Now showing items 130-149 of 157

    • Sowing date affects maize development and yield in irrigated Mediterranean environments 

      Maresma Galindo, Ángel; Ballesta Remy, Astrid; Santiveri Morata, Paquita; Lloveras Vilamanyà, Jaume (MDPI, 2019-03-26)
      Timely sowing is critical for maximizing yield for both grain and biomass in maize.The effects of early (mid-March), normal (mid-April), and late (mid-May) sowing date (SD) werestudied over a three-year period in irrigated ...
    • Spatial and temporal stability of weed patches in cereal fields under direct drilling and harrow tillage 

      Izquierdo i Figarola, Jordi; Milne, Alice; Recasens i Guinjuan, Jordi; Royo-Esnal, Artiz; Torra Farré, Joel; Webster, R. (Richard); Baraibar Padró, Bàrbara (MDPI, 2020-03-25)
      The adoption of conservation agriculture (CA) techniques by farmers is changing the dynamics of weed communities in cereal fields and so potentially their spatial distribution. These changes can challenge the use of ...
    • Spatio-temporal analysis of african swine fever in Sardinia (2012-2014): trends in domestic pigs and wild boar 

      Iglesias, I.; Rodríguez Hernández, Antonio; Feliziani, F.; Rolesu, S.; De la Torre, A. (Blackwell Verlag GmbH, 2015-09-22)
      African swine fever (ASF) is a notifiable viral disease affecting domestic pigs and wild boars that has been endemic in Sardinia since 1978. Several risk factors complicate the control of ASF in Sardinia: generally poor ...
    • Stakeholder perceptions of the impacts of rural funding scenarios on mountain landscapes across Europe 

      Bayfield, Neil; Barancok, Peter; Furger, Markus; Sebastià, Ma. T.; Domínguez, Gloria; Lapka, Miloslav; Cudlinova, Eva; Vescovo, Loris; Ganielle, Damiano; Cernusca, Alexander; Tappeiner, Ulrike; Drösler, Matthias (Springer Verlag, 2008)
      This article examines how alternative rural funding scenarios might influence the pattern of functional land types in mountain areas. The study aims were to explore the use of stakeholders to predict landscape change and ...
    • Strong shifts in plant diversity and vegetation composition in grassland shortly after climatic change 

      Sebastià, Ma. T.; Kirwan, Laura; Connolly, John (Wiley, 2008)
      Questions: Is plant diversity in mesic grassland ecosystems vulnerable in the short-term to extreme climate change events? How rapidly can responses in vegetation composition occur in perennial grasslands? Are the ...
    • Target site as the main mechanism of resistance to imazamox in a Euphorbia heterophylla biotype 

      Rojano-Delgado, Antonia M.; Portugal, João M.; Palma-Bautista, Candelario; Alcántara-de la Cruz, Ricardo; Torra Farré, Joel; Alcántara, Esteban; Prado, Rafael de (Springer Nature, 2019-10-28)
      Euphorbia heterophylla is a weed species that invades extensive crop areas in subtropical regions of Brazil. This species was previously controlled by imazamox, but the continuous use of this herbicide has selected for ...
    • Target-site and non-target-site resistance mechanisms to ALS inhibiting herbicides in Papaver rhoeas 

      Rey Caballero, Jordi; Menéndez, Julio; Osuna, Maria D.; Salas, Marisa; Torra Farré, Joel (Elsevier, 2017-03-02)
      Target-site and non-target-site resistance mechanisms to ALS inhibitors were investigated in multiple resistant (tribenuron-methyl and 2,4-D) and only 2,4-D resistant, Spanish corn poppy populations. Six amino-acid ...
    • Temperature and light requirements for germination and emergence of three arable Papaveraceae species 

      Torra Farré, Joel; Royo-Esnal, Aritz; Recasens i Guinjuan, Jordi (2016)
      This research investigated the temperature and light requirements for seed germination and emergence patterns of pinnate poppy, violet horned-poppy, and nodding hypecoum, three annual Papaveraceae species found in arable ...
    • Temperature and moisture controls of C fluxes in grazed Subalpine grasslands 

      Sjögersten, Sofie; Llurba, Rosa; Ribas Artola, Àngela; Yanez-Serrano, Ana; Sebastià, Ma. T. (Institute of Arctic and Alpine Research, 2012-05-01)
      The aim of this research was to determine how changes in soil moisture and temperature influence ecosystem C fluxes in the context of changing grazing regimes in subalpine grasslands in the Pyrenees. We (i) measured CO2 ...
    • Teucrium campanulatum L. (Lamiaceae), una nova espècie per a Catalunya 

      Pedrol Solanes, Joan; Conesa i Mor, Josep A. (Josep Antoni) (Universitat Autònoma de Barcelona. Departament de Biologia Animal, Biologia Vegetal i Ecologia, 2009)
      Es dóna a conèixer una nova localitat de Teucrium campanulatum al Segrià, que representa una novetat per a la flora de Catalunya. S’ha elaborat un mapa de la distribució de l’espècie, a partir de material d’herbari i ...
    • The Agrodiversity Experiment: three years of data from a multisite study in intensively managed grasslands 

