Results 31 to 40 of about 812 (168)

Structure and development of fruits and seeds of weed species of Euphorbiaceae Estrutura e desenvolvimento de frutos e sementes de espécies invasoras de Euphorbiaceae

open access: yesActa Botânica Brasílica, 2012
Euphorbiaceae s.l. presents several morphological types of fruits, of which the schizocarp is the most common. The fruits of weed species of Euphorbia graminea Jacq., Euphorbia heterophylla L., Euphorbia hirta L.
Karina Bertechine Gagliardi   +4 more
doaj   +1 more source

Seedling structure of Euphorbia L. and Chamaesyce Gray species - doi: 10.4025/actascibiolsci.v36i1.18601

open access: yesActa Scientiarum: Biological Sciences, 2013
Chamaesyce prostrata (Aiton) Small, Euphorbia heterophylla L. and Euphorbia graminea Jacq. are weedy species that occur with relative frequency in the region of Maringá, Paraná State, Brazil.
Luiz Antonio de Souza   +3 more
doaj   +1 more source

A field survey of crop management practices and distribution of ALS resistant Euphorbia heterophylla in two states in southern Brazil Avaliação das práticas de manejo das lavouras e da distribuição geográfica de Euphorbia heterophylla resistente aos inibidores de als em dois estados do sul do Brasil

open access: yesPlanta Daninha, 2004
Herbicide resistance was reported in Brazil almost ten years ago. One of the main weeds with herbicide resistance is wild poinsettia (Euphorbia heterophylla). This work evaluates the distribution of ALS-resistant E. heterophylla in two states in southern
R.A. Vidal   +5 more
doaj   +1 more source

PHYTOCHEMICAL STUDY OF EUPHORBIA HETEROPHYLLA L. CULTIVATED IN EGYPT [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut, 1990
A phytochemical study of Euphorbia heterophylla L. cultivated in Egypt is presented. b-amyrin, b-sitosterol taraxasterol acetate, b-sitosterol glucoside and hydrocarbon with ketonic group were isolated from pet. ether extract of the herb. While lupeol acetate, teraxasterol, b-sitosterol and b-sitosterol glucoside were isolated from ether extract of the
N. El-Emary   +3 more
openaire   +1 more source

Potencial alelopático de Annona crassiflora: efeitos sobre plantas daninhas Allelopathic potential of Annona crassiflora: effects on weeds

open access: yesPlanta Daninha, 2010
A alelopatia pode oferecer novas substâncias químicas com propriedades herbicidas menos prejudiciais ao ambiente e ao homem do que os sintéticos em uso na atual agricultura.
M.H. Inoue   +6 more
doaj   +1 more source

Evaluation of antibacterial activities of euphorbia heterophylla

open access: yesIOSR Journal of Dental and Medical Sciences, 2014
Preparations of the extract of Euphorbia heterophylla are used for the treatment of different infections by Nigerian traditional medicine practitioners. This work evaluated the antibacterial actions of aqueous leaf extract of Euphorbia heterophylla.Materials and methods: Clinical isolates of Klebsiellapneumonia, Staphyllococcusaureus, Escherichia coli,
Ughachukwu PO   +4 more
openaire   +1 more source

Thermodynamics and adsorption study of the corrosion inhibition of mild steel by Euphorbia heterophylla L. extract in 1.5 ​M HCl

open access: yesResults in Materials, 2020
This work investigates the thermodynamics parameters and adsorption mechanism of Euphorbia heterophylla L. extract as a corrosion inhibitor for mild steel in 1.5 ​M HCl. The gravimetric method was used to determine the inhibition efficiency and corrosion
Olatunde Alaba Akinbulumo   +2 more
doaj   +1 more source

From knowledge to action: the importance of characterizing herbicide resistance mechanisms for implementing management strategies

open access: yesPest Management Science, EarlyView.
This review bridges the gap between understanding resistance mechanisms and applying them in weed management, highlighting how mechanistic insights reveal vulnerabilities that can guide more effective control strategies. Abstract Herbicide resistance remains one of the most intensively studied areas in weed science because of its direct consequences ...
Luan Cutti   +3 more
wiley   +1 more source

STUDY THE INDUMENTUM FOR SOME SPECIES OF EUPHORBIA L. (EUPHORBIACEAE) IN IRAQ

open access: yesThe Iraqi Journal of Agricultural science, 2023
This research was aimed to investigate 16 species belonging to the genus Euphorbia in order to enrich the Iraqi flora with diagnostic characteristics of this genus depending of the surface covering of leaves, stems and floral parts.
Zubaida A. Lattef Ismaeel   +1 more
doaj   +1 more source

Effects of irrigated cover crop cultivation period on common bean and soybean yield

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Cover crop inclusion is essential for improving soil management in tropical no till systems; however, the optimal duration of irrigated off‐season cultivation remains uncertain. This 3‐year field study evaluated nine cover crop species or mixtures and four cultivation periods (60, 75, 90, and 105 days) on biomass production, soil chemical ...
Adriano S. Nascente   +8 more
wiley   +1 more source

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