WINETECH Technical Yearbook 2020

TABLE 1. Aster yellows management table indicating the control measures that must be applied during different stages of the season, as well as registered products for vector control.

Aster yellows management table

Month* (peak vector activity)

Jul

Aug * Sep Oct

Nov

Dec

Jan

* Feb Mar Apr May

* Jun

Bud break

Shoot growth

Post- harvest

Winter dormancy

Grapevine stage

Pruning Pruning/ bud break

Flowering

Véraison

Ripening Harvest Harvest Post- harvest

Weed control (insecticide, mechanical or hand weeding)

Weed control (insecticide, mechanical or hand weeding)

Weed control (insecticide, mechanical or hand weeding)

Alternative host control

Removal or marking of infected vines (shoots, cordons or entire vine) as soon as symptoms become visible

Plant only certified plant material

Removal of marked vines

Sanitation control

Wetting of total root zone

Imidacloprid (Kohinor 350 SC)

Chlorpyrifos (Dursban 480 EC; Dursban 750 WG) Indoxacarb (InCide 300 WG; Margin 300 WDG; Steward; Steward 150 EC)

Canopy spray

Vector control Only registered products; adhere to withholding periods

Canopy spray

Natural pyrethrins (Xterminator)

Canopy spray

WINETECH TECHNICAL YEARBOOK 2020 146