Results 41 to 50 of about 277 (141)

Initial growth and development of southern sandbur based on thermal units [PDF]

Planta Daninha, 2014
Availability of basic information on weed biology is an essential tool for designing integrated management programs for agricultural systems. Thus, this study was carried out in order to calculate the base temperature (Tb) of southern sandbur (Cenchrus ...
E.C.R. Machado, R.S.O. Lima, A.P.P. Silva, B.S. Marques, M.F. Gonçalves, S.J.P. Carvalho   +5 more
doaj   +1 more source

GERMINAÇÃO DE SEMENTES DE PLANTAS DANINHAS SUBMETIDAS AO TESTE DE ENVELHECIMENTO ACELERADO

Revista Brasileira de Engenharia de Biossistemas, 2021
O estudo teve como objetivo analisar o efeito do envelhecimento acelerado sobre a germinação de sementes de plantas daninhas. O experimento foi conduzido em laboratório, com delineamento inteiramente casualizado em esquema fatorial 4x5, sendo sementes ...
Gustavo Soares Wenneck, Vinicius Villa e Vila, Reni Saath, Roberto Rezende   +3 more
doaj   +1 more source

Acúmulo e partição de nutrientes de cultivares de milho em competição com plantas daninhas Accumulation and partitioning of dry matter and nutrients in maize cultivars in competition with weed

Planta Daninha, 2012
A competição por nutrientes varia com as espécies envolvidas e pode determinar o sucesso de plantas cultivadas em detrimento das espécies daninhas. Objetivou-se com este trabalho avaliar os efeitos da competição entre três cultivares de milho (híbrido ...
J.P. Cury, J.B. Santos, E.B. Silva, E.C.M. Byrro, R. R. Braga, F.P. Carvalho, D Valadão Silva   +6 more
doaj   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2025

EFSA Journal, Volume 24, Issue 6, June 2026.
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA), Vincenzo Cavalieri, Elisa Fasanelli, Giandomenico Furnari, Davide Gibin, Alicia Gutierrez Linares, Alžběta Mikulová, Pierfederico La Notte, Luca Pasinato, Giuseppe Stancanelli   +9 more
wiley   +1 more source

Biological invasions: a global assessment of geographic distributions, long‐term trends, and data gaps

Biological Reviews, Volume 100, Issue 6, Page 2542-2583, December 2025.
ABSTRACT Biological invasions are one of the major drivers of biodiversity decline and have been shown to have far‐reaching consequences for society and the economy. Preventing the introduction and spread of alien species represents the most effective solution to reducing their impacts on nature and human well‐being.
Hanno Seebens, Laura A. Meyerson, David M. Richardson, Bernd Lenzner, Elena Tricarico, Franck Courchamp, Alla Aleksanyan, Emre Keskin, Hanieh Saeedi, Perpetra Akite, Jake M. Alexander, Sarah A. Bailey, Dino Biancolini, Tim M. Blackburn, Hans Juergen Boehmer, Alejandro Bortolus, Marc W. Cadotte, César Capinha, James T. Carlton, Jo Anne Crouch, Curtis C. Daehler, Franz Essl, Llewellyn C. Foxcroft, Jason D. Fridley, Nicol Fuentes, Mirijam Gaertner, Bella Galil, Emili García‐Berthou, Pablo García‐Díaz, Sylvia Haider, Liam Heneghan, Kevin A. Hughes, Cang Hui, Ekin Kaplan, Andrew M. Liebhold, Chunlong Liu, Elizabete Marchante, Hélia Marchante, Alicia Marticorena, David W. Minter, Rodrigo A. Moreno, Wolfgang Nentwig, Aidin Niamir, Ana Novoa, Ana L. Nunes, Aníbal Pauchard, Sebataolo Rahlao, Anthony Ricciardi, James C. Russell, K.V. Sankaran, Anna Schertler, Evangelina Schwindt, Ross T. Shackleton, Daniel Simberloff, David L. Strayer, Alifereti Tawake, Marco Thines, Cristóbal Villaseñor‐Parada, Jean Ricardo Simões Vitule, Viktoria Wagner, Victoria Werenkraut, Karsten Wesche, Demian A. Willette, Rafael D. Zenni, Petr Pyšek   +64 more
wiley   +1 more source

Manejo de plantas daninhas na cultura do algodoeiro com S-metolachlor e trifloxysulfuron-sodium em sistema de plantio convencional Weed Management with S-metolachlor and trifloxysulfuron-sodium in cotton field

Planta Daninha, 2006
Objetivou-se com este trabalho desenvolver tecnologia para manejo de plantas daninhas na cultura do algodoeiro, em sistema de plantio convencional, combinando os herbicidas S-metolachlor em pré-emergência com trifloxysulfuron-sodium em pós-emergência ...
R.S. Freitas, L.R. Ferreira, P.G. Berger, A.C. Silva, P.R. Cecon, M.P. Silva   +5 more
doaj   +1 more source

Novitates Gabonenses 91: additions to the grass flora of Gabon [PDF]

Plant Ecology and Evolution, 2019
Background – The number of vascular plant species known to occur in Gabon rises quickly due to renewed collecting and inventory activities, often in little-known or previously uncollected areas.Methods – Herbarium material from BR, BRLU and WAG was ...
Marc S.M. Sosef, Ehoarn Bidault, Archange Boupoya, Olivier Lachenaud, Tariq Stévart   +4 more
doaj   +3 more sources

Morfologia de plântulas e estádios juvenis de espécies invasoras - DOI: 10.4025/actascibiolsci.v29i3.475

Acta Scientiarum: Biological Sciences, 2007
Plântulas e plantas jovens de vinte espécies de plantas invasoras, que ocorrem nas culturas mais freqüentes de Maringá, Estado do Paraná, Brasil e regiões adjacentes, foram descritas morfologicamente, e contribuem para identificação no campo e fornecem ...
Káthia Socorro Mathias Mourão, Laércio Domingues, Juliana Marzinek   +2 more
doaj   +1 more source

Extensively harvested hay contaminated with common windgrass induced an ulcerative stomatitis–gingivitis outbreak in horses

Equine Veterinary Education, Volume 37, Issue 4, Page e67-e70, April 2025.
Summary After starting feeding on a new batch of hay, 29 out of 33 horses showed clinical signs of oral ulcerative and bleeding papules and mucous membrane erythema of the gingiva of the mandible within 2–3 days. The results of the complete blood cell count and biochemistry analysis did not yield significant findings in relation to horses affected by ...
I. Vervuert, S. Müller, H. Karl
wiley   +1 more source

Herbicidas inibidores da accase em plantas de Cenchrus echinatus em estresse hídrico

Bioscience Journal, 2014
Este projeto objetivou relacionar a eficiência de controle de herbicidas inibidores da ACCase aplicados em pós-emergência em plantas de Cenchrus echinatus submetidas a diferentes teores de água no solo.
Maria Renata Rocha Pereira, Guilherme Sasso Ferreira de Souza, José Iran Cardoso da Silva, Dagoberto Martins   +3 more
doaj   +3 more sources