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	Stylet penetration by adult Homalodisca coagulata on grape: Electrical penetration graph waveform characterization, tissue correlation, and possible implications for transmission of Xylella fastidiosa
	Backus, EA ; Habibi, J ; Yan, FM ; Ellersieck, M
	2005
关键词	Homalodisca coagulata electrical penetration graph electronic monitoring of insect feeding probing Pierce&apos SENSORY SYSTEMS GRAPHOCEPHALA-ATROPUNCTATA PROBING BEHAVIOR FEEDING-BEHAVIOR CICADELLIDAE HOMOPTERA LEAFHOPPER SHARPSHOOTER HEMIPTERA BACTERIA s disease
DOI	10.1603/0013-8746(2005)098[0787:SPBAHC]2.0.CO;2
英文摘要	The sharpshooter Homalodisca coagulata (Say) (Hemiptera: Cicadellidae: Cicadellinae) is an exotic vector of the Pierce's disease (PD) bacterium, Xylella fastidiosa (Wells et al.), that was first observed in California in 1989. H. coagulata has since greatly increased the threat of PD to the grape industry as well as stone fruit, nursery, and ornamental industries in California. This is the first in a series of articles that together describe how sharpshooter stylet penetration behaviors (especially intricate stylet activities, salivation, and ingestion) control transmission (i.e., acquisition and inoculation) of X. fastidiosa. Herein, we categorized and characterized alternating current electrical penetration graph (EPG) waveforms from glass-winged sharpshooter stylet penetration on petiole of susceptible grape ('Cabernet Sauvignon'), paying special attention to waveform fine structures that are likely to be the key to detecting the instant of inoculation. We also correlated waveforms with salivary sheath termini in grape tissues. For the first time in any EPG study of leafhopper or planthopper feeding, we demonstrate through case studies of individual probes how to follow the process of stylet penetration step by step as it is occurring, including salivary sheath branching and when the stylets first puncture a xylem cell. Finally, we discuss the implications of our findings for understanding the transmission mechanism of X. fastidiosa, in comparison with hypothesized mechanisms in the literature.; Entomology; SCI(E); 37; ARTICLE; 6; 787-813; 98
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/399424]
专题	生命科学学院
推荐引用方式 GB/T 7714	Backus, EA,Habibi, J,Yan, FM,et al. Stylet penetration by adult Homalodisca coagulata on grape: Electrical penetration graph waveform characterization, tissue correlation, and possible implications for transmission of Xylella fastidiosa[J],2005.
APA	Backus, EA,Habibi, J,Yan, FM,&Ellersieck, M.(2005).Stylet penetration by adult Homalodisca coagulata on grape: Electrical penetration graph waveform characterization, tissue correlation, and possible implications for transmission of Xylella fastidiosa..
MLA	Backus, EA,et al."Stylet penetration by adult Homalodisca coagulata on grape: Electrical penetration graph waveform characterization, tissue correlation, and possible implications for transmission of Xylella fastidiosa".(2005).

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