project - EIP-AGRI Operational Group

2021-006- Control of viral infections in Ibarra pepper crops
2021-006- Control de virosis en cultivos de guindilla de Ibarra

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Completed | 2021 - 2022 Spain
Completed | 2021 - 2022 Spain
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Contexte

In a globalized context where the ownership of seeds is in the hands of large multinationals, the conservation and care of local varieties is a challenge to keep these varieties alive and growing. This will allow future generations to continue enjoying these products and continue to be a real part of agricultural production on farms in the surrounding area.
Having local varieties is to understand that precisely these are the ones that have managed to adapt to the soil and environmental conditions of each area, in addition to being selected for their organoleptic qualities. In this sense, the recovery and maintenance of these varieties not only involves recovering a patrimony, but bets on producing those varieties best adapted to our environment. It is very important, in the current agricultural context, to have not only varieties containing morphological and organoleptic values; but also better adaptation to local conditions will mean a reduction in phytosanitary treatments as crops present a less problematic disease.
The "Guindilla de Ibarra", unlike countless local varieties kept in seed banks is still a living variety, with a great acceptance among consumers who consider it as one of the best references in our horticulture.

Objectives

Implement preventive cultural control strategies to improve the productivity of the pilot farms, first, and then the other horticultural farms improving the guindillero subsector in gipuzkoa. Select and design a network of "guindilla" growing plots. Perform a preliminary data collection in phases and potential sources of virosis in pilot plots. Monitoring the implementation of a set of cultural practices in the pilot plots as a measure to control the incidence of virus disease. Valuation in packing plant of the commercial production obtained. Transfer and dissemination of the most effective and appropriate cultural practices.

Objectives

Aplicar estrategias de control cultural preventivo de virosis que mejoren la productividad de las fincas piloto, primero, y posteriormente la del resto de fincas hortícolas mejorando con ello el subsector guindillero en gipuzkoa. Seleccionar y diseñar una red de parcelas de cultivo de guindilla. Realizar una toma de datos prelimiar en fases y fuentes potenciales de virosis en parcelas piloto. Seguimiento de la implantación de un conjunto de prácticas culturales en las parcelas piloto como medida de control de la incidencia de virosis. Valoración en planta envasadora para encurtido de la producción comercial obtenida. Transferencia y difusión de las prácticas culturales más eficaces y adecuadas.

Activities

The Ibarra pepper is a local variety appreciated but sensitive to viruses transmitted by aphids that cause serious production losses affecting both the fresh product in local markets and the pickled product used by the packaging industry.
The problem will be addressed by reducing the incidence of virosis in pilot plots through control of aphids, host wild flora, establishment of physical barriers and application of environmentally friendly and environmentally friendly repellents, finally, with the transfer of experience to the rest of the sector.

Activities

La guindilla de Ibarra es una variedad local apreciada pero sensible a virosis transmitidas por pulgones que provocan graves mermas de producción afectando tanto al producto fresco en mercados locales como al producto encurtido utilizado por la industria envasadora.
El problema se abordará reduciendo la incidencia de virosis en parcelas piloto mediante control de pulgones, flora silvestre hospedante, establecimiento de barreras físicas y aplicación de repelentes medioambientalmente respetuosos y, finalmente, con la transferencia de la experiencia al resto del sector.

Additional comments

Over the last few years this demand is well above the real supply that producers can take on and there is currently a very large deficit to cover the needs of packaging companies.
This significant inflows of products from other areas, both from the State and from countries outside the European Community and may endanger the future of the sector.
This mismatch between supply and demand is due to the production problems existing in this crop, producing production losses in a very significant way both at quantitative level and at quality level, mainly associated with two causes:
Those associated with the lack of crop rotation, the known phenomenon of "soil fatigue" which entails a progressive increase in soil pathogens associated with cultivation. Mainly fungi like "Verticillium and Phytopthora" and nematodes. The solution to this problem is due crop rotation, which is sometimes not easy or possible due to the renting of plots and specialization of farmers. The application of soil biodesign techniques (green fertilizers, introduction of biocidal plants to the soil, organic matter) to help improve the structure.
On the other hand there are problems associated with virosis transmitted by aphids that cause serious production losses affecting both the fresh product in local markets and the pickled product used by the packaging industry, which are the main uses of the product.
Recently, a growing incidence of the CMV virus (Cucumber Mosaic virus) has been detected in the open-air Guindilla plantations in Gipuzkoa. This virus produces very serious alterations in the fruits affecting their morphology at the level of thickening of the fruit and twisting thereof. In their internal part they fill exaggerated and early seeds that harden the quality of the fruit.

