Flavescence dorée elimination from dormant wood of grapevines by hot-water treatment
- 1 April 1997
- journal article
- Published by Hindawi Limited in Australian Journal of Grape and Wine Research
- Vol. 3 (1), 21-25
- https://doi.org/10.1111/j.1755-0238.1997.tb00112.x
Abstract
Flavescence dorée (FD) and other types of grapevine yellows are serious diseases of grapevines caused by phytoplasmas. FD is spread by a leafhopper species, and it has been shown to be transmitted by using infected cuttings. Data are presented for the effective use of hot-water treatment to eliminate FD. Immersion time has to be increased logarithmically when temperature is reduced linearly. The effective treatments range from 10 h at 40°C to 10 min at 55°C. The eggs of the leafhopper vector of FD, Scaphoideus titanus, are also killed by immersion at 50°C for 45 minutes. This temperature/time combination is recommended for treating dormant cuttings of grapevines for the elimination of FD.Keywords
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