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Tauschii varieties. The diversification analysis of Ae. tauschiis resistance to wheat sharp eyespot according to the relative resestance index of four phases revealed that, seventy-six varieties have a higher resistance to R. cerealis and would be used in wheat engineering in future. Investigating the resistance of Ae.

并根据所有供试材料在不同生长期和不同年份的相对抗病指数,对所调查的材料进行抗性多样性聚类分析,综合分析得出共有76份材料表现为较强的纹枯病抗性,是我国小麦改良育种很好的纹枯病菌抗源。

The plant height is 35 cm and the plant spread is 48 cm. The plume-like leaf cluster is semi-uprush with small tassel. The leaf color is deep green, but the leafstalk is light green and leave numbers per single plant are 10-12. Its fleshy root is of long column shape with rootlet, little fibre and deep green peel. The length is 26-32 cm, the diameter is 8-12 cm and the weight could reach 2-3 kg. The flesh is light green, with delicate and slight pungent taste. And its dry matter content is 7.0%, VC 209 mgkg^(-1), soluble sugar 3.27 % coarse fibre 0.65%. Besides,'Weiluobo No. 1' had high resistance to virus, resistance to downy mildew, stronger resistance to bacterial soft rot than 'Luluobo No.

生长期80d左右,植株生长势旺盛,株高35cm,开展度48cm;叶簇半上冲型,羽状裂叶,小缨,叶深绿色,叶柄淡绿色,单株叶片10~12片;肉质根长圆柱形,小顶小根,须根少,表皮深绿色,仅1/3入土部分为白色,肉质根长26~32cm,横径8~12cm,肉质根质量2~3kg;肉淡绿色,肉质细嫩,干物质含量7.0%,VC209mgkg^(-1),可溶性糖3.27%,粗纤维0.65%,微辣,品质佳,适于熟食;高抗病毒病,抗霜霉病,对软腐病的抗性优于对照鲁萝卜1号。

Results These 48 Staphylococcus epidermidis isolates had different resistance to aminoglycusides. The resistance and susceptibility to gentamicin was 69% and 31% respectively. The resistance, susceptibility and intermediary to netilmicin was 8%, 79% and 13%, streptomycin was 42%, 35% and 23% and amikacin was 15%, 75% and 10%.

结果 48株临床分离的表皮葡萄球菌对4种氨基糖苷类抗菌药物的药敏特征分别为:对庆大霉素的耐药率为69%,敏感率为31%;对奈替米星的耐药率为8%,敏感率为79%,中介率为13%;对链霉素的耐药率为42%,敏感率为35%,中介率为23%;对阿米卡星的耐药率为15%,敏感率为75%,中介率为10%。

C.fatigans to Deltamethrin had a high resistance level in different regions of Jiangxi Province;The resistance to DDVP and Acetophenate showed apparent; The resistance to Bassa were not obvious.

摘 要 目的:探讨我省不同地区致乏库蚊对化学杀虫剂的抗药性现状。方法:采用浸渍法测定致乏库蚊幼虫的LC50。结果:不同地区致乏库蚊对溴氰菊酯均达到相当高的抗性水平;对敌敌畏和三氯杀虫酯的抗药性明显;对仲丁威的抗药性尚不明显。

The products use undee alloy belt and enwind on ceramic framework side stand, the surface is covered with dope which is insulating and can resistance to high temperature , it is good at emit heat and has the fixing bracket, the resistor has the ability of high power, low resistance, resistance to heat, easy to fix etc.

产品介绍:RXHG型涂料绕线电阻器是一种功率型绕线电阻器,该产品采用波状电阻合金带以侧立形式缠绕在陶瓷骨架上,表面被覆绝缘耐高温涂料,有利于散热,并配有安装支架,电阻器具有功率大,耐过载能力强,安装方便等特点。

Genetic analysis of soybean resistant to soybean nematode race 5. Crop Sci., 1989, 29:1181~1184.[4]Qiu B, Sleper D A et al. Inheritance of resistance to Heterodera glycines races 1,3, and 5 in Peking. Soybean Gen. Newsl., 1996, 23:183~185.[5]Rao-Arelli A P. Allelic loci in Peking soybean controlling resistance to Heterodera glycines races. Soybean Gen. Newsl., 1995, 22:170~172.[6]Rao-Arelli A P. Inheritance of resistance to Heterodera glycines race 3 in soybean accessions. Plant Dis., 1994, 78:898~900.[7]Golden A M, Epps J M, Riggs R G et al. Terminology

