Results 71 to 80 of about 805 (169)

Sixty Years of Sugarcane Monoculture Alters Carbon Preservation in Large Soil Macroaggregates in Tropical Soil

open access: yesLand Degradation &Development, Volume 36, Issue 12, Page 4056-4067, 30 July 2025.
ABSTRACT Frequent and intensive tillage in conventional agriculture disrupts soil aggregates, engendering significant depletion of soil organic carbon (SOC) stocks. Long‐term studies are essential for assessing the impact of sustainable practices on aggregate dynamics and carbon sequestration in sugarcane monocropping in tropical ecosystems.
Belchior Oliveira Trigueiro da Silva   +9 more
wiley   +1 more source

Avaliação da atividade moluscicida de extratos vegetais sobre Achatina fulica Bowdich (Mollusca, Achatinidae)

open access: yesArquivos do Instituto Biológico, 2016
RESUMO: Achatina fulica Bowdich (Achatinidae) é um gastrópode terrestre pulmonado e tornou-se praga de pequenos cultivos de subsistência, sendo considerado uma ameaça à agricultura sustentável em alguns países, demandando altos custos em tentativas de ...
Licielo Romero Vieira   +2 more
doaj   +1 more source

Aminoisothiazolamides, a new class of potent inhibitors of lysyl‐tRNA synthetase

open access: yesPest Management Science, Volume 81, Issue 7, Page 3956-3983, July 2025.
The present work covers a series of novel herbicidal lead structures that possess an aminoisothiazolamide scaffold as a structural key feature. Lysyl‐tRNA synthetase 1 (KRS1) was identified as the biochemical mode‐of‐action. Based on optimized and tailored synthetic approaches, a broader SAR study was carried out delivering some lead structures that ...
David Bernier   +26 more
wiley   +1 more source

EFFICACY OF EUPHORBIA HETEROPHYLLA LATEX AGAINST PATHOGENIC BACTERIA AND FUNGI

open access: yesAsian Journal of Pharmaceutical and Clinical Research, 2020
Objective: The objective of the study was to determine the antimicrobial activities of Euphorbia heterophylla latex. Methods: The antibacterial and antifungal activities of acetone, chloroform, and diethyl ether extracts were assayed by disk diffusion method. Results: The study of plant E.
PRUTHVI ML   +2 more
openaire   +2 more sources

Tracing the biogeographic history of the world's most isolated insular floras

open access: yesJournal of Systematics and Evolution, Volume 63, Issue 4, Page 952-973, July 2025.
We inferred the spatio–temporal colonization histories of seven vascular plant lineages (Acaena magellanica, Austroblechnum penna‐marina, Azorella selago, Colobanthus kerguelensis, Notogrammitis crassior, Polystichum marionense, Pringlea antiscorbutica) using phylogenetic, divergence time estimation, and Bayesian Island Biogeographic analyses.
Ángela Aguado‐Lara   +7 more
wiley   +1 more source

Competição relativa de espécies de plantas daninhas com dois cultivares de soja Relative weed species competition with two soybean cultivars

open access: yesPlanta Daninha, 2002
Um experimento para avaliação da competição relativa de espécies de plantas daninhas, em relação a cultivares de soja de ciclos vegetativo precoce (Embrapa-48) e médio (Embrapa-62), foi instalado em Londrina-PR, em 1998/99.
E. Voll   +3 more
doaj   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2024

open access: yesEFSA Journal, Volume 23, Issue 7, July 2025.
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)   +8 more
wiley   +1 more source

Allelopathy of aqueous Pachyrhizus erosus L. extracts on Euphorbia heterophylla and Bidens pilosa

open access: yesPesquisa Agropecuária Tropical, 2018
Allelopathy contributes to the sustainable management of weeds in growing areas, due to its ability to inhibit the development of weed species. This study aimed to evaluate the allelopathic effect of Pachyrhizus erosus extract on Euphorbia heterophylla ...
Jaqueline de Araujo Barbosa   +4 more
doaj   +1 more source

Efeito da luz e da quebra de dormência na germinação de sementes de espécies de plantas daninhas Effect of light and dormancy break on weed species seed germination

open access: yesPlanta Daninha, 2007
Objetivou-se com este trabalho verificar a quebra de dormência, utilizando ácido sulfúrico (H2SO4) e escarificação mecânica, e o efeito da luz na germinação das espécies Euphorbia heterophylla, Ipomoea nil, Sida glaziovii e Brachiaria plantaginea.
F.L. Salvador   +4 more
doaj   +1 more source

Structure, ontogeny and histochemistry of cyathial nectaries in Euphorbia heterophylla L. (Euphorbiaceae)

open access: yesActa Societatis Botanicorum Poloniae, 2014
The mature cyathial nectary of Euphorbia heterophylla L. consists of distint secretory and sub-secretory zones. The secretory zone consists of 1-3 layer of palisade-like epidermal cells, supplied by both phloem and xylem.
Karuppanan Arumugasamy   +2 more
doaj   +1 more source

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