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Publications (31)
Many species of Alternaria are important pathogens that cause plant diseases and postharvest rots. They lead to significant economic losses in agriculture and affect human and animal health due to their capacity to produce mycotoxins. Therefore, it is necessary to study the factors that can result in an increase in A. alternata. In this study, we d...
Phytophthora capsici is one of the oomycetes that affects protected pepper crops in different agroclimatic areas of Spain. Currently, environmentally friendly strategies such as biodisinfestation for plant disease control have become increasingly popular. In this study, the effect of released gases during biodisinfestation with a fresh manures mixt...
Convolutional Neural Networks (CNN) have demonstrated their capabilities on the agronomical field, especially for plant visual symptoms assessment. As these models grow both in the number of training images and in the number of supported crops and diseases, there exist the dichotomy of (1) generating smaller models for specific crop or, (2) to gene...
Phytophthora capsici causes root and crown rot of protected pepper (Capsicum annuum L.) crops in the Basque Country (Northern Spain), a humid temperate climate area. The objective was to determine the effect of winter biofumigation and plastic cover (biodisinfestation) with Sinapis alba L. (cultivar "Ludique") fresh green manure on the survival of...
Over the past 10 years, it has been demonstrated in the literature that legume responses to elevated [CO 2 ], whether positive, negative, or null, are in part dependent on the Rhizobium species and genotypes that establish symbiosis with the plant. However, all the strains used in these past experiments were isolated in field conditions at ambient...
Fungal infection represents up to 50% of yield losses, making it necessary to apply effective and cost efficient fungicide treatments, whose efficacy depends on infestation type, situation and time. In these cases, a correct and early identification of the specific infection is mandatory to minimize yield losses and increase the efficacy and effici...
Disease diagnosis based on the detection of early symptoms is a usual threshold taken into account for integrated pest management strategies. Early phytosanitary treatment minimizes yield losses and increases the efficacy and efficiency of the treatments. However, the appearance of new diseases associated to new resistant crop variants complicates...
Maize is traditionally used for bakery in several countries, and autochthonous varieties are increasingly demanded particularly for organic agriculture, but one of the dangers of cereal consumption is mycotoxin contamination. Mycotoxins are dangerous for health and might be present in any grain depending on genotypes and environments. In the presen...
Irrigation advice is usually based on the optimization of crop yield, which sometimes does not meet the objective of economic optimization. In some regions, the information provided by irrigation scheduling schemes based on crop production optimization is not completely reliable if there are economic or environmental constraints. The objective of t...
Lobesia botrana is the most significant pest of grape berries in Spain. Further knowledge of its phenology would enable wine growers to decide on an optimal treatment schedule. The aim of this study is, therefore, to predict the flight peaks of L. botrana in seven wine-growing regions of Spain. The main goal is to provide a prediction model based o...
En los últimos 25 años hemos asistido a una verdadera revolución de la Ciencia y la
Tecnología que, por supuesto, también ha influido de manera importante sobre el
desarrollo de la Patología Vegetal. A petición de la editorial PHYTOMA, en este artículo
hemos recogido 25 acontecimientos (avances, logros, riesgos y amenazas) de especial
importancia....
Host resistance is a key method for the integrated management of apple scab caused by Venturia inaequalis, which is one of the most important diseases of apple. Artificial inoculation of 92 cider apple cultivars with a mixed inoculum of V. inaequalis identified 19 weakly resistant and 19 resistant cultivars. Twelve of these resistant cultivars were...
Fire blight, caused by the bacterium Erwinia amylovora, is among the three most important diseases of apple. A major effective method for its integrated management is the reduction of the susceptibility of the host. Cider apple production in Spain is based on local apple cultivars with minimum crop management and phytosanitary control. After the en...
Information about the parameters defining water resources availability is a key factor in their management. Reference evapotranspiration (ET(0)) prediction is fundamental in planning, design, and management of water resource systems for irrigation. The application of time series analysis methodologies, which allow evapotranspiration prediction, is...
Fire blight, caused by the bacterium Erwinia amylovora, is among the three most important diseases of apple. A major effective method for its integrated management is the reduction of the susceptibility of the host. Cider apple production in Spain is based on local apple cultivars with minimum crop management and phytosanitary control. After the en...
Reference evapotranspiration (ETo) determination is a key factor for water balance and irrigation scheduling. Evapotranspiration can be measured directly by high-cost micrometeorological techniques, or estimated by mathematical models. The combination equation of Penman–Monteith, modified by Allen et al. [Allen, R.G., Pereira, L.S., Raes, D., Smith...
Erwinia amylovora, the causal agent of fire blight, is genetically very homogeneous, and current methodologies provide insufficient or contradictory information about the probable dispersal routes of the pathogen. With the final aim to obtain specific and reliable molecular markers for different lineages of the pathogen, we studied the molecular ba...
Dry bean (Phaseolus vulgaris L.) is the most im-portant legume crop in Spain. In 2004 around 137,000 tones were produced in an extension of 103,000 ha (MAPA, 2004), with the majority of this production concentrated in the county of Castilla y León, where the crop is cultivated extensively. However, in the rest of the temperate areas of the country,...
Erwinia amylovora is one of the most important pathogens of pear and apple and is subject to strict quarantine regulations worldwide, although its patterns of dispersal are largely unknown. Previous attempts to fingerprint E. amylovora strains by molecular techniques have detected very little polymorphism because of the high genetic homogeneity of...
Fire blight was first detected in Spain in 1995. In the following years the disease was identified in seven out of the seventeen Spanish regions, in the Northeastern and Central parts of the country. Typical symptoms were observed in pears, apples, loquats, quinces and in ornamental hosts susceptible to fire blight. The spatial and temporal distrib...
SummaryvirPphA is a major determinant of the pathogenicity of Pseudomonas savastanoi pv. phaseolicola to Phaseolus bean. A family of homologues of virPphA was detected in pathovars of P . savastanoi and P . syringae . We examined the structure and activity of alleles designated virPphA , virPphAPgy , and virPphAPsv from P . savastanoi pathovars pha...
The largest plasmid (pPT23A, 100 kb) from Pseudomonas syringae pv.tomato PT23, carries the gene cluster for the synthesis of the phytotoxin coronatine and most of its DNA sequences are repeated in a co-residing plasmid, pPT23B (83 kb). Some DNA fragments from pPT23A are also repeated elsewhere in the genome. To investigate the role in virulence of...
A pathogenicity island (PAI) was recently identified on a plasmid (pAV511) in the bean halo blight pathogen Pseudomonas syringae pv. phaseolicola (Pph) (Figure 1; [2]). Strains such as RW60, from which the plasmid had been cured, were no longer able to cause disease in any cultivars of bean or soybean: RW60 elicited a resistant response, termed the...
