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| 1 | Invasive mechanism and management strategy of Bemisia tabaci(Gennadius) biotype B:Progress report of 973 Program on invasive alien species in China显示文摘Bemisia tabaci(Gennadius) biotype B,called a 'superbug',is one of the most harmful biotypes of this species complex worldwide.In this report,the invasive mechanism and management of B.tabaci biotype B,based on our 5-year studies,are presented.Six B.tabaci biotypes,B,Q,ZHJ1,ZHJ2,ZHJ3 and FJ1,have been identified in China.Biotype B dominates the other biotypes in many regions of the country.Genetic diversity in biotype B might be induced by host plant,geographical conditions,and/or insecticidal application.The activities of CarE(carboxylesterase) and GSTs(glutathione-S-transferase) in biotype B reared on cucumber and squash were greater than on other host plants,which might have increased its resistance to insecticides.The higher activities of detoxification enzymes in biotype B might be induced by the secondary metabolites in host plants.Higher adaptive ability of biotype B adults to adverse conditions might be linked to the expression of heat shock protein genes.The indigenous B.tabaci biotypes were displaced by the biotype B within 225 d.The asymmetric mating interactions and mutualism between biotype B and begomoviruses via its host plants speed up widespread invasion and displacement of other biotypes.B.tabaci biotype B displaced Trialeurodes vaporariorum(Westwood) after 4-7 generations under glasshouse conditions.Greater adaptive ability of the biotype B to adverse conditions and its rapid population increase might be the reasons of its successful displacement of T.vaporariorum.Greater ability of the biotype B to switch to different host plants may enrich its host plants,which might enable it to better compete with T.vaporariorum.Native predatory natural enemies possess greater ability to suppress B.tabaci under field conditions.The kairomones in the 3rd and 4th instars of biotype B may provide an important stimulus in host searching and location by its parasitoids.The present results provide useful information in explaining the mechanisms of genetic diversity,evolution and molecular eco-adaptation of biotype B.Furthermore,it provides a base for sustainable management of B.tabaci using biological and ecological measures. | WAN FangHao1,ZHANG GuiFen1,LIU ShuSheng2,LUO Chen3,CHU Dong4,ZHANG YouJun4,ZANG LianSheng2,JIU Min2,Lü ZhiChuang1,CUI XuHong1,ZHANG LiPing4,ZHANG Fan3,ZHANG QingWen5,LIU WanXue1,LIANG Pei5,LEI ZhongRen1 & ZHANG YongJun1 1 State Key Laboratory for Biology of Plant Diseases and Insect Pests,Institute of Plant Protection,Chinese Acadeny of Agriculture Sciences,Beijing 100094,China 2 Institute of Applied Entomology,Zhejiang University,Hangzhou 310029,China 3 Institute of Plant and Environment Protection,Beijing Academy of Agricultural and Forestry Sciences,Beijing 100089,China 4 Institute of Vegetables and Flowers,Chinese Acadeny of Agricullare Sciences,Beijing 100081,China 5 Department of Entomology,China Agriculture University,Beijing 100094,China | 2009 | Science China(Life Sciences)2009，52，1： | 30 |
| 2 | Genome-wide analysis of odorant-binding proteins and chemosensory proteins in the sweet potato whitefly, Bemisia tabaci显示文摘Odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) of insects are thought to play roles in olfactory recognition affecting host choice, copulation, reproduction and other behaviors. Previous descriptions of OBPs and CSPs in the whitefly Bemisia tabaci often provided no or incomplete genetic information. In this study, we present a genome-wide and transcriptome-wide investigation of the OBPs and CSPs in B. tabaci MEAMl (Middle East-Asia Minorl species). Eight OBP and 19 CSP genes were identified that covered all previous sequences. Phylogenetic analyses showed that the CSP genes had a lineage-specific expansion (BtabBCSP人 BtabBCSP3, BtabBCSPl3, BtabBCSPl 7, BtabBCSP18 and BtabBCSP 19). Expression profiling of OBPs and CSPs by transcriptome sequencing and quantitative real-time polymerase chain reaction (qPCR) revealed that expression patterns differed among developmental stages of B. tabaci MEAM 1. Five OBP genes and 11 CSP genes significantly differed between males and females;four of the 19 CSP genes were highly expressed in adults, while two were highly expressed in nymphs. The expression profiles of the OBP and CSP genes in different tissues of B. tabaci MEAM1 adults were analyzed by qPCR. Four OBP genes found in B. tabaci MEAM 1 were highly expressed in the head. Conversely, only two CSPs were enriched in the head, while the other six CSPs were specifically expressed in other tissues. Our results provide a foundation for future research on OBPs and CSPs in B. tabaci. | Yang Zeng Yu-Ting Yang Qing-Jun Wu Shao-Li Wang Wen Xie You-Jun Zhang | 2019 | Insect Science2019，26，4： | 11 |
