Table grapes from Chile - Department of Agriculture, Fisheries and ...

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Draft IRA Report: table grapes from Chile Pest Common name Occurrence in Chile Grapevine leaf roll associated closterovirus Grapevine Leafroll disease Strawberry latent ringspot nepovirus Strawberry latent ringspot Yes Herrera & Reference Occurrence in Australia Madariaga, 2001 Tomato ringspot nepovirus Grapevine yellow vein Yes Herrera & Madariaga, 2001 Yes (uncertain as to which viruses/strains are common with Chile) Reference Consider pest further? (yes/no) Habili et al., 1996 Yes SAG, 2003 Yes Sivapalan et al., 2001 (WA only) – these species are considered further only with respect to the State of Western Australia due to their absence from this State. Uncertain Sivapalan et al., 2001 Yes No Yes Page 18
Draft IRA Report: table grapes from Chile APPENDIX 1B: ARTHROPODS AND DISEASES – (ASSOCIATION WITH TABLE GRAPE CLUSTERS) Pest Common name ARTHROPODS Acari (mites) Brevipalpus chilensis Baker [Acari: Tenuipalpidae] Eotetranychus lewisi (McGregor) [Acari: Tetranychidae] Oligonychus vitis Zaher & Shehata [Acari: Tetranychidae] Associated with table grape cluster (yes/no) False red mite Yes Feeds on the lower surface of the leaves. Lewis spider mite Table grape red mite Comment Reference Consider pest further? (yes/no) It is expected that mites will be found on stems, during their transit from leaf to leaf. Yes Mites are known to feed and lay eggs on both fruit and leaves of other species of hosts. It is expected that mites will be found on stems, during their transit from leaf to leaf. Yes Primarily feeds on foliage and lays eggs on the bases of buds or in scars in wood. Larvae move towards leaves and are found on upper and lower surfaces of leaves and shoots. The main damage to the plant consists of browning of the leaf laminae and a slight web production that favours dust deposition. The attack on the foliage can lead to early defoliation in certain grape varieties. Jeppson et al., 1975 Jeppson et al., 1975 Gonzalez, 1983 Yes Yes Yes Page 19
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