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susceptible ones
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  感病
     Based on the reported sequences, 3 pairs of STS primers 4aF+4aR,4a+4b and 4G+4I were synthesized and used to analyze 31 wheat lines including 24 known Pm-carrying lines, 3 unknown Pm-carrying and 4 susceptible ones.
     根据已报道的序列,合成了3对STS引物4aF + 4aR、4a + 4b和4G + 4I ,对2 4个含已知抗白粉病基因的品种、3个含未知抗白粉病基因的品种和4个感病品种进行了分析。
短句来源
     A comparison of the treatments with different salicylic acids concentrations indicated that the optimum concentration on the resistant varieties was 3mmol/L but the susceptible ones was 5mmol/L.
     不同的SA处理浓度相比较,抗(耐)病品种适宜浓度为3mmol/L,感病品种适宜浓度为5mmol/L。
短句来源
     In resistant lines,the constitutive expression of CH1 and CH2 was more strong and the accumulation of CH2 and CH3 in intercellular spaces was faster than in susceptible ones.
     在抗病品系中 ,CH1和CH2有较高的本底表达水平 ,且CH2和CH3在胞间积累的速度也明显快于感病品系。
短句来源
     Statistical analysis showed that there was significant difference in disease indexes between resistant cultivars Shaan 1155,2059 and susceptible ones Simian 2, Jimian 11 (P<0.05).
     抗病品种陕1155、陕2059与感病品种泗棉2号、冀棉11号之间,经统计分析表明,病情指数差异显著(p<0.05)。
短句来源
     The result showed: chitosan contents and the activities of active-oxygen- related enzyme system of the resistant varieties were higher than those of the susceptible ones;
     结果表明:抗性品种的壳聚糖含量、H2O2相关酶系活性均高于感病品种,而H2O2含量感病品种高于抗病品种,且在取样时期内一直处于上升趋势。
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  “susceptible ones”译为未确定词的双语例句
     The random amplified polymorphic DNA(RAPD) analysis was made in F 2 from hybridization of wheat resistant varieties to powdery mildew (79201 11 7 and Linyuan 7069) and susceptible ones (Zhongmai 2 # and ZhengZhou 831) with 20 random primers in this paper. The high productive and resistant varieties to powdery mildew were selected and molecular genetic difference of resistant/sensitive characters have been studied.
     用20个随机引物,以抗白粉病(79201-11-7、临远7069)和感白粉病(中麦2号、郑831)的高产小麦品种为亲本,杂交获得的F2群体接种白粉病菌15号小种,并进行DNA随机扩增多态性(RAPD)分析.从中选育高产、抗病个体和研究抗感特性在分子水平上的差异.
短句来源
     After natural frost,the frost-resistance of sugarcane germplasms were appraised on the live buds. The result showed that there were 7 high resistant,13 comparatively high resistant,37 moderately resistant,56 susceptible ones in 113 germplasms.
     经过自然霜冻后,根据活芽率进行甘蔗种质耐霜性鉴定,结果表明,113个种质中,耐霜性强的7个,较强的13个,中的37个,弱的56个。
短句来源
     The activity of mixed function oxidases (MFO) to naphthalene and permethrin and the cytochrome P450 content in the resistant flies were found to be 2-, 1.48-, 1.33-fold those in the susceptible ones respectively.
     抗性家蝇多功能氧化酶的萘羟化活性、对二氯苯醚菊酯的氧化代谢能力和微粒体细胞色素P_(450)含量分别是正常家蝇的2、1.48、1.33倍。
短句来源
     The results indicated that Qianyu3, Qian2599, Zunyu3, Qian2411, Guibi302, Zhongdan2 and Xinghuangdan89-2 were drought and barren resistant varieties, but Qiandan10, Qianxi4, Andan136, Qian2451 and Qianyu1 were adversity susceptible ones.
     结果表明:黔玉3号、黔2599、遵玉3号、黔2411、贵毕302、中单2号和兴黄单89-2的抗逆性表现较好,黔单10号、黔西4号、安单136、黔2451和黔玉1号表现较差。
短句来源
     Meanwhile, the net photosynthetic rate (Pn), stomatalconductance (Gs), transpiration rate (Tr) and intercellular CO2 concentration (Ci) in resistant eggplants were lessthan those in susceptible ones. While both eggplants displayed descending trend in Pn, Gs and Tr after inoculationfor 72 h.
     前者叶的净光合速率(Pn)、气孔导度(Gs)、蒸腾速率(Tr)和细胞间CO2浓度(Ci)的变化幅度比后者小,但72h后二者的叶片Pn、Gs、Tr都明显呈下降趋势。
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  相似匹配句对
     TRANSFORMATION OF SUSCEPTIBLE COTTON CULTIVARS INTO FUSARIUM RESISTANT ONES
     棉花抗枯萎病性之提高与改造
短句来源
     The enzyme activity in the resistant strain was double than that in the susceptible ones.
     (3)拟除虫菊酯抗性淡色库蚊的二氯苯醚菊酯水解活力比敏感品系大约一倍。
短句来源
     Japan Wild Ones
     日本狂野的一代(英文)
短句来源
     The variety Y2 was susceptible.
     病害发生与桑树品种关系密切,育2号为易感病品种。
短句来源
     but susceptible to vancomycin.
     对万古霉素敏感。
短句来源
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  susceptible ones
Leaf exudates and diffusates collected from the resistant varieties were more fungitoxic than those from the susceptible ones.
      
