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Journal articles on the topic 'Weeds, spain'

Author: Grafiati

Published: 25 July 2024

Last updated: 31 July 2025

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1

Saavedra, M., J. Cuevas, J. Mesa-García, and L. García-Torres. "Grassy weeds in winter cereals in southern Spain." Crop Protection 8, no. 3 (1989): 181–87. http://dx.doi.org/10.1016/0261-2194(89)90024-0.

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2

Gandía, María Luisa, Carlos Casanova, Francisco Javier Sánchez, José Luís Tenorio, and María Inés Santín-Montanyá. "Arable Weed Patterns According to Temperature and Latitude Gradient in Central and Southern Spain." Atmosphere 11, no. 8 (2020): 853. http://dx.doi.org/10.3390/atmos11080853.

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(1) Background: In agro-ecosystems, the success of the crops has a strong connection to biodiversity in the landscape. In the face of climate change, it is important to understand the response to environmental variation of weed species by means of their distribution. In the last century, biodiversity has been impacted due to a variety of stresses related to climate change. Although the composition of vegetation tends to change at a slower rate than climate change, we hypothesize species present in weed communities are distributed in diverse patterns as a response to the climate. Therefore, the

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3

SALVA, A. PUJADAS, and J. E. HERNANDEZ BERMEJO. "Floristic composition and agricultural importance of weeds in southern Spain." Weed Research 28, no. 3 (1988): 175–80. http://dx.doi.org/10.1111/j.1365-3180.1988.tb01603.x.

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4

Fernández-Sanz, Ana M., M. Rosario Rodicio, and Ana J. González. "Biochemical Diversity, Pathogenicity and Phylogenetic Analysis of Pseudomonas viridiflava from Bean and Weeds in Northern Spain." Microorganisms 10, no. 8 (2022): 1542. http://dx.doi.org/10.3390/microorganisms10081542.

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Pseudomonas viridiflava was originally reported as a bean pathogen, and subsequently as a wide-host range pathogen affecting numerous plants species. In addition, several authors have reported the epiphytic presence of this bacterium in “non-host plants”, which may act as reservoir of P. viridiflava and source of inoculum for crops. A new biotype of this bacterium, showing an atypical LOPAT profile, was found in Asturias, a Northern region of Spain, causing significant damage in beans, kiwifruit, lettuce, and Hebe. In order to investigate the involvement of weeds in bean disease, samples were

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5

Gómez de Barreda, Diego, Gabriel Pardo, José María Osca, et al. "An Overview of Rice Cultivation in Spain and the Management of Herbicide-Resistant Weeds." Agronomy 11, no. 6 (2021): 1095. http://dx.doi.org/10.3390/agronomy11061095.

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Spain is the second highest rice-producing country in the European Union, with approximately 105,000 ha used to grow this crop. The major rice-producing regions in Spain are Andalusia, Extremadura, Catalonia, and Valencia, followed by Aragon and Navarre. The main soil texture throughout Spanish rice areas is silty clay loam, with alkaline soils (pH > 7.5)—except in the Extremadura area (pH = 5.5–6)—and a low organic matter content. Water quality in terms of salinity is acceptable, although in some coastal rice areas salinity issues occasionally appear to be a determining factor for high yie

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6

Villegas-Fernández, Ángel M., Ahmed A. Amarna, Juan Moral, and Diego Rubiales. "Intercropping as a Strategy for Weed Management in Faba Bean (Vicia faba L.)." Agronomy 14, no. 6 (2024): 1170. http://dx.doi.org/10.3390/agronomy14061170.

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Faba bean is an important legume crop worldwide, which is grown both for food and feed. As for many legume crops, postemergence weed control is difficult. The aim of this work was to assess the potential of intercropping in weed management by assessing the effect of mixing faba bean with different crops (wheat, barley, and pea) on weeds in the South of Spain. Four field trials were conducted over four consecutive seasons, and the results found that the addition of alternate intercropping of faba bean and barley achieved high levels of weed control, both for coverage and biomass (92.7% and 76.6

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7

de Castro, Ana-Isabel, Montserrat Jurado-Expósito, María-Teresa Gómez-Casero, and Francisca López-Granados. "Applying Neural Networks to Hyperspectral and Multispectral Field Data for Discrimination of Cruciferous Weeds in Winter Crops." Scientific World Journal 2012 (2012): 1–11. http://dx.doi.org/10.1100/2012/630390.

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In the context of detection of weeds in crops for site-specific weed control, on-ground spectral reflectance measurements are the first step to determine the potential of remote spectral data to classify weeds and crops. Field studies were conducted for four years at different locations in Spain. We aimed to distinguish cruciferous weeds in wheat and broad bean crops, using hyperspectral and multispectral readings in the visible and near-infrared spectrum. To identify differences in reflectance between cruciferous weeds, we applied three classification methods: stepwise discriminant (STEPDISC)

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8

Agustí-Brisach, C., D. Gramaje, M. León, J. García-Jiménez, and J. Armengol. "Evaluation of Vineyard Weeds as Potential Hosts of Black-Foot and Petri Disease Pathogens." Plant Disease 95, no. 7 (2011): 803–10. http://dx.doi.org/10.1094/pdis-12-10-0888.

