加。
The higher grain yield in mutated strains was mainly due to abundant carbohydrate synthesis and transfer to grains during booting-filling stage .
该方法既区别于单纯生产原种的“株系循环法”,也区别于选育新品种的纯系育种法。
It is differ both from the method of "circulate line selection" for seed reproduction and from the method of "pure line breeding" for varieties development.
应用有限稀释法,由小鼠srs- 82腹水瘤细胞系分离得到SAC克隆株系列。
A clone system designated SAC was established from a SRS-82 mouse ascitic turnout cell line by using limited dilution method.
对抗性筛选出的40株麝香百合苗进行PCR检测,发现有6棵株系扩增出目标条带。
B. 40 Kanamycin resistant seedlings were achieved, 6 Kanamycin resistant seedlings were at random selected for PCR and got the strip.
实践证明:“株系循环法”具有多快好省的优点,构成了农作物良种繁育新的技术体系。
The practice has proved that 'plant-line cycle method' has the advantage of greater, faster, better and more economical results, and constitutes the new technical system of crops seeds production.
对D 3代稳定株系的可溶性糖含量进行测定分析,结果表明,可溶性糖含量都有所提高。
Analyzed its soluble sugar content of the stable strain D3, the results indicated that the soluble sugar content was increased.
孕穗-灌浆期的净光合速率和表观量子效率的急剧增加可能成为突变株系增产的主要原因。
The higher grain yield in mutated strains was mainly due to increasing the net photosynthetic rate and apparent quantum yield considerably at the stage from booting to filling.
采用RAPD技术对供体大豆、受体水稻和两种水稻变异株系的基因组进行了多态性分析。
Genomes of the donor, the receptor and the two kinds of rice variant lines were analyzed using RAPD assay.
但92.1%的株系表现为中抗或中感,表明转导目标基因可能仅起到部分提高抗性的作用。
The fact that 92.1% of lines were medium resistance or medium susceptible showed that target gene might only play partly role in sheath blight resistance.
高库容水稻株系抽穗期的单株根系活性高、单株根系总吸收面积和单株根系活跃吸收面积大。
Indica rice with large sink also had higher root activity per plant, larger root absorption or active absorption area.
经选择再分化实验,选择出长势及卡那霉素抗性最优的24个无菌株系,经PCR检测均为阳性。
Through differentiation, we selected 24 excellent lines to PCR test. All the lines were positive in PCR.
本研究中,我们从籼稻品种籼黄占的自然突的株系中发现一无花粉型温敏型不育的突变体-籼s。
In this study, XianS, a spontaneous mutant with stable male sterility from an indica rice cultivar Xianhuangzhan, was classified as a non-pollen type TGMS line.
一些专家猜测很可能由于过去老年人接触了比较多的流感病毒株系,已经建立了比较强的免疫防御能力。
Some experts have speculated that older people exposed to more flu strains in the past have built up greater immunity.
柑橘衰退病毒(CTV)存在严重的株系混合侵染现象,因此需要用一定的方法对混合株系进行识别。
Citrus tristeza virus (CTV) exists in the form of mixed infection, so it is necessary to differentiate the strains by using some technical methods.
获得了粳型水稻77- 170品系原生质体再生植株(R_2)6个株系的206棵后代植株。
A total number of 206 regenerated plants (R2) of 6 plant lines of rice strain 77-170 from protoplasts were obtained.
玉米再生植株种植田间后在其后代中选出一抗玉米螟的稳定株系,尚需进一步的分子验证和饲虫实验。
One stable line resistant to corn borer had been selected in the progeny of maize regenerated plants, further molecular test and feeding-insect test are going on.
导入后代植株形态性状上的变异主要表现为籽粒颜色特殊,部分株系植株较高、叶片肥大、茎杆粗壮;
The main variations of offspring in the plant morphologic characters were special seed-color, tall plant height, fat leaves and thick stalk.
对各株系间的根井遗传距离采用UPGMA法对群体进行聚类分析表明群体中很少存在代表性重复现象。
Genetic distances of each pair of lines are calculated by Nei's method. The results of cluster by method UPGMA show that the population has less over presentation.
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