Galería Agrointegra

Dissemination of results of AGROintegra demonstrations in chard, spinach and broccoli on plots of GELAGRI IBÉRICA, S. L.

Last September 19 took place at the S. COOP. Santiago Apóstol de Funes, the day of results presented by GELAGRI IBÉRICA, S. L. on the demonstrations by integrating biotechnical measures in spinach and chard crops and the use of flowery and loose bands of auxiliary fauna, for broccoli production, carried out on an industrial scale in the framework of the LIFE AGROintegra project.

The conference was attended by 60 people among farmers and technicians interested in checking the performance of these new measures to control the most important pests of these crops.

The kit conference fulfilled one of the main objectives of the European project LIFE AGROintegra in the demonstration of sustainable alternatives to chemical control in crop protection in Europe, a project led by the Government of Navarre and whose technical direction is the responsibility of INTIA.

GELAGRI IBÉRICA, S. L., a vegetable freezer company located in Milagro (Navarre), in its desire to support the agricultural sector, is participating in the LIFE AGROintegra project with real scale demonstrations in the field, during two agricultural seasons that it covers.

The Gelagri Natividad Luqui Technique began the day by delivering to the farmers collaborators of the project, the "Farmers' Professionalization Kit" prepared by INTIA within the framework of the project, which includes a team of pest, disease and weed observers (multilayer, vegetation insect sampling tray, fine-tipped tweezers and vials for insect capture and transfer to the laboratory for identification), an Individual Protection Equipment (IPS) for the application of the product.

Luqui then explained the results obtained in the demonstrations on spinach and chard. About 96.63 ha and 33.69 ha respectively, during the 2015 and 2016 campaigns. The biotechnical measures used for etrampaGl control of lepidoptera pests, in crops managed by the technicians of GELAGRI IBÉRICA, S. L, are mainly funnel-type traps (Figure 1. a), destined to the monitoring and massive capture of adults, and pheromone diffusers (Figure 1. b).

Of the results obtained, Natividad Luqui highlighted that with the biotechnical measures applied in spring, there is a delay in the time of treatment, which varies between one week and one month, with respect to the witness plot.

Therefore, it can be seen that probably, in short cycle horticultural crops, the use of these techniques can eliminate treatments (provided that climatic conditions are the usual ones for the area, crop and season under study).

On the other hand, in summer, with greater pest pressure, the entry to be treated is delayed only one week with respect to the control plot. After the presentation of these results, the attendees addressed the demonstration plots of broccoli. In this crop Gelagri has carried out experiments on 35.5 hectares in the last two seasons. In two plots located in Funes and Villafranca, the sexual confusion and the combination of the release of auxiliary fauna with the sowing of flowering bands were verified in situ.

              ParcelaFunesparcelaVillafranca

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The use of sexual pheromones during the cycle of a crop should be used as an aid to other agricultural techniques. Mass trapping or "masstrapping" and sexual confusion, as direct methods, have the limitation that few pests can be effectively controlled exclusively by these techniques in open-air plots, since there is always the possibility that fertile females from adjacent plots may enter the crop. However, combined with treatments that are respectful of the auxiliary fauna within the framework of a GIP strategy, they allow reducing the number of treatments and achieving an effective pest control avoiding the use of more aggressive synthetic products. In addition, by tracking and monitoring the pests that require the application of these techniques, it is possible to detect the presence of a specific pest, know its extent and/or density. This means that, once a rigorous analysis of the data obtained has been carried out, it can be very useful in making decisions when it comes to managing the operation (time of treatment, effectiveness of treatments, etc.). In the Villafranca plot, on 5.3 hectares of broccoli cultivation, the situation of the bands and auxiliaries containing them was verified, after natural insecticides had been applied. We will have to wait approximately one month until the harvest to obtain the final results.

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