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Weeds were sampled in grapevine rootstock mother fields, open-root field nurseries, and commercial vineyards of Albacete, Alicante, Castellón, Murcia, and Valencia provinces in Spain between June 2009 and June 2010 and evaluated as potential hosts of black-foot and Petri disease pathogens. Isolations were conducted in the root system and internal xylem tissues for black-foot and Petri disease pathogens, respectively. Cylindrocarpon macrodidymum was successfully isolated from the roots of 15 of 19 weed families evaluated and 26 of 52 weed species. Regarding Petri disease pathogens, one isolate

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9

Montull, José María, and Joel Torra. "Herbicide Resistance Is Increasing in Spain: Concomitant Management and Prevention." Plants 12, no. 3 (2023): 469. http://dx.doi.org/10.3390/plants12030469.

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Herbicide-resistant weeds currently challenge sustainable food production in almost all cropping systems in Europe. Herbicide resistance is increasing, and some European countries are among the most affected globally, such as Spain and France. This situation is worsening not only due to herbicide use restrictions but also due to climate change, rendering Mediterranean countries such as Spain particularly susceptible. Therefore, focus should be aimed at preventive measures, which include those not only based on integrated weed management strategies but also based on a very good knowledge of the

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10

Garcia De Arevalo, Rafael C., Carmen A. Lusarreta, Carmen B. Neyra, Mercedes A. Sanchez, and Pedro J. H. Algarra. "Chemical Control of Annual Weeds in Field Beans (Vicia faba) in Central Spain." Weed Science 40, no. 1 (1992): 96–100. http://dx.doi.org/10.1017/s0043174500057027.

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Field studies were conducted over 3 yr to investigate the effect of chemicals on field beans density and weed control. Predominant weed species were common lambsquarters, fumitory, henbit, corn poppy, prostrate knotweed, and wild mustard. All herbicide treatments except linuron injured field beans. Mean field beans survival at harvest was 78% in alachlor and 84% in alachlor containing treatments. Only 5% survived atrazine at 1.9 kg ai ha−1. Ethalfluralin, pendimethalin, simazine, terbutylazine plus terbutryn, and trifluralin treatments produced plant survival values of 56, 82, 86, 74, and 71%,

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11

Alfaro-Fernández, A., C. Córdoba-Sellés, M. C. Cebrián, et al. "First Report of Tomato torrado virus on Weed Hosts in Spain." Plant Disease 92, no. 5 (2008): 831. http://dx.doi.org/10.1094/pdis-92-5-0831b.

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Tomato torrado virus (ToTV) is a recently identified Picorna-like virus that causes “torrado disease” in tomatoes (4). Typical symptoms of “torrado disease” seen in tomato crops (Solanum lycopersicum L. formerly Lycopersicon esculentum L.) were initially defined as yellow areas at the base of the leaflet that later developed into necrotic spots that sometimes abscised, leaving holes in the leaflet. Other plants showed extensive necrosis progressing from the base to the tip of the leaflet. Fruits were distorted with necrotic lines on the surface that often cracked. Affected plants had a burnt-l

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12

Bautista, Alberto San, Daniel Tarrazó-Serrano, Antonio Uris, et al. "Remote Sensing Evaluation Drone Herbicide Application Effectiveness for Controlling Echinochloa spp. in Rice Crop in Valencia (Spain)." Sensors 24, no. 3 (2024): 804. http://dx.doi.org/10.3390/s24030804.

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Rice (Oryza sativa L.) is a staple cereal in the diet of more than half of the world’s population. Within the European Union, Spain is a leader in rice production due to its climate and tradition, accounting for 26% of total EU production in 2020. The Valencian rice area covers around 15,000 hectares and is strongly influenced by biotic and abiotic factors. An important biotic factor affecting rice production is weeds, which compete with rice for sunlight, water and nutrients. The dominant weed in Spain is Echinochloa spp., although wild rice is becoming increasingly important. Rice cultivatio

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13

Sacristán, Soledad, Aurora Fraile, and Fernando García-Arenal. "Population Dynamics of Cucumber mosaic virus in Melon Crops and in Weeds in Central Spain." Phytopathology® 94, no. 9 (2004): 992–98. http://dx.doi.org/10.1094/phyto.2004.94.9.992.