Tolerant cultivars had lower panicle sodium content at all panicle development stages than susceptible ones.
      
Tolerant cultivars had lower panicle sodium content at all panicle development stages than susceptible ones.
      
Exudates from resistant varieties contained more aspartic acid, threonine, serine and alanine than the exudates of susceptible ones.
      
Area Under Disease Progress Curve (AUDPC) and Apparent Infection Rate (r) values of resistant lines were much lower than those of susceptible ones, but lower AUDPC in some of the resistant lines did not correspond to a lower 'r' value.
      
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The cultivation of ergot on rye varieties with ergot isolates from different hosts was performed both in Peking and Harbin in 1957.In general,spring rye were more susceptible than winter rye.Varieties from Changpei and Chamoshih were the most susceptible ones among spring ryes and were heavily infected with isolates from Calamagrostis epigeios,Clinelymus dahuricus,Clinelymus sibidcus,Climelymus excelsus,rye and Agropyron spp.Ergot isolates from C.epigerios,were more virulent than those isolated from other...

The cultivation of ergot on rye varieties with ergot isolates from different hosts was performed both in Peking and Harbin in 1957.In general,spring rye were more susceptible than winter rye.Varieties from Changpei and Chamoshih were the most susceptible ones among spring ryes and were heavily infected with isolates from Calamagrostis epigeios,Clinelymus dahuricus,Clinelymus sibidcus,Climelymus excelsus,rye and Agropyron spp.Ergot isolates from C.epigerios,were more virulent than those isolated from other hosts.Of the six isolates from C.epigeios tested,B_5 was the most virulent,causing 70% infection on different varieties of spring rye.B_1 was less virulent(causing more than 50% infection)while B_7 was least virulent(causing 5—10% infection). Injection of spore suspension into spikelets by means of hypodermic syringe resulted in higher percentage of infection than dipping method,while results with spraying method was rather poor.The percentage of infection increased with the increase of concentration of spore suspension,which was kept within the range of 600—9600 conidia per cubic millimeter. Ergot produced by strains of Claviceps microcephala on rye varieties were 34 times in weight as compared with those produced in nature on original host plants(C.epigeios).Strains B_1 and B_5 gave rise to ergots on different rye varieties containing 0.22—0.40% total alkaloids calculated as ergotoxine.The alkaloid content was much higher than that of the original rye ergots(0.06%)collected from different localities of North and Northeastern China.The figure also exceeds the required level for standard ergot(0.2% total alkaloid)as was listed in Chinese Pharmacopoeia,Strain B_5 had a higher capability for alkaloid production than B_1.Alkaloid contents of ergot also differed considerably with different rye varieties,and Chamoshih appeared to be the better variety than either Kongtzeling or Pinglu.