| 3 | Sequence Analysis of mtDNA CO/Gene and Molecular Phylogeny of Different Geographical Populations of Bemisia tabaci (Gennadius)显示文摘Bemisia tabaci(Gennadius) is a serious pest in many cropping systems worldwide and occurs in different biotypes. ThemtDNA COI gene of the 12 Bemisia tabaci (Gennadius) populations from different regions and countries were analyzed.Based on mtDNA COI sequences, their biotypes were characterized and phylogenetic relationships among thesepopulations were established with the method of UPGMA. The results indicated the genetic similarity between thosepopulations from Beijing, Zhengzhou, Zaozhuang, Nanjing, Shanghai, Haikou, and the B-biotype populations fromCalifornia, Texas, Arizona reached 99.8-100%, which meant the nation-wide infested populations of B.tabaci in China inrecent years were B-biotypes. Another population collected from Kunming of Yunnan Province showed very high similaritywith Q-biotype B.tabaci from Spain and Morocco, which meant the Kunming population was Q-biotype. This is the firstreport on the invasion of Q-biotype into China. | CHUDong ZHANGYou-jun CONGBin XUBao-yun WUQing-jun ZHUGuo-ren | 2005 | Agricultural Sciences in China2005，4，7： | 7 |
| 4 | Transmission characteristics of Tomato chlorosis virus (ToCV) by Bemisia tabaci MED and its effects on host preference of vector whitefly显示文摘The epidemiology of Tomato chlorosis virus(ToCV)in China is closely associated with its vector whitefly,Bemisia tabaci(Gennadius)MED.However,the transmission characteristics of ToCV by B.tabaci MED remain poorly understood.In this study,we analyzed:1)the horizontal and vertical transmission of ToCV by B.tabaci MED whiteflies;2)the acquisition of ToCV by male and female B.tabaci MED whiteflies after different feeding durations;3)the transmission efficacy of viruliferous male and female B.tabaci MED whiteflies after different inoculation access periods(IAPs);4)the retention of ToCV by viruliferous male and female B.tabaci MED whiteflies after a 48 h acquisition access period(AAP);and 5)the effects of ToCV on host choice of healthy or ToCV-infected tomato plant of viruliferous and non-viruliferous B.tabaci MED at different time points.Our results showed that:1)viruliferous males could not transfer ToCV to non-viruliferous females,and vice versa,viruliferous females could not pass on ToCV to non-viruliferous males.ToCV could not be detected in the F1 generation adults;2)ToCV could be detected within 4.0%of females or males after a 20 min AAP;3)ToCV could be detected in 33.3%of tomato plants inoculated by 10 viruliferous males or females with IAPs of 20 or 30 min;4)the maximum retention time in females was 7 and 5 days in males;and 5)non-viruliferous B.tabaci MED did not show a preference for ToCV-infected tomato plants or healthy tomato plants.However,viruliferous B.tabaci MED whiteflies did prefer to settle on healthy tomato plants over ToCV-infected tomato plants.These findings will be helpful to better understand the epidemiology of the recently emerged plant virus,ToCV,in tomato fields in China. | WEI Ke-ke LI Jie DING Tian-bo LIU Tong-xian CHU Dong | 2019 | Journal of Integrative Agriculture2019，18，9： | 4 |
| 5 | Development and reproduction of Bemisia tabaci (Homoptera: Aleyrodidae) on three bean species显示文摘The development, survivorship and reproduction of Bemisia tabaci B-biotype on three bean species were studied at 26 ± 1 ℃ in the laboratory. The developmental periods from egg to adult varied from 27.80 days on garden beans to 18.20 days on soybeans. The survivorship from egg to adult on soybeans, cowpeas and garden beans was 77.14, 70.14 and 64.28%, respectively. The average longevity of female adults ranged from 12.30 days on soybeans to 9.80 days on garden beans, and the oviposition of B. tabaci varied from 160.85 eggs on soybeans to 98.00 eggs on garden