Results 41 to 50 of about 281 (141)

Comportamento de diversas plantas daninhas, de ocorrência comum no estado de São Paulo, em relação a duas espécies de nematóides das galhas: segunda parte

open access: yesPlanta Daninha, 1985
Estudou-se o comportamento de dez espécies de plantas daninhas, comuns no Estado de São Paulo, quando o solo em que vegetavam foi inoculado com os nematóides das galhas Meloigodyne javanica (raça 4) ou M. javanica. As avaliações foram feitas 50 dias após
L.C.C.B. Ferraz
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

open access: yesPlanta 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   +6 more
doaj   +1 more source

Henry Trimen: Under‐appreciated pioneer in the typification of Linnaean plant names?

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract In 1887, Henry Trimen published a paper summarising the contents of the Hermann Herbarium, in what is now the Natural History Museum, London (BM), in terms of the plant names published by Linnaeus. Trimen referred to the Hermann specimens as types of Linnaeus's names.
I.M. Turner
wiley   +1 more source

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

open access: yesEFSA 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)   +9 more
wiley   +1 more source

The effects of soil fumigation on the growth and mineral nutrition of weeds and crops=Efeito da fumigação do solo no crescimento e nutrição mineral de plantas daninhas e culturas [PDF]

open access: yesActa Scientiarum. Agronomy, 2012
Weeds and soil microorganisms interact with each other in the soil/root interface, promoting the development and establishment of both. The objective of this study was to evaluate the growth and nutrient accumulation in eight species of weeds (Ageratum ...
Marliane de Cássia Soares da Silva   +5 more
doaj   +1 more source

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

open access: yesBiological 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   +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

open access: yesPlanta 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   +5 more
doaj   +1 more source

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

open access: yesActa 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   +2 more
doaj   +1 more source

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

open access: yesPlant 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   +4 more
doaj   +3 more sources

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

open access: yesEquine 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

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