1957年在北京及哈尔滨以各种野生麦角所分离的不同菌种在张北、佳木斯等9个不同的黑麦品种上进行了接种栽培。春黑麦较冬黑麦的感染力强,春黑麦中又以张北及佳木斯最易感病,对自拂子茅(Calamagnostis epigeios(L)Roth)、披碱草(Clinelymus dahuricus Nevski)、老芒麦(Clinelymus sibiricus(L)Nevski)、黑麦(Secale cereale L.)、高滨麦(Clinelymus excelsus Nevski),及 Agropyrum sp.6个不同寄主所分离的菌种亦均感染;公主岭及平鲁黑麦感染性较差.不同菌种中以分离自拂子茅的菌种寄生性最强,侵染所有4个春黑麦品种及一个冬黑麦品种.分离自拂子茅的6个不同菌系中以B_5的寄生性最强,公主岭、张北及佳木斯3个品种对B_5的感染率均在70%以上;B_1次之,3个黑麦品种对B_1的感染率均在50%以上;B_7最差,公主岭及张北黑麦对B_7的感染率为5—10%, 不同接种方法以孢子液注射法效果最佳,侵渍法次之,喷雾法最差。每min~3接种液中孢子数目在600—9600间浓度愈高致病力愈强。分离自拂子茅...

1957年在北京及哈尔滨以各种野生麦角所分离的不同菌种在张北、佳木斯等9个不同的黑麦品种上进行了接种栽培。春黑麦较冬黑麦的感染力强,春黑麦中又以张北及佳木斯最易感病,对自拂子茅(Calamagnostis epigeios(L)Roth)、披碱草(Clinelymus dahuricus Nevski)、老芒麦(Clinelymus sibiricus(L)Nevski)、黑麦(Secale cereale L.)、高滨麦(Clinelymus excelsus Nevski),及 Agropyrum sp.6个不同寄主所分离的菌种亦均感染;公主岭及平鲁黑麦感染性较差.不同菌种中以分离自拂子茅的菌种寄生性最强,侵染所有4个春黑麦品种及一个冬黑麦品种.分离自拂子茅的6个不同菌系中以B_5的寄生性最强,公主岭、张北及佳木斯3个品种对B_5的感染率均在70%以上;B_1次之,3个黑麦品种对B_1的感染率均在50%以上;B_7最差,公主岭及张北黑麦对B_7的感染率为5—10%, 不同接种方法以孢子液注射法效果最佳,侵渍法次之,喷雾法最差。每min~3接种液中孢子数目在600—9600间浓度愈高致病力愈强。分离自拂子茅麦角(Claviceps microcephala)的不同菌系在各种黑麦品种上所生的菌核较原寄主上的菌核大34倍.B_1与B_5在不同黑麦品种上所生麦角的含硷量为0.22—0.40%,远较自然条件下所产黑麦麦角(C.purpurea Tul.)的含硷量(0.06%)为高,也超过我国药典所规定0.2%的标准。B_5的产硷能力高于B_1。不同品种中以佳木斯黑麦所产菌核的含硷量较高,公主岭及平鲁次之,张北黑麦的麦角含硷量最低。

Seedlings of wheat species and varieties resistant or susceptible topowdery mildew were inoculated with conidia of Erysiphe graminis triti-ci.About 60% of the conidia germinated and formed appressoria within8 houra after inoculation.The percentage and rate of conidia germin-ation on the leaf surface of resistant and susceptible wheat varietiesshowed no difference at the early stage of infection.The difference be-came apparerent at the stages of penetration and further development.Earliest penetration was observed...

