Results 21 to 30 of about 612 (166)

Inibição do desenvolvimento inicial de plantas de girassol, milho e triticale por palhada de capim-colchão Inhibition of the initial development of sunflower, corn and triticale plants by crabgrass

Planta Daninha, 2011
O objetivo deste estudo foi avaliar os possíveis efeitos alelopáticos da massa seca de plantas de capim-colchão (Digitaria horizontalis), incorporadas ao solo em diferentes densidades, sobre a germinação e o crescimento inicial de milho, girassol e ...
M.R.R. Pereira, R.N. Teixeira, G.S.F. Souza, J.I.C. Silva, D. Martins   +4 more
doaj   +1 more source

Chemical Characterization and Allelopathic Effects of Ambrosia psilostachya (Asteraceae). [PDF]

Chem Biodivers
ABSTRACT Ambrosia spp. have been introduced and distributed across different continents as an invasive alien plant species. The present study aimed to identify the chemical components of essential oil isolated from different parts of Ambrosia psilostachya and evaluate the phytotoxic effect of its aqueous extracts on the growth parameters of Phaseolus ...
Saberi H, Yousefi AR, Pouryousef M, Tokasi S, Birbaneh JA, Iriti M.   +5 more
europepmc   +2 more sources

Alternativas de manejo químico da planta daninha Digitaria ciliaris resistente aos herbicidas inibidores da ACCase na cultura de soja Chemical management alternatives of the weed Digitaria ciliaris resistant to ACCASE inhibiting herbicides in soybean crop

Planta Daninha, 2006
Com o objetivo de avaliar a eficácia dos herbicidas inibidores da ACCase sobre uma população de capim-colchão (Digitaria ciliaris) com histórico de falha de controle, bem como propor herbicidas alternativos a serem aplicados em condições de pré e pós ...
R.F. López-Ovejero, L.H. Penckowski, M.J. Podolan, S.J.P. Carvalho, P.J. Christoffoleti   +4 more
doaj   +1 more source

Weed Management in Beans Using Subdoses of Fluazifop-P-Butyl + Fomesafen [PDF]

Planta Daninha, 2018
: The objective of this work was to evaluate the effect of reduced doses of the commercial mixture composed of fluazifop-p-butil + fomesafen, applied for the management of common weeds in beans.
L. GALON, C.T. CASTOLDI, C.T. FORTE, F.A. DE DAVID, G.F. PERIN, A.L. RADUNZ   +5 more
doaj   +1 more source

S-metolachlor efficacy on the control of Brachiaria decumbens, Digitaria horizontalis, and Panicum maximum in mechanically green harvested sugarcane Eficácia do S-metolachlor no controle de Brachiaria decumbens, Digitaria horizontalis e Panicum maximum em área de cana-de-açúcar colhida mecanicamente crua

Planta Daninha, 2012
The aim of this study was to assess the efficacy of S-metolachlor applied in pre-emergence conditions for the control of Brachiaria decumbens, Digitaria horizontalis, and Panicum maximum in sugar cane mechanically harvested without previous burning of ...
N.M. Correia, F.J. Perussi, L.J.P. Gomes
doaj   +1 more source

Improving Weed Management Based on the Timing of Emergence Peaks: A Case Study of Problematic Weeds in Northeast USA

Frontiers in Agronomy, 2022
We reviewed the timing of the peak rate of emergence for 15 problematic weed species as well as ways to use this knowledge to improve control. Much of the previous literature modeled emergence based on growing-degree-days.
Bryan Brown, Eric R. Gallandt, Antonio DiTommaso, Paul Salon, Richard G. Smith, Matthew R. Ryan, Stéphane Cordeau, Stéphane Cordeau   +7 more
doaj   +1 more source

Effect of Growth Stage on the Efficacy of Postemergence Herbicides on Four Weed Species of Direct-Seeded Rice

The Scientific World Journal, 2012
The efficacy of bispyribac-sodium, fenoxaprop + ethoxysulfuron, and penoxsulam + cyhalofop was evaluated against barnyardgrass, Chinese sprangletop, junglerice, and southern crabgrass when applied at four-, six-, and eight-leaf stages.
Bhagirath Singh Chauhan, Seth Bernard Abugho   +1 more
doaj   +1 more source

Influence of Crabgrass Root Exudates on the Hydrocarbons Degrading Microorganisms in Crude Oil Contaminated Soil

Applied Environmental Research
Understanding plant‒microbial interactions in petroleum-contaminated soil is critical for enhancing phytoremediation technology. In this study, the root exudate of crabgrass (Digitaria ciliaris) was collected hydroponically, and its dominant composition
Sinha Changsiriwatana, Kwang Mo Yang, Toemthip Poolpak, Prayad Pokethitiyook   +3 more
doaj   +1 more source

Eliminating Crabgrass

Journal of the New York Botanical Garden, 1948
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

The continuing significance of chiral agrochemicals

Pest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source