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| Authors: | R. ADDANTE, T. MOLEAS |
| Keywords: | European grapevine moth, mating disruption method, vine |
Abstract:
The mating disruption method against Lobesia botrana (Den. et Schiff.), applied in Apulia in the same vineyards on the five-year period 1990–94, gave the following results:
- the drastic reduction of male captures in the mating disruption plots was confirmed;
- the wide fluctuation of the larval infestation over the years does not allow a unique interpretation of the data observed, nevertheless a reduction of the larval infestation of the second and third generation in the mating disruption plot compared with the untreated ones was recorded during 1990–94; this tendency could probably lead, within a few years, to a larval infestation under the economic injury level for wine grapes;
- predators of European grapevine moth larvae (Neuroptera and Arachnida mainly) are few in the 2nd generation, but they increase during the 3rd and this contributes to reduce the phytophagous infestation;
- the mating disruption method against L. botrana was successfully used in wine vineyards, but it failed to keep the larval infestation under the very low threshold of 2–3% required at present by table grapes market.
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