Articles
COMPOSTED WINERY WASTE AND ITS INFLUENCE ON GRAPE PHYLLOXERA IN UNGRAFTED VINEYARDS
Article number
733_15
Pages
143 – 149
Language
English
Abstract
A field-based study was conducted over three consecutive grapevine growing seasons in the hot climate Nagambie region of Central Victoria, Australia.
The study assessed the effect of composted winery waste (grape marc or pomace) on the population dynamics and risk of dispersal of root-feeding grape phylloxera Daktulosphaira vitifoliae on ungrafted Vitis vinifera Semillion grapevines.
Grape yield and quality was also assessed to determine the effect of compost application.
Root-galling populations of phylloxera, assessed in winter and late summer were not significantly affected by application of composted grape marc.
Phylloxera emergence at the soil surface was significantly reduced by a single application of two composted marc formulations.
The implications of these results for phylloxera management on ungrafted V. vinifera grapevines, and reuse of winery waste in phylloxera-infested regions is discussed.
The study assessed the effect of composted winery waste (grape marc or pomace) on the population dynamics and risk of dispersal of root-feeding grape phylloxera Daktulosphaira vitifoliae on ungrafted Vitis vinifera Semillion grapevines.
Grape yield and quality was also assessed to determine the effect of compost application.
Root-galling populations of phylloxera, assessed in winter and late summer were not significantly affected by application of composted grape marc.
Phylloxera emergence at the soil surface was significantly reduced by a single application of two composted marc formulations.
The implications of these results for phylloxera management on ungrafted V. vinifera grapevines, and reuse of winery waste in phylloxera-infested regions is discussed.
Publication
Authors
K.S. Powell, C.J. Trethowan, A.L. Blanchfield, S. Norng
Keywords
grapevine, Daktulosphaira vitifoliae, population dynamics, quarantine, mulch, marc, dispersal
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