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Understanding epidemiology and evolution of plant viruses requires knowledge of their ecology: obtaining information about the dynamics and genetic structure of viral populations in their various hosts is necessary to analyze host specialization and to identify reservoirs and inoculum sources. We present here a 3-year analysis of the population dynamics of Cucumber mosaic virus (CMV) in Central Spain in weed hosts and melon. CMV infection in weed hosts was detected throughout the year and showed a clear seasonality, with maximum incidence of 20 to 30% in summer and autumn. The dynamics of CMV

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14

José-María, L., L. Armengot, L. Chamorro, and F. Xavier Sans. "The conservation of arable weeds at crop edges of barley fields in northeast Spain." Annals of Applied Biology 163, no. 1 (2013): 47–55. http://dx.doi.org/10.1111/aab.12032.

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15

Cabrera-Pérez, Carlos, Francisco Valencia-Gredilla, Aritz Royo-Esnal, and Jordi Recasens. "Organic Mulches as an Alternative to Conventional Under-Vine Weed Management in Mediterranean Irrigated Vineyards." Plants 11, no. 20 (2022): 2785. http://dx.doi.org/10.3390/plants11202785.

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Vineyard growth and grape yield can be significantly reduced by weeds, especially when these are located in the under-vine zone. Traditional weed management consists of recurrent tillage, which is associated with soil erosion and high fuel consumption, or herbicide applications, associated with damage to the environment and human health. In order to find alternative weed management methods, three field trials were carried out in Raimat (Lleida, NE Spain) with the aim of evaluating the suppressive effect of four mulches against weeds. Treatments included (1) straw mulch of Medicago sativa L., (

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16

Santín-Montanyá, MI, AP Fernández-Getino, and JL Alonso-Prados. "Weed control in minor crops in Spain after adoption of European regulation 1107/2009/EC and directive 2009/128/EC." Outlook on Agriculture 46, no. 1 (2017): 66–73. http://dx.doi.org/10.1177/0030727017690661.

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Vegetable crops have become a source of great economic importance to many countries, particularly Spain. Crops should be protected from weeds in their early stages of development to prevent yield loss. It must be noted that there are limited registered herbicides for minor regional horticultural crops that generate little commercial interest. In this article, we discuss the implementation of European Regulation (Directive on Sustainable Use of Pesticides 2009/128/EC) in National Action Plans regarding horticultural minor use crops and the use of plant protection products with reference to evid

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17

Torres-Pagán, Natalia, Marta Muñoz, Sara Barbero, et al. "Herbicidal Potential of the Natural Compounds Carvacrol, Thymol, Eugenol, p-Cymene, Citral and Pelargonic Acid in Field Conditions: Indications for Better Performance." Agronomy 14, no. 3 (2024): 537. http://dx.doi.org/10.3390/agronomy14030537.

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In recent years, interest in natural products with herbicidal activity as new tools for integrated weed management has increased. The European Union is demanding a reduction in the number of herbicides used, forbidding use of the most toxic ones, despite the problem of weed resistance increasing. Pelargonic acid (PA) is the only natural herbicide available in Spain. In this work, two field assays were performed with the natural compounds carvacrol (CAR), citral (CIT), eugenol (EUG), thymol (THY), p-cymene (P-CYM), (PA), and the combination of PA with CIT—all except P-CYM formulated by Seipasa—

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18

Lal, Ranjan, and S. K. Prasad. "Study of developmental stages and morphometrics of Parthenium beetle in Bastar plateau agro-climatic zone of Chhattisgarh." Journal of Ravishankar University (PART-B) 37, no. 2 (2024): 189–94. https://doi.org/10.52228/jrub.2024-37-2-13.

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Parthenium hysterophorus (Gajar ghas or Congress grass) is one of the most aggressive, invasive weeds which threaten natural and agricultural ecosystems. Mexican beetle (Zygogramma bicolorata) is one of the most popular, sustainable, and environment-friendly agents for the management of this harmful weeds. Therefore, the present study was carried out to investigate the developmental stages and morphometrics of Zygogramma bicolorata in Bastar plateau agro-climatic zone of Chhattisgarh. Results (1. Developmental stages: laid egg about 785-1300, grub hatched after 3-4 days and total life Spain wa

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19

San Martín, Carolina, Dionisio Andújar, Judit Barroso, Cesar Fernández-Quintanilla, and José Dorado. "Weed Decision Threshold as a Key Factor for Herbicide Reductions in Site-Specific Weed Management." Weed Technology 30, no. 4 (2016): 888–97. http://dx.doi.org/10.1614/wt-d-16-00039.1.

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The objective of this research was to explore the influence that weed decision threshold (DT; expressed as plants m−2), weed spatial distribution patterns, and spatial resolution of sampling have on potential reduction in herbicide use under site-specific weed management. As a case study, a small plot located in a typical corn field in central Spain was used, constructing very precise distribution maps of the major weeds present. These initial maps were used to generate herbicide prescription maps for each weed species based on different DTs and sampling resolutions. The simulation of herbicid

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20

Garcia-Rellán, David, Mercedes Verdeguer, Adele Salamone, Maria Amparo Blázquez, and Herminio Boira. "Chemical Composition, Herbicidal and Antifungal Activity of Satureja cuneifolia Essential Oils from Spain." Natural Product Communications 11, no. 6 (2016): 1934578X1601100. http://dx.doi.org/10.1177/1934578x1601100636.

