Effectiveness of an Attenuated Zucchini yellow mosaic virus Isolate for Cross-Protecting Cucumber

Plant Disease
Yoshitaka KosakaMitsunobu Kataoka

Abstract

To cross-protect cucumber plants from Zucchini yellow mosaic virus (ZYMV), we used cold treatment to obtain an attenuated isolate of ZYMV, designated ZYMV-2002. ZYMV-2002 was obtained from a virulent ZYMV isolate after repeated low temperature treatment at 12.5 to 15°C followed by five cycles of single-plant transfer. The isolate produced very mild or no symptoms on cucurbit plants. In addition, inoculated cucumber plants had very similar fruit productivity to healthy control plants under field conditions. During field experiments in 2002 and 2003, when other viruses were also present, protected plants significantly suppressed infection with ZYMV, progression of disease severity, and reduction of fruit yield and quality. These results demonstrate that ZYMV-2002 is a potentially useful attenuated ZYMV isolate for reducing the impact of ZYMV.

Citations

Sep 13, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Masashi AmanoYoshiyuki Imura
Dec 9, 2014·Frontiers in Plant Science·Valérie Nicaise
Aug 19, 2015·Proceedings of the National Academy of Sciences of the United States of America·Sotaro Chiba, Nobuhiro Suzuki
Nov 30, 2018·Molecular Biotechnology·Vahid KarimzadeganMokhtar Jalali Javaran

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