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Updated: Feb 25, 2026

Transmitting Plant Viruses Using Whiteflies
Published on: November 8, 2013
Drought reduces transmission of Turnip yellows virus, an insect-vectored circulative virus
Michel Yvon1, Denis Vile2, Véronique Brault3
1INRA, UMR385, CIRAD TA-A54 K, Campus International de Baillarguet, 34398 Montpellier Cedex 05, France.
Abstract:
Application of a severe water deficit to Arabidopsis thaliana plants infected with a mutant of Turnip yellows virus (TuYV, Family Luteoviridae) triggers a significant alteration of several plant phenology traits and strongly reduces the transmission efficiency of the virus by aphids. Although virus accumulation in water-stressed plants was similar to that in plants grown under well-watered conditions, virus accumulation was reduced in aphids fed on plants under water deficit. These results suggest alteration of the aphid feeding behavior on plants under water deficit.
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