      Kirwan, Laura; Connolly, John; Brophy, Caroline; Baadshaug, Ole H.; Belanger, Gilles; Black, Alistair; Carnus, Timothee; Collins, Rosemary P.; Čop, Jure; Delgado, Ignacio; De Vliegher, A.; Elgersma, Anjo; Frankow-Lindberg, Bodil E.; Golinski, Piotr; Grieu, Philippe; Gustavsson, Anne-Maj; Helgadóttir, Áslaug; Höglind, Mats; Huguenin-Elie, Olivier; Jørgensen, Marit; Kadziuliene, Zydre; Lunnan, Tor; Lüscher, Andreas; Kurki, Päivi; Porqueddu, Claudio; Sebastià, Ma. T.; Thumm, Ulrich; Walmsley, David; Finn, John A. (2014-06-11)
      Intensively managed grasslands are globally prominent ecosystems. Weinvestigated whether experimental increases in plant diversity in intensively managedgrassland communities can increase their resource use efficiency.This ...
    • The role of light in the emergence of weeds: using Camelina microcarpa as an example 

      Royo-Esnal, Aritz; Gesch, Russell W.; Forcella, Frank; Torra Farré, Joel; Recasens i Guinjuan, Jordi; Necajeva, Jevgenija (Public Library of Science, 2015)
      When modelling the emergence of weeds, two main factors are considered that condition this process: temperature and soil moisture. Optimum temperature is necessary for metabolic processes that generate energy for growth, ...
    • The stable isotope ecology of terrestrial plant succession 

      Resco de Dios, Víctor; Ferrio Díaz, Juan Pedro; Carreira, José A.; Calvo, Leonor; Casals, Pere; Ferrero-Serrano, Ángel; Marcos, Elena; Moreno, José M.; Ramírez, David A.; Sebastià, Ma. T.; Valladares, Fernando; Williams, D. G. (Taylor & Francis, 2011)
      We review the relevance and use of stable isotopes for the study of plant community succession. Stable isotope measurements provide information on the origin of resources acquired by plants, the processes governing resource ...
    • Transcriptional regulation of the rice arginine decarboxylase (Adc1) and S-adenosylmethionine decarboxylase (Samdc) genes by methyl jasmonate 

      Peremartí, Ariadna; Bassie Rene, Ludovic; Yuan, Dawei; Pelacho Aja, Ana Mª; Christou, Paul; Capell Capell, Teresa (Elsevier, 2010)
      We investigated the effect of methyl jasmonate (MeJa) treatment on the expression of two genes in the rice polyamine biosynthesis pathway and on the polyamine content in wild type plants and transgenic rice plants expressing ...
    • Transdisciplinary weed research: new leverage on challenging weed problems? 

      Jordan, N.; Shut, M.; Graham, S.; Barney, J. N.; Childs, D. Z.; Christensen, S; Cousens, R. D.; Davis, A. S.; Eizenberg, H.; Ervin, D. E.; Fernandez Quintanilla, C.; Harrison, L. J.; Harsch, M. A.; Haijting, S.; Liebman, M.; Loddo, D.; Mirsky, S. B.; Riemens, M.; Neve, P.; Peltzer, D. A.; Renton, M.; Williams, M.; Recasens i Guinjuan, Jordi; Sonderskov, M. (Wiley, 2016)
      Transdisciplinary weed research (TWR) is a promising path to more effective management of challenging weed problems. We define TWR as an integrated process of inquiry and action that addresses complex weed problems in the ...
    • Turnover of grassland roots in mountain ecosystems revealed by their radiocarbon signature: role of temperature and management 

      Leifeld, Jens; Meyer, Stefanie; Budge, Karen; Sebastià, Ma. T.; Zimmermann, Michael; Fuhrer, Juerg (Public Library of Science, 2015)
      Root turnover is an important carbon flux component in grassland ecosystems because it replenishes substantial parts of carbon lost from soil via heterotrophic respiration and leaching. Among the various methods to ...
    • Unravelling the resistance mechanisms to 2,4-D (2,4-dichlorophenoxyacetic acid) in corn poppy (Papaver rhoeas) 

      Rey Caballero, Jordi; Menéndez, Julio; Giné Bordonaba, Jordi; Salas, Marisa; Alcántara, Ricardo; Torra Farré, Joel (Elsevier Inc., 2016-10)
      In southern Europe, the intensive use of 2,4-D (2,4-dichlorophenoxyacetic acid) and tribenuron-methyl in cereal crop systems has resulted in the evolution of resistant (R) corn poppy (Papaver rhoeas L.) biotypes. Experiments ...
    • Update on the risk of introduction of african swine fever by wild boar into disease-free European Union countries 

      Bosch, J.; Rodríguez Hernández, Antonio; Iglesias, I.; Muñoz, M. J.; Jurado, C.; Sánchez-Vizcaíno, J. M.; De la Torre, A. (Blackwell Verlag GmbH, 2016-07-06)
      Despite efforts to prevent the appearance and spread of African swine fever (ASF) in the European Union, several Member States are now affected (Lithuania, Poland, Latvia and Estonia). Disease appearance in 2014 was ...
    • Using fitness parameters to evaluate three oilseed Brassicaceae species as potential oil crops in two contrasting environments 

      Royo-Esnal, Aritz; Edo-Tena, Eva; Torra Farré, Joel; Recasens i Guinjuan, Jordi; Gesch, Russell W. (Elsevier, 2017)
      Thlaspi arvense and Camelina sativa have gained considerable attention as biofuel crops. But in some areas, these species, including C. microcarpa, are becoming rare arable plants because of agricultural intensification. ...
    • Using the response-effect trait framework to quantify the value of fallow patches in agricultural landscapes to pollinators 

      Robleño Moreno, Irene; Storkey, Jonathan; Solé Senan, Xavier Oriol; Recasens i Guinjuan, Jordi (Wiley, 2018-02-10)
      Questions: What is the role of managed fallow habitats in providing resources for pollination services in agricultural landscapes? How is resource provision affected by fallow management and landscape structure? Can the ...