ISHS Acta Horticulturae 586: IV International Symposium on Olive Growing
CONTROL OF OLIVE VERTICILLIUM WILT BY TRUNK INJECTION WITH DIFFERENT DOSES OF FOSETYL-AL AND BENOMYL |
| Authors: | R. Mulè, A.S. Fodale, A. Tucci |
| Keywords: | Verticillium dahliae, Olea europaea, trunk injection, control |
| DOI: | 10.17660/ActaHortic.2002.586.164 |
| Abstract:
A chemical field trial against Verticillium wilt was carried out in four-year-old ‘Nocellara del Belice’ olive trees. Trees were injected with fosetyl-Al and benomyl in the main trunk using two plastic syringes and 120 ml of solution per plant. There were five replicates of each treatment on single trees. The treatments used in the experiment were: fosetyl-Al injected once a year at a rate of 7.5 - 15 - 30 - 60 - 120 g/L by using an aqueous solution made from an 80% a.i. AM formulation. Benomyl was injected in a similar way at a rate of 1.5 - 3 - 6 - 12 and 24 g/L by using an aqueous solution made with a 50% a.i. WP formulation. The results showed this technique to be particularly efficient with only one treatment at the highest dose of both active ingredients. All trees treated with these doses showed no wilt and a good vegetative growth at the end of the trial. | |
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