curly shoot virus and tomato yellow leaf curl virus. These predatethe arrival of biotype B, but the new arrival does particularly well on plants infected by them.
在中国，烟粉虱传播烟草曲茎病毒和番茄黄曲叶病毒，这些病毒在B生物型入侵前便有之，但新的生物型在感染该等病毒的植株上活得尤为“有滋有味”。
A mutated “biotype B” insect emerged in Napa Valley in 1980 and did an estimated $6 billion of damage before wide-scale uprooting, burning and replanting was completed in 1995.
1980年，加州纳帕谷出现了一种基因突变的“同型小种B型”蚜虫。 这种蚜虫造成了估计60亿美元的损失，随后葡萄园开始了大规模连根拔除，烧毁并重新栽种于1995年完成。
The results showed that the invasive B biotype has the capacity to displace the non-B biotype in a short period of time.
这说明B型烟粉虱具有在短期内竞争取代浙江非B型烟粉虱的能力。
The results indicated that all 8 populations were of the biotype B.
综合上述结果，说明福建省8个烟粉虱种群均属于生物型“B”。
The results showed that:(1)the specific amplified patterns using the primer H16 could distinguish biotype B populations from biotype Q populations and non-B/Q biotype population in Zhejiang province;
结果表明：（1）引物H16对烟粉虱B型不同种群扩增的特异带，能有效区分烟粉虱B型和Q型、浙江非B/Q型种群；
Phylogenetic analysis of primary endosymbionts based on 16S rDNA indicates that the non-B biotype is native to China while the B biotype is an invasive biotype.
初生共生细菌的系统发育分析表明，B型是入侵生物型，而浙江非B型是本地生物型。
Phylogenetic analysis of primary endosymbionts based on 16S rDNA indicates that the non-B biotype is native to China while the B biotype is an invasive biotype.
初生共生细菌的系统发育分析表明，B型是入侵生物型，而浙江非B型是本地生物型。
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