Grape phylloxera resource for Central Otago grape growers
The insect is variously called by the scientific names Phylloxera vitifoliae and Daktulosphaira vitifoliae. American and Australian authorities prefer the latter but British authorities the former. Similarly, it is known by the common names of grape phylloxera, phylloxera or grapevine louse. The first is the approved common name in New Zealand and the last should not be used since the insect is an aphid and not a louse. This aphid is a native of North America that has been spread into nearly every significant grape-growing region in the world. It has been present in New Zealand since the latter part of the 19th century and is known to affect grapes in Gisborne, Hawke's Bay and Marlborough.... [Show full abstract]
Keywordsaphids; Central Otago; grape diseases; grape pests; grape phylloxera; Phylloxera vitifoliae; Daktulosphaira vitifoliae
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The effects of hormones and temperature on the initiation of inflorescences and tendrils and the morphology of shoots and roots in grapes Palma, Benny A. (Lincoln College, University of Canterbury, 1985)The experiments reported investigated the response of buds, shoots and roots of Vitis vinifera L. cv. Riesling to hormones and temperature. They were done on one-year-old one-node potted cuttings growing in a shadehouse ...
Crawford, Michelle A. (Lincoln University, 2007)The influence of reflective mulch on Pinot noir grape and wine quality was investigated over the 2004-2005 season at Upper Moutere in Nelson, New Zealand. This trial used mussel shells as a reflective mulch to improve the ...
Wardman Rhyan, C. (Lincoln University, 1995)A rapid high performance liquid chromatography (HPLC) method incorporating the use of an Aminex HPX-87H organic acid column was developed for the separation, identification and quantitative analysis of gluconic acid and ...