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Home » Publications » Papers in scientific journals and popular science publications» 2003

Uso agrícola de lodos de depuradora urbana (LD) en suelos ácidos. Respuesta del cultivo de cebada (Hordeum vulgare)
Residuos, 75: 42-48, 2003

Lema, M.J. ; González, S. ; Rodríguez, P.

Estación Fitopatolóxica do Areeiro.

The response of barley (Hordeum vulgare) to applied municipal bio-solids vrsus conventional organic and inorganic fertilisers is compared, and the effects on some agronomic properties and on total metal content of an acidic soil -representative of soils
in the Northwest of Spain- are summarised.

Pragas e enfermidades das castañas
Raigame nº18: 39-47, Noviembre 2003

Mansilla Vázquez, P. ; Pérez Otero, R. ; Pintos Varela, C.; Salinero Corral, M.C.

Estación Fitopatolóxica do Areeiro.

Galicia is the chestnut highest- yielding region in Spain. These fruits are affected by some pathogenic organisms that reduce chestnut yield. An account of the characteristics of these organisms is provided in this work.

Eficacia y efectos en laboratorio de diferentes insecticidas en el control del defoliador del eucalipto Gonipterus scutellatus y de su parasitoide Anaphes nitens
Boletín de Sanidad Vegetal y Plagas, 29: 649-658, 2003

Pérez Otero, R. ; Mansilla Vázquez, P. ; Rodríguez Iglesias, J.

Estación Fitopatolóxica do Areeiro.

The eucalyptus snout beetle Gonipterus scutellatus, was first reported in Galicia in 1991. In 1994 releases of the Gonipterus scutellatus egg parasitoid Anaphens nitens were initiated in some specific points to control the pest. However, it was not until 2000 that massive releases of the pest were performed, so the pest has not been controlled yet. Thus, there is a need to perform a biological control together with other control techniques not harmful for Anaphens nitens. The effectiveness of several insecticides has been studied in laboratory assays in order to determine their effect on both the snout beetle and Anaphens nitens. Of those insecticides assesed (azadiractin -1%, 3%, 3,2%-, Bacillus thuringiensis, Beauveria bassiana, deltametrin, etofenprox and flufenoxuron), piretrinoids have proved to be more effective on pest control, but causing Anaphens nitens death. Flufenoxuron, azadiractin 3,2 % performed the control of the snout beetle larvae causing no damage to Anaphens nitens. These insecticides proved to be the best option to perform an integrated pest management.

KEYWORDS: Anaphes nitens, integrated control, eucalyptus, Gonipterus scutellatus, insecticides.

Efecto del Ciproconazol en el Control de Armillaria mellea en Viñedo
Viticultura Enología Nº89 2003

J. Pedro Mansilla Vazquéz, Olga Aguín Casal

Estación Fitopatolóxica do Areeiro.

Maria Jesús Sainz Osés
Departamento de producción vegetal, Universidad de santiago de Compostela, E-27002 Lugo, spain

ABSTRACT:     Effect of cyproconazole on Armillaria mellea control in grapevine. Armillaria mellea causes white root rot in a wide range of hosts, including grapevine. In Galicia this disease inflicts significant economic losses, due to the insufficiency of preventive measures and the lack of an effective method of control. An experiment was carried out to evaluate in vitroeffects of eleven active ingredients on mycelial growth of A. mellea. Best results were obtained for cyproconazole, which showed a clear fungicide activity and was selected to be tested under field conditions. A field experiment was designed to study vineyard: healthy, with initial infection and severely affected grapevines. Despite of this after two years, the dose of 100mg/L controlled the disease in most infected plants, further research is needed to confirm the efficacy of cyproconazole for the contro lof A. mellea in grapevine

KEYWORDS: Armillaria mellea , Grapevine, Cyproconazole, chemical control, white root rot.

Fruit Yield and Characteristics of Three Cultivars of Mirabelle Plum (Prunus insititia var. syriaca) in Northwest Spain
Journal American Pomological Society 57(2):70-75 2003

C. Salinero Corral, O. Aguín

Estación Fitopatolóxica do Areeiro.

M. J. Sainz
Departamento de producción vegetal, Universidad de Santiago de Compostela, E-27002 Lugo, Spain

ABSTRACT:     Fruit yield and characteristics of three cultivars of mirabelle plum (Prunus insititia var. syriaca) were evaluated from 1990-1997 in northwest Spain. "Rosal" is the local non-improved cultivar, highly susceptible to leaf fungal diseases; 'Nancy 1510' and 'Nancy 1725' are improved virus-free clones developed by the Institut National de Recherche Agromique (INRA, Bordeaux, France) which had not previously been cultivated in Spain. 'Nancy 1510' gave the best yield (avarage annual production 31 kg per plant, versus 27 kg for'Nancy 1725' and 6 kg for 'Rosal'), which increased steadily with age. 'Nancy' fruits were on average larger (average weight about 9 g, versus 7.7 g for 'Rosal' fruits). These diferences may be of genetic origin, althought they could also be attributed to the impact of Seterum purpureumon 'Rosal' plants. Althought affected by this fungal phatogen, 'Nancy 1510' and 'Nancy 1725' adapted well to the climate of the study area.

KEYWORDS: Plum syriaca ,Calacarus carinatus, Prunus insititia, mirabelle, Production northwest, Spain.

Presencia y distribución de ácaros eriófidos en camelias del sur de Galicia y norte de Portugal
Boletín de Sanidad Vegetal y Plagas, 29: 35-41, 2003

J.P. Mansilla Vázquez, R. Pérez Oreto, C. Salinero Corral, M.J. López Villarreal

Estación Fitopatolóxica do Areeiro.

M.C.R. Barrote M. Meira

Av. D. Afonso III, 424-5ºd. 4900-477 Viana do Castelo. Portugal.

ABSTRACT:      The occurrence and distribution of eryophyid mites in the south of Galicia and north of Portugal is reported in this work. A survey was performed on ten Camellia specimens, where 15 to 20 leaves and flower buds with symptoms of mite's attack were collected from March to May 2002. The result of this survey showed that Calacarus carinatus was the eriophyid mite more frequently found infesting camellias, since it was present in Camellias planted in all surveyed points; Acaphylla steindeweni, recently detected in Galicia was also found, and Cosetacus camelliae which appeared in lower densities.

KEYWORDS: Acaphylla steinwedeni Calacarus carinatus, Cosetacus camelliae, eryophyid, Galicia, Portugal.