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The chemical composition of essential oils from Satureja cuneifolia growing in east Spain was analyzed by GC, GC/MS. Forty-five compounds accounting for 99.1% of the total oil were identified. Camphor (47.6%), followed by camphene (13.6%) were the main compounds. Their herbicidal and antifungal activity was tested in vitro against three weeds (Amaranthus hybridus, Portulaca oleracea and Conyza canadensis) and eleven common pathogenic or saprophytic fungi (Phytophthora citrophthora, P. palmivora, Pythium litorale, Verticillium dahlia, Rhizoctonia solani, Penicillium hirsutum, Colletotrichum glo

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21

Muñoz, Marta, Natalia Torres-Pagán, Amira Jouini, Fabrizio Araniti, Adela Sánchez-Moreiras, and Mercedes Verdeguer. "Control of Problematic Weeds in Mediterranean Vineyards with the Bioherbicide Pelargonic Acid." Agronomy 12, no. 10 (2022): 2476. http://dx.doi.org/10.3390/agronomy12102476.

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Pelargonic acid (PA) is the only natural herbicide authorized for professional use in Spain. Incorporating PA into an integrated weed management strategy in vineyards may enable a more sustainable production method for grapes. In this work, PA of 55% concentration, formulated by a commercial company (PSEI), was evaluated and applied at 8, 10, 12, and 15 L/ha for weed control in Mediterranean vineyards during 2020 and 2021. A total of 22 different weed species, 16 dicotyledonous and 6 monocotyledonous, were identified in the experimental areas. Previously, greenhouse assays were performed again

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Enríquez-de-Salamanca, Álvaro. "Synanthropisation of coastal vegetation in southern Spain." Mediterranean Botany Online first (September 19, 2022): 1–18. http://dx.doi.org/10.5209/mbot.78628.

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Coastal dunes have high ecological value, but are often damaged or overexploited by beach tourism. The main problems for the vegetation of this ecosystem are the physical destruction and the synanthropisation, the latter due to the colonisation of both alien and apophyte species, favoured by human action. This study analyses the degree of synanthropisation of the vegetation of a stretch of coastline in southern Spain, by systematically surveying the flora present in six biotopes: beach, foredune, mid-dune, back-dune, creek and rocky area. The percentage of synanthropic species was 51%, of whic

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Font, M. I., M. Juárez, O. Martínez, and C. Jordá. "Current Status and Newly Discovered Natural Hosts of Tomato infectious chlorosis virus and Tomato chlorosis virus in Spain." Plant Disease 88, no. 1 (2004): 82. http://dx.doi.org/10.1094/pdis.2004.88.1.82a.

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Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV) are emergent whitefly-transmitted criniviruses. ToCV and TICV were detected in Spain in 2000 (2) and 2001 (1), respectively. Both viruses infect tomato (Lycopersicon esculentum Mill) crops and cause symptoms of foliar chlorosis. ToCV is prevalent along the southern and eastern regions of Spain (provinces of Sevilla, Málaga, Almería, Murcia, Alicante, and Castellón), Balearic (Mallorca), and the Canary Islands (Tenerife and Gran Canaria). However, TICV only has been detected in the provinces of Murcia, Alicante, and Cast

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Royuela, Mercedes, Alberto Muñoz-Rueda, and Carmen Gonzalez-Murua. "Performance and Soil Persistence of Chlorsulfuron when Used for Wheat Production in Spain." Weed Science 38, no. 6 (1990): 546–52. http://dx.doi.org/10.1017/s0043174500051468.

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Chlorsulfuron was preemergence applied in field trials at La Coruña, Spain, at rates from 5 to 30 g ai ha−1(1987–88) and from 5 to 100 g ai ha−1(1988–89) for weed control in winter and spring wheat. Excellent control of broadleaf weeds was obtained in both; however, narrowleaf control at the last evaluation (heading) was poor. Chlorsulfuron at 30 g ha−1did not cause a residual problem in 1987–88, with only 0.24 μg kg−1of dry soil recovered after both a winter and spring wheat cropping season. However, chlorsulfuron persistence at the same rate was very high in the dry year 1988–89, with 0.43 μ

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Jordá, C., A. Lázaro Pérez, P. V. Martínez Culebras, and A. Lacasa. "First Report of Pepino mosaic virus on Natural Hosts." Plant Disease 85, no. 12 (2001): 1292. http://dx.doi.org/10.1094/pdis.2001.85.12.1292d.

