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1·The results of virulence test indicated that: the amount of honeydew excreted by ARC and ND colony did not differ on their corresponding host varieties from TN1 and was much higher than that on RHT.

ARC种群和ND种群分别在其相应的寄主品种和TN1上分泌的蜜露量没有显著差异，且明显大于其在RHT上分泌的蜜露量。

2·The vitro methods include autoagglutination test, calcium dependency test, pyrazinamidase test, salicin fermentation, esculin hydrolysis, Congo red colony test and virulence plasmid.

体外法包括自凝试验、依钙试验、吡嗪酰胺酶试验、水杨苷发酵、七叶苷水解、刚果红菌落试验和毒力质粒。

3·Methods Making use of enterobacterial virulence and invasive test, DNA profile analysis and challenge test of rhesus monkey to determine the safety and stability of S7 and S7R.

方法应用肠道细菌毒力和侵袭力检测、宋内菌大质粒DNA图谱分析和猴体口服耐受试验对S7株、S7R株进行安全性和稳定性分析。

4·Objective To test virulence of compound of Chlorpyrifos and Fendona against Blattella germanica in laboratory.

目的测试毒死蜱与奋斗呐复配制剂在实验室内对德国小蠊的毒效作用。

5·The virus was analyzed by the animal pathogenicity test, virus attenuation, protection of the attenuated virus and virulence return experiment.

对分离的痘病毒进行动物致病性试验、病毒分离传代和致弱试验、致弱毒保护力试验和返强试验。