Dr. Gerald Atkinson – Page 3

GRAD® DRC5 Super rootstock

This new V. cinerea x V. riparia rootstock, which is unique to GRAD, is by some distance the toughest and most hardy cool-climate-adapted rootstock available in New Zealand.

GRAD® Clone 1 Viognier

Simply the best Viognier clone in Australasia for both wine quality and provenance.

‘White Shiraz’ in New South Wales: The History and Mystery of the Hunter Valley’s Trebbiano Plantings, Their Source, and Their Misidentification

This research paper addresses the remarkable apparent discovery revealed by Julie McIntyre and John Germov in their recently published book Hunter Wine: A History[i], viz.: that a vine named 'Shiraz' was in New South Wales by 1823 and that it was the source of the first plantings of Syrah (Shiraz / Hermitage / Red Hermitage) in the Hunter Valley.

The Origins, History, and Confusion of Pinot Noir Clone A.M. 10/5 and Certain Pinot Droit and Other Pinot Noir Clones in New Zealand

Gerald Atkinson's definitive account of the longstanding confusion in New Zealand between the Pinot noir clone A.M. 10/5 and the U.C. Davis upright-growing, Pinot droit, Pinot noir clone FVI60v15.

GRAD® Millardet et de Grasset 420A, Clone 1

In GRAD's opinion, and based on nearly two decades of observation, the best rootstock for use in close-planted high quality vineyards, and in particular those planted to the Pinot varieties. The GRAD®1 clone is free of detectable virus by PCR test, and was specially selected, through ten years of trials, for its superior robustness and exceptional level of tolerance for dry soil conditions.

GRAD® Millardet et de Grasset 106-8 Rootstock

The outstanding performance of the GRAD® 106-8 rootstock has proven it to be highly reliable, moderate-vigour, robust, and strongly drought-resistant. In addition, it has the advantage for New Zealand vineyards that, unlike the V. berlandieri x V. rupestris drought-resistant stocks, it is very well adapted to cool climate conditions.

GRAD® 44-53 Malegue cool-climate-adapted drought resistant rootstock

The outstanding performance of GRAD® 44-53 rootstock since GRAD® introduced it to New Zealand, proves it is a highly reliable, moderate-vigour, robust, and strongly drought resistant cool-climate-adapted rootstock.

GRAD® Muscat Hamburg Heritage Clone

Details of this table grape clone are currently being composed and edited for this webpage.

Approximately 250 – 300 buds from the GRAD® Muscat Hamburg Heritage clone foundation vine may be available for grafting in 2020.… Read more

GRAD®Kober 125AA, Clone 1

GRAD®1 Kober 125AA is an excellent choice for vineyards where irrigation and rainfall are limited but where deep soil moisture is retained into the last three months of the growing season. In addition, because of its deep plunging root system it is also of considerable utility in organic vineyards where under-vine cultivation is limited or is not practised.