Additional information

From the point of view of the morphological and organoleptic quality of the fruits, the “Guindilla de Ibarra” corresponds to a varietal type of pepper that, in our conditions of cultivation, manages to express those properties that totally differentiate it from other chilies. The luminosity, temperature and humidity of the Cantabrian climate allow to obtain thin and elongated fruits, with little skin and a pale green coloration characteristic of the variety, and generally without itch.
It is mainly grown outdoors. The transplant takes place in mid-May and usually remains in plot until the first cold of autumn, until late September or mid-October. Depending on the producers and the degree of specialization and professionalization of the same can be grown with localized irrigation by drip with fertigation mineral or rain. As its name indicates in the area of Ibarra is where the largest area of this crop is concentrated but it is also common in other vegas guipuzcoanas and in some areas of Bizkaia.

Project details
Main funding source
Rural development 2014-2020 for Operational Groups
Rural Development Programme
2014ES06RDRP015 Spain - Rural Development Programme (Regional) - País Vasco
Emplacement
Main geographical location
Guipúzcoa
Other geographical location
Vizcaya

EUR 60645.86

Total budget

Total contributions from EAFRD, national co-financing, additional national financing and other financing.

Ressources

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1 Practice Abstracts

Main results of the project: 

1.  There was no plant transmission of the CMV virus in the Ibarroria variety.

2.  The results of the analysis of the virus in the seed plants analyzed have not shown positivity in the 2022 campaign. The nursery plant is discarded as a source of inoculum.

3.  Herbs before cultivation constituted a reservoir of the virus in 2021 and 2022.

4.  Species of adventitious flora that showed positivity to the virus and can behave as a reservoir: Cardamine flexuosa, Oenothera rosea, Stellaria media, Cerastium glometatum, Lampurium pureum, Veronica pérsica, Galinsoga parviflora, Amarathus blitum, Capsella bursa-pastoris, Euphorbia peplus, Senecio vulgaris, Geranium disectum, Geranium molle, Lamium hybridum, Cardamine hirsuta, Cerastium glomeratum, Fumaria officinalis and Sonchus asper.

5.  The aphid genus Aphis (42%) was the predominant and Myzus (11%) the second most important.

6.  In 2022 the species of aphid Brevicorine brassicae (36.2%) and Myzus persicae (29.3%) were predominant.

7.  In the 2021 campaign, a peak of aphid flights was observed on 07/06/2021 in both water traps and yellow traps, followed by a rapid decline in flights.

8.  The incidence of CMV virus increased over the growing cycle in all plots in both 2021 and 2022.

9.  In the Leaburu plot it was observed that most of the plants infected with CMV were located at the edges of the plot.

10.  CMV was not transmitted by contact in hydroponic greenhouse conditions after 4 months of continuous harvests.

11.  The anti-pulgon and agril mesh showed their effectiveness in stopping infection.

Principales resultados del proyecto: 

1. No se dio transmisión semilla planta del virus CMV en la variedad Ibarroria.

2. Los resultados de los análisis al virus en las plantas de semillero analizadas no han mostrado positividad en la campaña 2022. La planta de vivero es descartada como fuente de inoculo.

3. Las hierbas antes del cultivo constituyeron un reservorio del virus en 2021 y 2022.

4. Especies de flora adventicia que mostraron positividad al virus y pueden comportarse como reservorio: Cardamine flexuosa, Oenothera rosea, Stellaria media, Cerastium glometatum, Lamium purpureum, Veronica pérsica, Galinsoga parviflora, Amarathus blitum, Capsella bursa-pastoris, Euphorbia peplus, Senecio vulgaris, Geranium disectum, Geranium molle, Lamium hybridum, Cardamine hirsuta, Cerastium glomeratum, Fumaria officinalis y Sonchus asper.

5. El género de pulgón Aphis (42%) fue el predominante y Myzus (11%) el segundo más importante.

6. En 2022 las especies de pulgón Brevicorine brassicae (36,2%) y Myzus persicae (29,3%) fueron las predominantes.

7. En la campaña 2021, se observó un pico de vuelos de pulgón el 07/06/2021 tanto en trampas de agua como en trampas amarillas, seguido de un descenso rápido de los vuelos.

8. La incidencia del virus CMV fue aumentando a lo largo del ciclo de cultivo en todas las parcelas tanto en 2021 como en 2022.

9. En la parcela de Leaburu se observó que la mayoría de las plantas infectadas con CMV se localizaban en los bordes de la parcela.

10. El virus CMV no se transmitió por contacto en condiciones de invernadero hidropónico tras 4 meses de cosechas continuadas.

11. Las mallas anti-pulgón y el agril mostraron su eficacia a la hora de frenar la infección.

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Contacts

Project coordinator

  • GILBE - GIPUZKOAKO LORE ETA BARAZGILEEN ELKARTEA

    Project coordinator

Project partners

  • IBARLUR - IBARRAKO PIPARRA S.COOP

    Project partner

  • NEIKER - Nekazal Ikerketa eta Garapenerako Euskal Erakundea, S.A.

    Project partner

  • Área Vegetal. Gipuzkoako Foru Aldundia - Diputación Foral de Gipuzkoa

    Project partner