随机选取30个F3代的株系,每个株系随机选取10~15个单株,进行上述孢囊线虫的接种鉴定,设抗感亲本作对照。8个株系抗病,18个株系分离和4个株系感病。F3代株系间的抗感分离比例确认兴县灰布支黑豆对大豆孢囊线虫14号小种的抗性是由3对基因控制、一对隐性和两对显性基因、隐性基因上位、两对显性基因互补的遗传假设是正确的。

The resistance mechanism of wheat to insects includes tolerance, nonpreference and antibiosis. The dissertation investigates the wheat mechanism, indicators and standard of resistance to aphid and analyses the relation between four kinds of second substance and the wheat resistance to aphid and research the effect of wheat varieties on carboxylesterase and glutathione-s-transferase according to the tests of three mechanism, the content of second substance and the activity of relative detoxification enzyme.

本文通过不同小麦品种的不选择性、抗生性、次生物质含量及麦长管蚜体内有关解毒酶活性的测定,进一步探讨了小麦的抗蚜机制,探索了小麦的抗蚜指标及鉴定标准;研究分析了小麦中4种重要的次生物质含量与小麦抗蚜性的关系;测定了不同小麦品种对麦长管蚜羧酸酯酶和谷胱苷肽-S-转移酶的影响。

This paper reviewed the research advances in the resistance to in-suck fungicide, including the biological characteristics of resistant and sensitive phytopathogenic fungi, the mechanism of in-suck fungicide to phytopathogenic fungi, the resistant mechanism of phytopathogenic fungi to in-suck fungi, molecular detection techniques of fungicide resistance to phytopathogenic fungi and the application of the resistance-fungicide of phytopathogenic fungi.

本文综述了近年来国内外植物病原真菌对内吸性杀菌剂抗药性研究在抗性菌和敏感菌的生物学特征、内吸性杀菌剂对植物病原真菌的作用机制、植物病原真菌对内吸性杀菌剂的抗药机制、抗性菌株的分子检测技术以及抗药性利用等方面的成果。

objective to study the infection and sensitivity to antimicrobial agents of staphylococcus of bacterial prostatitis patients.methods the results of bacteriology and drug susceptibility of 421 patients,who were suffered from prostatitis,were analysed retrospectively.results in the 421 succus prostaticus samples,278 strains pathogenic microorganisms of 15 genera were isolated from the 273 succus prostaticus samples,and the major pathogenic microorganisms was staphylococcus aureus(57.2%) and coagulase negative staphylocous(17.3%.the drug resistance rate of staphylococcus to penicilling,erythromycin and albomycin was 88%-97%,and it was 33%-50% to fluoroquinolones.the drug resistance rate of staphylococcus to amikacin,cefazolin,nemycin,rifampicin and cefoperazone was lower than 30%,and they all appeared susceptible to vancomycin.conclusion staphylococcus is the main germ of bacterial prostatitis and it appears high drug resistance to usual antibacterials.staphylococcus is susceptible to vancomycin,amikacin,cefazolin,neomycin,rifampicin and cefoperazone.

目的 探讨细菌性前列腺炎患者葡萄球菌的感染状况及抗菌药物敏感性。方法回顾分析421例前列腺炎患者标本的细菌学和药物敏感性试验结果。结果 421例前列腺液标本,273例分离出细菌,共分离出15个种别共计278株病原菌,其中金黄色葡萄球菌占57.2%,凝固酶阴性葡萄球菌占17.3%;葡萄球菌对青霉素g、红霉素、白霉素耐药率为88%~97%,对氟喹诺酮类耐药率为33%~50%,对丁胺卡那霉素、头孢唑啉、新霉素、利福平和头孢哌酮耐药率均0%,对万古霉素全部显示敏感。结论葡萄球菌是细菌性前列腺炎的最常见病原菌,对临床常用抗菌药物具有较高的耐药性,葡萄球菌对万古霉素、丁胺卡那霉素、头孢唑啉、新霉素、利福平和头孢哌酮较为敏感。

Dr Michael Ayliffe from the CSIRO says the secret to rust resistance might be found in rice."Rice doesn't get infected by any rust pathogens which makes it very atypical in that sense," he said."So we're trying to work out what are the genes responsible for this resistance."The bigger picture would be to see if we can transfer them to wheat and see if they can provide a level of resistance to wheat stem rust.

联邦科学与工业研究组织的艾立夫博士表示抗锈病的机理很可能会在水稻中发现,水稻的特殊之处在于它不会被任何锈病抗原感染,所以他们正在竭力在水稻上寻找抗锈病基因,更关键的是看看能否把他们转移到小麦上并能产生一定的抗性。

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