beans. Life table parameters were calculated as biological attributes for Bemisia tabaci populations fed on three bean species. The results indicated that the intrinsic rate of increase (rm), the finite rate of increase ( λ ) and net reproductive rate (R0) were high for populations fed on soybeans, with values of 0.1857,1.2041 and 82.1576, respectively. The corresponding values were less for populations fed on garden beans, with values of 0.1097, 1.1159 and 31.2661, respectively. The parametric values for cowpeas were intermediate between soybeans and garden beans but no significant difference were observed for the rm values for soybeans and cowpeas. Experimental evidence in our investigation indicated that Bemisia tabaci is best adapted and shows the greatest preference for soybean of the three bean species tested in this study. | PETERD.MUSA SHUN-XIANGREN | 2005 | Insect Science2005，12，1： | 3 |
| 6 | 烟粉虱防治药剂筛选及其混配组合的应用效果研究显示文摘为筛选防治烟粉虱的高效安全药剂并探索其药剂防控技术的优化配套,2012-2013年进行了防治药剂不同浓度处理及不同混配组合对瓜类烟粉虱成虫的防控效果及安全性的田间试验。结果表明,对长瓜烟粉虱的防治,240 g/L氟啶虫胺腈悬浮剂效果最好,药后24 h至14 d防效在68%以上;吡蚜酮与哒螨灵混配后防效显著高于单剂处理。对水果黄瓜烟粉虱的防治,50%杀虫环可溶粉剂与5.7%甲维盐水分散粒剂不同浓度混配处理药后24 h至7 d防效在80%以上,与240 g/L氟啶虫胺腈悬浮剂等其他药剂防效相当;且混配处理后对红蜘蛛有较好的兼治作用。此外,吡蚜酮+哒螨灵、杀虫环+甲维盐的药剂混配组合,可与氟啶虫胺腈等药剂按推荐剂量在田间轮换使用,延缓抗药性的产生。 | 吴燕君 洪文英 颜韶兵 黄凯美 邹宜静 | 2014 | 长江蔬菜2014，，16： | 3 |
| 7 | Characterization of field-evolved resistance to cyantraniliprole in Bemisia tabaci MED from China显示文摘Cyantraniliprole is a novel anthranilic diamide insecticide with significant efficacy against Bemisia tabaci,an important pest insect worldwide.In this study,we conducted reversion and selection work and genetic analysis,and determined cross-resistance spectrum and synergism of cyantraniliprole resistance based on the reported population,SX population,of B.tabaci collected from Shanxi Province,China.Compared with a susceptible strain(MED-S),SX population,the field-evolved cyantraniliprole-resistant population exhibited 26.4-fold higher resistance to cyantraniliprole.In SX,a sharp decline of cyantraniliprole resistance was shown in the absence of selection.Another tested strain,SX-R,was established from SX population after successive selection with cyantraniliprole and recently developed 138.4-fold high resistance to cyantraniliprole.SX-R had no cross-resistance to abamectin,imidacloprid,thiamethoxam,sulfoxaflor,or bifenthrin.Genetic analysis illustrated that cyantraniliprole resistance in SX-R was autosomally inherited and incompletely dominant.Additionally,piperonyl butoxide(PBO)significantly inhibited cyantraniliprole resistance in the SX-R strain.In conclusion,the selection of SX with cyantraniliprole led to high resistance to cyantraniliprole which is incompletely dominant and no cross-resistance to several common types of insecticides.Enhanced oxidative metabolism is possibly involved in the resistance of SX-R,yet target-site resistance could not be excluded. | WANG Ran WANG Jin-da CHE Wu-nan SUN Yan LI Wen-xiang LUO Chen | 2019 | Journal of Integrative Agriculture2019，18，11： | 2 |
| 8 | Development and reproduction of ‘B' biotype Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae) on four ornamentals显示文摘Effects of four commercial ornamentals on the development, survivorship and reproduction of the whitefly B biotype Bemisia tabaci (Gennadius) were studied in the laboratory (temperature 26 ±1℃; relative humidity 75%-90%; L: D 14:10). The total survivorship from egg to adult on hibiscus (Hibiscus rosa-sinensis L.), poinsettia (Euphorbia pulcherrima Will), cottonrose hibiscus (Hibiscus mutabilis L.) and variegated leafcroton (Codiaeum variegatum ‘Aucubaefolium') were 33.69%, 40.55%, 79.11%, and 29.39%,respectively. The developmental periods from egg to adult varied from 23.12 days on cottonrose hibiscus to 32.13 days on hibiscus. The average longevity of adult females ranged from 6.87 days on variegated leafcroton to 21.07 days on poinsettia. The average numbers of eggs laid per female were 9.20, 25.13, 54.45, and 26.79 on the above respective hosts. The intrinsic rates of natural increase (rm) for B biotype B. tabaci on cottonrose hibiscus was the highest. Based on life table analyses of whitefly populations, cottonrose hibiscus was the most suitable host for B biotype B. tabaci in this study. | LILIN SHUN-XIANGREN | 2005 | Insect Science2005，12，2： | 2 |
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