Efecto de herbicidas sobre plantas y semillas de Rottboellia cochinchinensis (Lour.) W. Clayton, en caña de azúcar.

Esquivel, Valentín Alberto Esqueda

doi:10.15517/am.v16i1.5181

Cited by 3 publications

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“…First, it is a highly diverse country with little public and governmental awareness of the threats of the biological invasions (Espinosa-García, 2009), thus, information on areas where invasive species could have a significant negative effect on ecosystems and human societies are urgently needed (IMTA, TNC, Conabio, Aridamerica, & GECI, 2008). Second, there are well-known examples of how invasives are having a strong effect upon biodiversity, ecosystems and human-well being (Pejchar & Mooney, 1999), e. g. the exotic water hyacinth (Eichhornia crassipes) (Martínez-Jiménez & Gómez-Balandra, 2007;Pérez-Panduro, 1998) and the Itchgrass (Rottboellia cochinchinensis), considered to be one of the worst weeds in the world (Esqueda-Esquivel, 2005;Holm, Plucknett, Pancho, & Herberger, 1977;Medina-Pitalúa & Domínguez-Valenzuela, 2001). Third, ongoing research has already explored what are the most important factors associated with the presence of invasive species in Mexico as well as their relative importance at the country level (Espinosa-García, Villaseñor, & Vibrans, 2004;.…”

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Identifying areas of high invasion risk: a general model and an application to Mexico

del‐Val¹,

Balvanera²,

Castellarini³

et al. 2015

Revista Mexicana de Biodiversidad

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Maps have become a key tool to guide priorities for biodiversity conservation, the maintenance of ecosystem services, but much less so for critical action against further service loss in critical areas. Biological invasions are important disruptors of ecosystem services given that they directly or indirectly affect human well being, as they are an important cause of biodiversity loss worldwide and interfere with the provision of many ecosystem services. Here, we propose a general model to identify regions where the probability of plant invasion is higher and can cause and/ or aggravate negative effects upon ecosystems. We then apply the general model to Mexico. Our model of probability of invasion considers 4 main variables: propagule availability, vegetation type, anthropic disturbance and native plant species richness. We calculated an invasion risk index combining all factors. We produced 5 maps, one for each variable and another constructed with our model of combined risk, for a grid of 0.5º × 0.5º grid across the whole country. We validated our model with State level data on exotic plants per State and obtained a significant correlation (r= 0.73, p< 0.001) between our invasion risk index derived from the model and the observed density of exotic species. Areas with greater susceptibility to invasion are closer to large human settlements and to areas of intensive agriculture. Very high risk corridors and islands were detected in our maps, as well very high risk areas in high diversity regions such as Chiapas and the Puebla-Veracruz border where we suggest attention should be focused. Our model although simple, provides a useful tool for policy design to detect areas within a specific region or country where biotic invasions are likely to have a large effect. Locating these areas is important in order to maximize return on monetary and human resources and to minimize damaging effects of plant invasions.

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confidence: 99%

Identifying areas of high invasion risk: a general model and an application to Mexico

del‐Val¹,

Balvanera²,

Castellarini³

et al. 2015

Revista Mexicana de Biodiversidad

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“…El zacate peludo (Rottboellia cochinchinensis (Lour.) Clayton) conocido inicialmente como R. exaltata L., es una gramínea anual de autopolinización, erecta y está clasificado como una maleza cuarentenada ampliamente distribuida en los estados colindantes al Golfo de México (Campeche, Tabasco y Veracruz) se encuentran en los cultivos de arroz, algodón, maíz, sorgo y caña de azúcar, así como en potreros y plantaciones tropicales (mangos, cítricos, papaya) (Alves et al, 2003;Esqueda, 2005;Silva et al, 2009;Sánchez-Ken et al, 2012;Bundit et al, 2014;León et al, 2015). En México, esta especie fue colectada por primera vez en la zona de Escárcega, Campeche, en 1982 (Esqueda, 2005).…”

Section: Introductionunclassified

“…León et al (2015) indican que la temperatura base para que R. cochinchinensis germine es de 20 °C y que, a temperaturas inferiores, esta especie no se propaga. Cabe señalar, que los municipios con mayor densidad de población de R. cochinchinensis colindan con el estado de Puebla, por lo que posiblemente se diseminó debido al flujo de maquinaria agrícola, agua, así como animales, desde Veracruz a Puebla y de ahí a Morelos (Esqueda, 2005). En cuanto a la densidad poblacional (Figura 2), de enero a marzo se observó una densidad que se mantuvo en un intervalo de 32 a 40 plantas por m 2 , ya que la ausencia de humedad afecto su propagación.…”

Section: Introductionunclassified

Distribución y densidad de Rottboellia cochinchinensis (Lour.) Clayton en el estado de Morelos

