Effect of Simulated Wind-Driven Rain on Duration and Distance of Dispersal of Xanthomonas axonopodis pv. citri from Canker-Infected Citrus Trees

Plant Disease
C H BockT R Gottwald

Abstract

Dynamics of dispersal of the bacteria that causes citrus canker (Xanthomonas axonopodis pv. citri) were assessed in simulated wind-driven rain splash. The wind/rain-splash events were simulated using electric blowers to generate turbulent wind (15 to 20 m s-1) and sprayer nozzles to produce water droplets entrained in the wind flow. The splash was blown at an inoculum source of canker-infected trees 1 m downwind. The splash downwind of the source of the infected trees was collected by vertical panel samplers and funnel samplers. The duration over which bacteria were dispersed in spray was assessed in continuous wind at intervals from 0 to 52 h after commencing the simulated rain splash event. In one experiment on 11 February 2003, a total of 1.48 × 106 bacteria were collected by panels 1 m downwind from the inoculum source during the first 10 min of dispersal, but the numbers declined to 3.60 × 105 bacteria after 1 h and ranged between 1.42 × 105 and 1.93 × 104 up to 52 h. In a more detailed study (15 July 2003) of dispersal duration over 4 h, the greatest quantity of bacteria collected by panel samplers were dispersed in the first 5-min period (1.01 × 108 bacteria collected). By 10 min after initiation of dispersal, approximat...Continue Reading

References

Jan 1, 1991·Biotechnology·C D Upper, S S Hirano
Jan 1, 1997·European Journal of Clinical Pharmacology·M L McFadyenT M Ludden
Oct 24, 2008·Phytopathology·Tim R GottwaldEarl L Taylor
Oct 24, 2008·Phytopathology·C C MundtR F Alfonso
Apr 1, 2001·Plant Disease·Tim S SchubertWayne N Dixon

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Citations

Nov 13, 2019·Phytopathology·Christopher Michael FerenceElizabeth Baldwin
Oct 12, 2018·International Journal of Molecular Sciences·Ana Carolina NazaréLuis Octavio Regasini
Apr 26, 2014·PLoS Computational Biology·Franco M NeriChristopher A Gilligan
Mar 12, 2018·Archives of Microbiology·Abigail SaviettoHenrique Ferreira
Aug 8, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Pei LiZhuang Wang
May 11, 2017·Scientific Reports·Katherine E HendricksPamela D Roberts
Dec 8, 2020·Frontiers in Microbiology·Libin JiangMingdong Huang
Dec 21, 2021·Journal of Applied Microbiology·Gabrielle VieiraDaiane C Sass

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