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Pepino mosaic virus (PepMV) is a potexvirus recently identified as the causal agent of a new disease occurring in protected tomato (Lycopersicon esculentum Mill.) crops in the Netherlands (2). PepMV has been subsequently identified in England, Germany, Italy, Morocco, Portugal, and Spain. The new disease has become a serious problem for tomato production in Europe. Most infected tomato plants expressed leaf distortion, chlorosis, and yellow mosaic. Other plants expressed mosaic and bubbling of the leaf surface. Tomato fruits showing severe discoloration and mosaic were observed in protected to

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26

Santín-Montanyá, M. I., and A. Sombrero Sacristán. "The effects of soil tillage techniques on weed flora in high input barley systems in northern Spain." Canadian Journal of Plant Science 100, no. 3 (2020): 245–52. http://dx.doi.org/10.1139/cjps-2019-0178.

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In barley cropping systems of northern Spain, agronomic practices and weather conditions are key components of weed control efficacy. We compared the short-term effects of conventional tillage with minimum tillage (MT) and zero tillage (ZT), in barley monoculture and barley rotation systems. Weed density and weed species number were measured at tillering and flowering barley stages. We found that tillage system can influence weed density and weed species establishment due to, in part, the available light for weed seeds. The results obtained indicate that the MT system facilitates the prevalenc

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Guerrero-Casado, José, Antonio J. Carpio, Laura M. Prada, and Francisco S. Tortosa. "Short communication. The role of rabbit density and the diversity of weeds in the development of cover crops in olive groves." Spanish Journal of Agricultural Research 13, no. 3 (2015): e03SC01. http://dx.doi.org/10.5424/sjar/2015133-7022.

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<p>Cover crops are an effective means to reduce soil erosion and to provide food and shelter for wildlife. However, in areas of intensive farming, which are characterised by the scarcity of weed communities, wild herbivores may focus their grazing on cover crops, which could make their implementation difficult. In this work, we test whether rabbit grazing can prevent the growth of herbaceous cover crops in olive groves in Southern Spain in addition to assessing the role of rabbit abundance and diversity of weeds in the development of cover crops. This question has been addressed by sowin

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Fernández-Sanz, Ana M., M. Rosario Rodicio, and Ana J. González. "Phenotypic and genotypic analysis of Pseudomonas syringae recovered from symptomatic beans and associated weeds in Northern Spain." European Journal of Plant Pathology 157, no. 2 (2020): 377–87. http://dx.doi.org/10.1007/s10658-020-02010-z.

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Palma-Bautista, Candelario, Antonia M. Rojano-Delgado, Ignacio Dellaferrera, et al. "Resistance Mechanisms to 2,4-D in Six Different Dicotyledonous Weeds Around the World." Agronomy 10, no. 4 (2020): 566. http://dx.doi.org/10.3390/agronomy10040566.

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2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in five weed species from around the globe: Amaranthus hybridus (Argentina), Conyza canadensis (Hungary), Conyza sumatrensis (France), Hirschfeldia incana (Argentina) and Parthenium hysterophorus (Dominican Republic), using Papaver rhoeas (Spain) as a standard resistant (R) species. Dose-response trials using malathion and absorption, translocation and metabolism experiments were

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Valencia-Gredilla, Francisco, Aritz Royo-Esnal, Alejandro Juárez-Escario, and Jordi Recasens. "Different Ground Vegetation Cover Management Systems to Manage Cynodon dactylon in an Irrigated Vineyard." Agronomy 10, no. 6 (2020): 908. http://dx.doi.org/10.3390/agronomy10060908.

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Ground cover management in vineyards in Spain is focused on minimizing soil erosion and compaction. Such practices have influenced the weed community structure in the inter-rows, contributing to the spread of the high noxious weed Cynodon dactylon (L.) Pers. This fact highlights the need for further investigation of the interaction between ground cover practices and weed control techniques. In this study, the effect of four different ground cover managements (M) in the inter-rows on C. dactylon population dynamics (changes in coverage and frequency) was assessed over three seasons (2015–2017):

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Cirujeda, A., J. Aibar, M. M. Moreno, and C. Zaragoza. "Effective mechanical weed control in processing tomato: Seven years of results." Renewable Agriculture and Food Systems 30, no. 3 (2013): 223–32. http://dx.doi.org/10.1017/s1742170513000434.

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AbstractOpen-air crops are important in Spanish horticulture. The limited number of herbicide active ingredients in minor crops, the waste problem of polyethylene (PE) plastic mulch and the high prices of biodegradable plastics leave hand-weeding and mechanical weed control as the most viable weed control methods. Different tools have been tested in northern European countries but their performance remains unknown in the edaphoclimatic situation of southern Europe. The objective of this work was to test novel physical weed control methods on processing tomato in northeastern Spain compared wit

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Loureiro, Iñigo, Inés Santin-Montanyá, María-Concepción Escorial, et al. "Glyphosate as a Tool for the Incorporation of New Herbicide Options in Integrated Weed Management in Maize: A Weed Dynamics Evaluation." Agronomy 9, no. 12 (2019): 876. http://dx.doi.org/10.3390/agronomy9120876.

