Results 1 to 10 of about 319 (80)

Accuracy and consistency of grass pollen identification by human analysts using electron micrographs of surface ornamentation. [PDF]

Appl Plant Sci, 2014
• Premise of the study: Humans frequently identify pollen grains at a taxonomic rank above species. Grass pollen is a classic case of this situation, which has led to the development of computational methods for identifying grass pollen species.
Mander L, Baker SJ, Belcher CM, Haselhorst DS, Rodriguez J, Thorn JL, Tiwari S, Urrego DH, Wesseln CJ, Punyasena SW.   +9 more
europepmc   +5 more sources

Foliar structural differences between glyphosate-resistant and glyphosate-susceptible biotypes of Digitaria insularis (L.) Fedde [PDF]

Revista Ceres, 2023
Digitaria insularis (L.) Fedde stands out for its resistance to glyphosate and this characteristic may have a relationship with structural alterations. In such context, this research aimed at the characterization of the foliar anatomical structure of two
Silvio Douglas Ferreira, Jaqueline de Araújo Barbosa, Shirley Martins Silva, Neumarcio Vilanova da Costa   +3 more
doaj   +2 more sources

Ecophysiology of seed germination in Digitaria insularis ((L.) Fedde) [PDF]

Revista Ciência Agronômica, 2014
The invasive behaviour of sourgrass (Digitaria insularis) in cultivated areas is due to its strategy of aggressive regeneration, which is based on seed germination.
Giovana Soares de Mendonça, Cibele Chalita Martins, Dagoberto Martins, Neumárcio Vilanova da Costa   +3 more
doaj   +5 more sources

Identificação e controle de biótipos resistentes de Digitaria insularis (L.) Fedde ao glyphosate [PDF]

Revista Brasileira de Herbicidas, 2015
Em áreas de plantio direto, algumas espécies invasoras têm apresentado potencial para desenvolver resistência ao herbicida glyphosate. Herbicidas inibidores da enzima ACCase podem constituir uma alternativa de controle de biótipos de Digitaria insularis (L.) Fedde resistentes ao glyphosate.
Leandro Rissieri Licorini, Marco Antonio Gandolfo, Maria Aparecida Sorace, Robinson Osipe, Conceição Aparecida Cossa, Jethro Barros Osipe   +5 more
openaire   +3 more sources

Diferenças estruturais foliares entre biótipos resistente e suscetível ao glyphosate de Digitaria insularis (L.) Fedde [PDF]

, 2022
Tivemos como objetivo caracterizar anatomicamente as folhas de duas populações de D. insularis (biótipo resistente e biótipo suscetível) coletadas em áreas agrícolas no Paraná. Para isso, utilizou-se delineamento experimental em blocos ao acaso, com dez repetições.
Silvio Douglas Ferreira, Jaqueline De Araújo Barbosa, Shirley Martins Silva, Neumarcio Vilanova da Costa   +3 more
openaire   +3 more sources

An individual-based model of seed- and rhizome-propagated perennial plant species and sustainable management of Sorghum halepense in soybean production systems in Argentina. [PDF]

Ecol Evol, 2019
The paper presented a novel population model for evaluating the effects of ecological, evolutionary, and anthropogenic factors on the population dynamics of perennial plant species. To exemplify the application of the model, a case study of an important weed species, Sorghum halepense, in soybean productions in Argentina was presented.
Liu C, Scursoni JA, Moreno R, Zelaya IA, Muñoz MS, Kaundun SS.   +5 more
europepmc   +2 more sources

Control of Digitaria insularis (L.) Fedde in eucalyptus forests: shading increases sensitivity to glyphosate applied alone and in a mixture with carfentrazone-ethyl

Discover Agriculture, 2023
Shading, the predominant condition in most of the eucalyptus cultivation cycle, causes changes in the morphological and physiological weed's characteristics, which can alter their responses to glyphosate and carfentrazone-ethyl, important herbicides for ...
Guilherme Augusto Paiva Ferreira, Luan Mateus Silva Donato, William Gomes Montes, Leonardo Michel Rocha, Leonardo David Tuffi Santos   +4 more
doaj   +2 more sources

Growth inhibition of sourgrass as a function of period of darkness after diquat application [PDF]

Bioscience Journal, 2022
Photosystem-inhibiting herbicides, such as diquat, act by inducing oxidative stress. However, oxidative damage impairs translocation, resulting in regrowth of the plants.
Guilherme Mendes Pio de Oliveira, Marcelo Augusto de Aguiar e Silva, Giliardi Dalazen   +2 more
doaj   +3 more sources

Spreading and evaporation of glufosinate solution with adjuvants on different weed species [PDF]

Ciência e Agrotecnologia
The addition of adjuvants to herbicides to improve the effectiveness of spray solutions for weed control has been widely adopted. This research aimed to determine the spread, contact angle, and evaporation time of glufosinate, with and without adjuvants,
Rone Batista de Oliveira, Mariana Cristina Assunção, José Gabriel Castilho Theodoro, Natãny Aparecida Paduan, Rosemeire Tonchi, Silvio Douglas Ferreira   +5 more
doaj   +3 more sources

Malezas invasoras globales en Saccharum spp. L. ex Mukherjee, S.K. 1957 después del impacto del cambio climático [PDF]

AIA Avances en Investigación Agropecuaria, 2019
El presente trabajo informa sobre el comportamiento de las peores malezas invasoras globales en Saccharum spp. L. (PMIGS) con los cambios de clima del efecto invernadero (CCEI). Las PMIGS en América Latina y el Caribe fueron seleccionadas en el primero y
Roberto Antonio Arévalo, Samuel Córdova Sánchez, Edmilson José Ambrosano, Edna Ivani Beroncini, Francisco Javier Espinosa García, Lourdes Ársula Arévalo Cordero, Antonio Chinea Martin, Juan Lorenzo Medina Pitalúa, Guilherme Bovi Ambrosano   +8 more
doaj   +2 more sources