Carpio¹,

Corro²,

Mondoza³

et al. 2019

Remexca

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En México, se puede observar un incremento en la introducción y diseminación de malezas cuarentenadas, las cuales, pueden causar daños económicos millonarios a la agricultura, por requerir medidas nuevas de combate en los cultivos. El objetivo del estudio fue determinar la distribución y densidad poblacional de Rottboellia cochinchinensis (zacate peludo) en el estado de Morelos y así conocer la época de mayor propagación con referencias a las condiciones ambientales y con ello evaluar el momento más oportuno para controlar o erradicar al zacate peludo, antes de que se pueda reproducir. El estudio se realizó del 01 de enero al 31 de diciembre de 2015, en las zonas agrícolas de los 33 municipios del estado de Morelos, donde fueron muestreados para identificar la presencia de R. cochinchinensis. Una vez identificada la existencia del zacate peludo en los municipios, cada mes se dio seguimiento a los municipios con presencia para conocer la densidad poblacional. Los municipios con la población más densa fueron Jantetelco, Jonacatepec, Tepalcingo y Xochitepec. La densidad de población más alta se presentó en los meses de julio y agosto después de observarse la mayor precipitación, por lo que es importante aplicar técnica de control sobre Rottboellia cochinchinensis antes del periodo mencionado entre los meses de mayo y junio.

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“…Rottboellia causes yield losses of 20 to 70%, depending on the crop type, the harvest cycle, and the local ecological conditions, including soil type, fertilization methods, and the season in which the crop is grown (Millhollon and Burner, 1993). In Mexico, Rottboellia has invaded fields cultivated with maize, rice, sugarcane, bean, and citrus, in addition to tropical forest plantations, such as mahogany plantations, along the coast of the Gulf of Mexico and the Pacific Ocean (Esqueda‐Esquivel, 2005).…”

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“…The latter authors reported that farmers in Lampang, northern Thailand, cultivated Rottboellia and used it as mulching material to control other weeds in their fields. There are also several studies about interference of itchgrass on maize (Fisher et al, 1987; Strahan et al, 2000a; Esqueda‐Esquivel, 2005; Delgado et al, 2006). However, no studies have evaluated the effect of density and growth parameters in both species.…”

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Mutual Effects of Rottboellia cochinchinensis and Maize Grown Together at Different Densities

et al. 2013

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or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher. known worldwide (Holm et al., 1977).This species has invaded agricultural fields in numerous countries and has reduced growth and yields of crops such as soybean [Glycine max (L.) Merr.], cotton (Gossypium hirsutum L.), peanut (Arachis hypogaea L.), upland rice (Oryza sativa L.), sugarcane (Saccharum spp.), and maize (Zea mays L.) (Holm et al., 1977;Strahan et al., 2000a). Rottboellia causes yield losses of 20 to 70%, depending on the crop type, the harvest cycle, and the local ecological conditions, including soil type, fertilization methods, and the season in which the crop is grown (Millhollon and Burner, 1993). In Mexico, Rottboellia has invaded fields cultivated with maize, rice, sugarcane, bean, and citrus, in addition to tropical forest plantations, such as mahogany plantations, along the coast of the Gulf of Mexico and the Pacific Ocean (Esqueda-Esquivel, 2005). Strahan et al. (2000b) showed that this invader weed could reduce maize yields by 33%. Other authors reported losses as high as 90% and proposed that the deleterious effect of Rottboellia on maize growth could be due to competition and/or allelopathy (Fisher et al., 1987;Delgado et al., 2006).Plants compete with one another for resources, such as nutrients, water, light, and pollinators. Some plants also produce and release chemical substances that inhibit or stimulate germination, growth, development, and survival of neighboring AbStrAct A greenhouse experiment was performed to test whether competition, and possibly allelopathy, were involved in Rottboellia cochinchinensis-maize interactions in two soil conditions: fertilized and unfertilized. Changes in morphological and physiological growth parameters for each species were determined by classical plant growth analysis. The dry weight and total leaf area of maize grown with Rottboellia decreased significantly as the density of the weed or maize plants increased, particularly under unfertilized conditions. At high densities of Rottboellia, regardless of fertilization, its root biomass allocation was 38% greater than the stem and leaf biomass allocation. In contrast, in unfertilized conditions, Rottboellia biomass allocation was higher in leaves than in roots and stems at high densities of maize or Rottboellia. Relative crowding coefficient values indicated that maize had a competitive advantage over Rottboellia. Mutual allelopathic effects of maize-Rottboellia interactions were not fully demonstrated because plant relative yield values were not significant among treatments. When the density of Rottboellia increased, its total leaf area and total dry weight significantly decreased, greater than when the density of maize increased. These results indicate that intra-specific competition between Rottboellia plants was greater than inter-specific competition with maize. High densities of maize significantly reduced the total leaf area of maize and Rottboe...

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Efecto de herbicidas sobre plantas y semillas de Rottboellia cochinchinensis (Lour.) W. Clayton, en caña de azúcar.

Cited by 3 publications

References 5 publications

Identifying areas of high invasion risk: a general model and an application to Mexico

Identifying areas of high invasion risk: a general model and an application to Mexico

Distribución y densidad de Rottboellia cochinchinensis (Lour.) Clayton en el estado de Morelos

Mutual Effects of Rottboellia cochinchinensis and Maize Grown Together at Different Densities

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