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A farm-scale investigation was conducted to evaluate the potential impact of integrating glyphosate into different weed management programs when cultivating herbicide-tolerant maize in central Spain from 2012 to 2014. The weed management programs were (1) a conventional weed management with pre- and post-emergent herbicide applications, (2) a weed management program in which the number and total amount of conventional herbicides applied were reduced, and (3) three weed management programs that comprised either two post-emergent applications of the herbicide glyphosate, or only one glyphosate a

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Mansilla Martínez, José, José-Arturo de Juan Valero, Alfonso Domínguez Padilla, and María-Raquel Picornell Buendía. "Competition and critical periods in spring sugar beet cultivation." Journal of Plant Protection Research 55, no. 4 (2015): 336–42. http://dx.doi.org/10.1515/jppr-2015-0044.

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AbstractHigh yields with low costs require that sugar beets be kept free of weeds, during critical periods, using labor or chemical treatments. Since the critical periods for this crop in Castilla - La Mancha (Spain) are unknown, the first goal of this study was to determine the effect of early and late competition on yield. The second goal was to determine the critical periods, while taking into consideration the semiarid climatic conditions of this region. Two irrigation farms located in the province of Albacete are dedicated to sugar beet cultivation. These two farms were chosen to carry ou

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Curt, M. D., P. V. Mauri, M. Sanz, et al. "The ability of the Arundo donax crop to compete with weeds in central Spain over two growing cycles." Industrial Crops and Products 108 (December 2017): 86–94. http://dx.doi.org/10.1016/j.indcrop.2017.06.015.

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Izquierdo, Jordi, Alice E. Milne, Jordi Recasens, et al. "Spatial and Temporal Stability of Weed Patches in Cereal Fields under Direct Drilling and Harrow Tillage." Agronomy 10, no. 4 (2020): 452. http://dx.doi.org/10.3390/agronomy10040452.

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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 site-specific weed control, which is based on the accurate location of weed patches for spraying. We studied the effect of two types of CA (direct drilling and harrow-tilled to 20 cm) on weed patches in a three-year survey in four direct-drilled and three harrow-tilled commercial fields in Catalonia (North-eastern Spain). The area of the ground covered by weeds (hereafter called “w

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Cavero, Jose, Carlos Zaragoza, and Ramiro Gil-Ortega. "Tolerance of Direct-seeded Pepper (Capsicum annuum) Under Plastic Mulch to Herbicides." Weed Technology 10, no. 4 (1996): 900–906. http://dx.doi.org/10.1017/s0890037x00040999.

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Tolerance of direct-seeded pepper under clear plastic mulch to herbicides applied pre- and post-emergence was investigated in 1991 and 1992. Weed control of herbicides applied preemergence was also studied. Paprika cultivar ‘Buketen’ and canning cultivars ‘Piquillo de Lodosa’ and ‘Pico de Mendavia’ were seeded in the field in Zaragoza, Spain, in a loamy soil. Percent emergence, plant mortality after the postemergence treatment, dry weight of plants, and fruit weight were recorded. Pepper was tolerant to diphenamid and napropamide applied preemergence but these herbicides did not control broadl

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Sánchez-Campos, S., J. Navas-Castillo, R. Camero, C. Soria, J. A. Díaz, and E. Moriones. "Displacement of Tomato Yellow Leaf Curl Virus (TYLCV)-Sr by TYLCV-Is in Tomato Epidemics in Spain." Phytopathology® 89, no. 11 (1999): 1038–43. http://dx.doi.org/10.1094/phyto.1999.89.11.1038.

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A progressive displacement of tomato yellow leaf curl virus (TYLCV)-Sr by TYLCV-Is was observed in tomato epidemics in southern Spain based on incidence data of both virus species obtained during surveys conducted between 1996 and 1998. Ecological factors that might be involved in such a displacement, such as competition of TYLCV-Sr and TYLCV-Is in tomato, transmission by local biotypes (B and Q) of Bemisia tabaci, and presence in weeds and alternate crops, have been analyzed. No selective advantage is observed for TYLCV-Sr or TYLCV-Is in tomato plants either infected via Agrobacterium tumefac

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Sousa-Ortega, Carlos, José Luis Fernandez, and Mino Sportelli. "Case Report of Avena sterilis subsp. sterilis ACCase Herbicide Resistance in Southern Spain." Agriculture 13, no. 1 (2022): 85. http://dx.doi.org/10.3390/agriculture13010085.

