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Efficacy of steam and hot water disinfestation treatments against genetically diverse strains of grape phylloxera Daktulosphaira vitifoliae Fitch (Hemiptera: Phylloxeridae) on viticulture equipment and machinery

Efficacy of steam and hot water disinfestation treatments against genetically diverse strains of... IntroductionGrape phylloxera, Daktulosphaira vitifoliae Fitch (Hemiptera: Phylloxeridae), is a serious pest of grapevines (Vitis spp.) worldwide (Granett et al. ). A native of eastern North America, grape phylloxera feed on the roots and leaves of grapevines, depending on the phylloxera genetic strain (Powell et al. ). Radicolae (root‐feeding) phylloxera induces galls when feeding on European grapevine Vitis vinifera L. roots, consequently exposing the host roots to secondary fungal infections (Omer et al. ). First instar nymphs overwinter under the bark of vine stems or on roots (Coombe , Granett et al. ). In spring, the first instars become active; establish feeding sites; and develop on immature, non‐lignified and older, lignified roots (Omer et al. , Powell et al. ). In summer, the first instars actively crawl above‐ground and can be found on the soil surface and grapevine foliage, stems, trunks and grape bunches (King and Buchanan , Deretic et al. ). The first instar is, therefore, the most mobile and is easily transferrable on both vineyard machinery and grape harvesting bins (Powell et al. , ).Vitis vinifera shows symptoms, such as low vigour, premature yellowing and reduced grapevine canopy and grape bunch size, once grape phylloxera is established on http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Journal of Grape and Wine Research Wiley

Efficacy of steam and hot water disinfestation treatments against genetically diverse strains of grape phylloxera Daktulosphaira vitifoliae Fitch (Hemiptera: Phylloxeridae) on viticulture equipment and machinery

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References (47)

Publisher
Wiley
Copyright
© 2018 Australian Society of Viticulture and Oenology Inc.
ISSN
1322-7130
eISSN
1755-0238
DOI
10.1111/ajgw.12329
Publisher site
See Article on Publisher Site

Abstract

IntroductionGrape phylloxera, Daktulosphaira vitifoliae Fitch (Hemiptera: Phylloxeridae), is a serious pest of grapevines (Vitis spp.) worldwide (Granett et al. ). A native of eastern North America, grape phylloxera feed on the roots and leaves of grapevines, depending on the phylloxera genetic strain (Powell et al. ). Radicolae (root‐feeding) phylloxera induces galls when feeding on European grapevine Vitis vinifera L. roots, consequently exposing the host roots to secondary fungal infections (Omer et al. ). First instar nymphs overwinter under the bark of vine stems or on roots (Coombe , Granett et al. ). In spring, the first instars become active; establish feeding sites; and develop on immature, non‐lignified and older, lignified roots (Omer et al. , Powell et al. ). In summer, the first instars actively crawl above‐ground and can be found on the soil surface and grapevine foliage, stems, trunks and grape bunches (King and Buchanan , Deretic et al. ). The first instar is, therefore, the most mobile and is easily transferrable on both vineyard machinery and grape harvesting bins (Powell et al. , ).Vitis vinifera shows symptoms, such as low vigour, premature yellowing and reduced grapevine canopy and grape bunch size, once grape phylloxera is established on

Journal

Australian Journal of Grape and Wine ResearchWiley

Published: Jan 1, 2018

Keywords: ; ; ; ;

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