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A severe late October hailstorm caused damage in the Mildura district. Within the affected area 50 – 95% of the crop was lost, shoots were badly damaged and there was considerable defoliation.
It was considered advisable to determine if any advantage would result from re-pruning.
This consisted of cutting back the injured shoots in the pruning area to two buds, in the hope of stimulating growth of strong laterals which would then serve as pruning wood during the next season.
The results suggest that the extra labour of re-pruning is not warranted, and, on general grounds, it would appear very problematical whether it would be worth while under any conditions.
A Note on the Treatment of Hail-Damaged Sultana Vines
1936, Journal of the Council for Scientific and Industrial Research, vol 9, month 11, pages 315 – 316
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