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Wild oats are worldwide grassy weeds that cause substantial yield losses, particularly in winter cereal crops. In addition, wild oat herbicide resistant cases have increased; indeed, up to 52 cases have been registered. Despite this, no wild oat herbicide resistant cases have been described in Spain, where farmers and technicians have reported poor herbicide efficacy in sterile oats (Avena sterilis subsp. sterilis L.). A dose-response experiment was conducted comparing the behavior of two populations of A. sterilis from southern Spain to a susceptible population. These populations were collect

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Escorial, María-Concepción, María-Cristina Chueca, Andrés Pérez-Fernández, and Iñigo Loureiro. "Glyphosate sensitivity of selected weed species commonly found in maize fields." Weed Science 67, no. 6 (2019): 633–41. http://dx.doi.org/10.1017/wsc.2019.54.

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AbstractGlyphosate resistance has evolved worldwide. Glyphosate is also the most used herbicide in Spain, and current changes in herbicide usage patterns can increase the risk of glyphosate resistance development. The objective of this study was to assess the glyphosate sensitivity of different selected weed species important in Spanish maize (Zea mays L.) fields. To this end, dose–response experiments were conducted under controlled conditions in a growth chamber to examine variation in glyphosate sensitivity among populations of five grass weed species and eight broadleaf weed species that a

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Lopez, S., M. D. Carro, J. S. Gonzalez, and F. J. Ovejero. "Rumen degradation of the main forage species harvested from permanent mountain meadows in North-western Spain." Journal of Agricultural Science 117, no. 3 (1991): 363–69. http://dx.doi.org/10.1017/s0021859600067113.

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SUMMARYHerbage samples were collected in late June, and again in early September (1987) from permanent mountain meadows situated in North-western Spain (León). Botanical composition was determined by grouping the species into grasses, legumes and herbaceous ‘weeds’. Rumen degradability of the dry matter (DM), crude protein (CP) and neutral detergent fibre (NDF) of the botanical groups in each harvest season was determined by the nylon-bag technique.Grasses and legumes differed in their degradation characteristics, and the comparisons between forage species were different for the two harvest se

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Gómez de Barreda, Diego, Inmaculada Bautista, Vicente Castell, and Antonio Lidón. "Rice Straw Mulch Installation in a Vineyard Improves Weed Control and Modifies Soil Characteristics." Agronomy 13, no. 12 (2023): 3068. http://dx.doi.org/10.3390/agronomy13123068.

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After harvesting rice paddy fields, rice straw is a significant problem due to uncontrolled CO2 emissions when the straw is burned. One solution to this problem is to use this rice by-product for mulching planting lines of fruit trees or vineyards with the purpose of controlling weeds and improving soil characteristics. A 3-year experiment was conducted at the Polytechnic University of Valencia (Spain) demonstration vineyard, where rice-straw mulch was installed at three rates in 2021, 24.0, 43.1, and 63.1 t ha−1, and in 2022, 25.0, 37.5, and 50.0 t ha−1. Weeds were mainly controlled with the

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LAVINA, A., J. ARAMBURU, and E. MORIONES. "Occurrence of tomato spotted wilt and cucumber mosaic viruses in field-grown tomato crops and associated weeds in northeastern Spain." Plant Pathology 45, no. 5 (1996): 837–42. http://dx.doi.org/10.1111/j.1365-3059.1996.tb02893.x.

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Torra, Joel, José M. Montull, Isabel M. Calha, María D. Osuna, Joao Portugal, and Rafael de Prado. "Current Status of Herbicide Resistance in the Iberian Peninsula: Future Trends and Challenges." Agronomy 12, no. 4 (2022): 929. http://dx.doi.org/10.3390/agronomy12040929.

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The evolution of herbicide resistance in weeds has emerged as one of the most serious threats to sustainable food production systems, which necessitates the evaluation of herbicides to determine their efficacy. The first herbicide resistance case in the Iberian Peninsula was reported about 50 years ago, wherein Panicum dichotomiflorum was found to be resistant (R) to atrazine in Spanish maize fields. Since then, herbicide resistance has evolved in 33 weed species, representing a total of 77 single-herbicide-resistance cases in this geographic area: 66 in Spain and 11 in Portugal. Changes in ag

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Osca, José M., Felip Galán, and Héctor Moreno-Ramón. "Rice Paddy Soil Seedbanks Composition in a Mediterranean Wetland and the Influence of Winter Flooding." Agronomy 11, no. 6 (2021): 1199. http://dx.doi.org/10.3390/agronomy11061199.

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Soil seedbanks are defined in composition and quantity by many environmental factors inherent to a specific area, and they can be an indicator of the potential problems of weeds in crops. In Valencia (Spain), rice is cultivated with continuous flooding during the growing season, and after harvesting, many of the paddy fields are flooded again during the winter. This study investigates the paddy fields’ soil seedbank composition in this Mediterranean paddy area and the effect of winter flooding on the soil seedbank. Multispectral images from the Sentinel-2 satellite were used to characterise th

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Abad, Javier, Marín Diana, Santesteban L. Gonzaga, Cibriáin José Félix, and Sagüés Ana. "Under-vine cover crops: impact on weed development, yield and grape composition." OENO One 54, no. 4 (2020): 975–83. http://dx.doi.org/10.20870/oeno-one.2020.54.4.4149.

