Anemone - an Additional Perennial Ornamental Host of Tobacco Rattle Virus in the U.S.

Author:

Lockhart B. E.1,Westendorp J. A.2

Affiliation:

1. Department of Plant Pathology, University of Minnesota, St. Paul 55108

2. Walters Gardens, Inc., Zeeland, MI 49464

Abstract

A previous report (1) drew attention to the occurrence in the U.S. of tobacco rattle tobravirus (TRV) in several perennial ornamentals that move freely in international trade. Here we report the occurrence of TRV in an additional host plant of this type. The virus was identified in anemone (Anemone × hybrida cv. Honorine Jobert) with leaf symptoms consisting of chlorotic blotches, chlorotic line patterns, and distortion. Characteristic tobravirus-like particles with modal lengths of 50, 80, 130, and 180 nm were observed by electron microscopy in partially purified extracts of symptomatic but not of asymptomatic plants. These particles reacted specifically with antibodies to TRV and pea early-browning (PEBV) tobraviruses in immunoelectron microscopic (IEM) assays, produced typical TRV-induced symptoms in Nicotiana benthamiana and N. clevelandii, in which similar particles were detected by IEM, but, like other TRV isolates, did not infect pea (2). No other viruslike particles were observed in partially purified extracts of symptomatic anemone plants. This is the first report of TRV infection in anemone. While TRV occurs widely in Europe, it had been identified previously in the U.S. only in Oregon, Washington, and California (1,2,3). This virus is an important pathogen of several crops, including potato. Several areas of the Midwest, including Minnesota and Wisconsin, have significant seed-potato industries, and further introduction and possible dissemination of TRV pose potential regulatory and quarantine issues. This example of the movement of an exotic pathogen of potential economic importance into new areas underlines the need for closer monitoring of plant material entering international trade in an era of increasing globalization. References: (1) B. E. Lockhart et al. Plant Dis. 79:1249, 1995. (2) B. E. L. Lockhart and H. U. Fischer. Phytopathology 66:1391, 1976. (3) J. M. Crosslin and P. E. Thomas. Am. Potato J. 72:605, 1995.

Publisher

Scientific Societies

Subject

Plant Science,Agronomy and Crop Science

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3