Seedlings of wheat species and varieties resistant or susceptible topowdery mildew were inoculated with conidia of Erysiphe graminis triti-ci.About 60% of the conidia germinated and formed appressoria within8 houra after inoculation.The percentage and rate of conidia germin-ation on the leaf surface of resistant and susceptible wheat varietiesshowed no difference at the early stage of infection.The difference be-came apparerent at the stages of penetration and further development.Earliest penetration was observed on the highly susceptible group 12hours after inoculation 83% of germinated conidia to penetrate within 36hours.Less germinated E.graminis tritici conidia penetrated into leavesof resistance varieties of wheat than into those of susceptible ones.Du-ring 36 hours,the percentage of penetration of the susceptible,resis-tant and highly resistant varieties were 65,45,27% respectively.The haustorial formation in the case of resistant varieties delayed,and the haustoria developed in the epidermal cell of resistant varie-ties were smaller.On resistant plants developed fewer,less dense colonies with lesssporulation than on the susceptible plants.

在对白粉病具不同抗性的11个小麦的种和品种上进行的按种试验表明,在接种后8小时内,分生孢子达到最高萌发率(约为60%),并形成附着孢。在抗病的和感病的小麦叶片上,分生孢子的萌发率和萌发速度没有差异。接种后12小时,在感病的材料上,发现真菌侵入寄主,但在抗病的材料上,发现最早侵入时间,至少要比在感病材料上约晚4小时。接种后36小时,在高感的材料上,萌发的分生孢子有83%已侵入寄主,其中约有70~80%已形成吸胞。在感病、抗病和高抗材料上的侵入率,分别为70,45,27%。形成或开始形成吸胞的分别为55~61,14~27,4~8%。在抗病材料的表皮细胞内,真菌形成的吸胞较小,并有点畸形。在抗病材料的叶面上,真菌的菌丛稀薄,产孢也很少。据我们观察,小麦叶肉细胞的死亡面积与菌丛的面积之间,没有明显的相关性。除了Khapli 和W.R.230的表皮细胞死亡面积比真菌菌丛更大之外,其余材料的寄主细胞死亡面积均小于菌丛面积。

8 crossing combinations from resistant parents with susceptible ones were studied. The results of the research indicated that the resis-tance to frogeye leaf spot of soybean (Cercospora sojina Hara) of all of the F1 appears to be dominant completely, the segregation ratio of the resistant to the susceptible of F2 equal 3:1, there were quite a few resistant lines among F3 from single resistant plant of F2 with segregation ratio of 2:1 of resistant segregat to resistant lines. All of the generation...

8 crossing combinations from resistant parents with susceptible ones were studied. The results of the research indicated that the resis-tance to frogeye leaf spot of soybean (Cercospora sojina Hara) of all of the F1 appears to be dominant completely, the segregation ratio of the resistant to the susceptible of F2 equal 3:1, there were quite a few resistant lines among F3 from single resistant plant of F2 with segregation ratio of 2:1 of resistant segregat to resistant lines. All of the generation B1 from back crossing of F2 with resistant parents are resistant while the generation B1 from back crossing of F2 with susceptible parents has segregation ratio of 3:1 of resistant to susceptible.Therefore, it can be sure that the resistibility to the disease is a simple heredity manipulated by a pair of dominant genes. And susceptibility to that is controlled by a pair of recessive genes.

本研究通过8个杂交组合F_1、F_2、F_3和B_1代的调查统计分析,研究大豆对灰斑病抗病性的遗传。结果表明:F_1代抗灰斑病为完全显性;F_2代抗病与感病按3:1比例分离;F_2代抗病单株后代(F_3代)即出现一定比例的抗病系。抗病性分离系与抗病系分离比例为2:1。F_1代以抗病亲本回交所产生的B_1代,均表现抗病;以感病亲本回交的B_1代,抗病与感病的分离比例为1:1。因此,大豆对灰斑病抗病性是由一对基因控制的简单遗传。

 
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