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This study aims to evaluate the interest of using an under-vine cover crop as a sustainable management tool replacing herbicides or tillage to control weeds, evaluating its effects on yield and berry parameters in a semi-arid climate. The performance of Trifolium fragiferum as an under-vine cover crop was evaluated in 2018 and 2019 in a Merlot vineyard in Traibuenas (Navarra, Spain). This trial showed that the soil under the vines was covered by 80 % of the cover crop in August 2018 and 100 % in Aug 2019, with clover (T. fragiferum) comprising around 26 % and 70 % of the cover crop surface, re

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Anzalone, A., A. Cirujeda, J. Aibar, G. Pardo, and C. Zaragoza. "Effect of Biodegradable Mulch Materials on Weed Control in Processing Tomatoes." Weed Technology 24, no. 3 (2010): 369–77. http://dx.doi.org/10.1614/wt-09-020.1.

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Three years of field trials have been carried out in Zaragoza, Spain, using different biodegradable mulch materials in processing tomatoes. The aim was to evaluate weed control with several biodegradable mulches as alternatives to black polyethylene (PE) mulch. The treatments were rice straw, barley straw, maize harvest residue, absinth wormwood plants, black biodegradable plastic, brown kraft paper, PE, herbicide, manual weeding, and unweeded control. Assessments focused on weeds and on crop yield. A laboratory study showed that 1 kg/m2of organic mulch was sufficient to cover the soil for ric

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Pardo, Gabriel, Ana Isabel Marí, Joaquín Aibar, and Alicia Cirujeda. "Do Crop Rotations in Rice Reduce Weed and Echinochloa spp. Infestations? Recommendations for Integrated Weed Control." Agronomy 11, no. 3 (2021): 454. http://dx.doi.org/10.3390/agronomy11030454.

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The species belonging to the genus Echinochloa represent the main weeds in rice fields worldwide. Heavy soils are especially appropriate for this crop that is often grown in monoculture. A drought period in 2012 impeded farmers from sowing rice in some parts of the region of Aragon (northeastern Spain) and, unusually, they seeded alternative crops such as winter cereal, fescue (Festuca arundinacea), ryegrass (Lolium multiflorum) and lucerne (Medicago sativa). A total of 20 fields were selected, in which rice had been grown in monocrop until 2011 and several crop sequences were established afte

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Webster, C. G., C. S. Kousik, P. D. Roberts, E. N. Rosskopf, W. W. Turechek, and S. Adkins. "Cucurbit yellow stunting disorder virus Detected in Pigweed in Florida." Plant Disease 95, no. 3 (2011): 360. http://dx.doi.org/10.1094/pdis-11-10-0813.

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Pigweeds (genus Amaranthus) are problematic weeds in crop production throughout the world and are responsible for significant yield losses in many crops (2). Members of this genus can produce hundreds of thousands of seeds per plant and are also capable of supporting populations of important crop pathogens including viruses, nematodes, fungi, and oomycetes. Thirty-one pigweed samples (tentatively identified as Amaranthus lividus L. based on leaf notch and growth habit) were collected in November and December of 2009 from a watermelon field near Immokalee, FL, previously found to contain waterm

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Cerdà, Artemi, Jesús Rodrigo-Comino, Antonio Giménez-Morera, and Saskia D. Keesstra. "Hydrological and erosional impact and farmer’s perception on catch crops and weeds in citrus organic farming in Canyoles river watershed, Eastern Spain." Agriculture, Ecosystems & Environment 258 (April 2018): 49–58. http://dx.doi.org/10.1016/j.agee.2018.02.015.

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Jurado-Expósito, Montserrat, Francisca López-Granados, Francisco Manuel Jiménez-Brenes, and Jorge Torres-Sánchez. "Monitoring the Spatial Variability of Knapweed (Centaurea diluta Aiton) in Wheat Crops Using Geostatistics and UAV Imagery: Probability Maps for Risk Assessment in Site-Specific Control." Agronomy 11, no. 5 (2021): 880. http://dx.doi.org/10.3390/agronomy11050880.

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Assessing the spatial distribution of weeds within a field is a key step to the success of site-specific weed management strategies. Centaurea diluta (knapweed) is an emerging weed that is causing a major agronomic problem in southern and central Spain because of its large size, the difficulty of controlling it, and its high competitive ability. The main objectives of this study were to examine the spatial variability of C. diluta density in two wheat fields by multivariate geostatistical methods using unmanned aerial vehicle (UAV) imagery as secondary information and to delineate potential co

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