Results 21 to 30 of about 291,271 (157)

Variação da competição interespecífica em milho em função do controle de plantas daninhas em faixas Variation of interspecific weed competition in corn as a function of banded weed control

open access: yesPlanta Daninha, 2001
O controle de plantas daninhas em faixas é mais uma estratégia que pode ser utilizada no manejo integrado de plantas daninhas (MIPD) para aumentar a racionalização do uso do ambiente no cultivo de plantas.
A. Merotto Jr., R.A. Vidal, N.G. Fleck
doaj   +1 more source

بررسی وضعیت همزیستی میکوریزایی چند گیاه غالب در بیابان‌های استان سمنان [PDF]

open access: yesرستنی‌ها, 2012
چهل و یک نمونه از خاک و ریشه اطراف برخی گیاهان غالب مناطق کویری استان سمنان جمع‌آوری و بررسی شد. در 24% از گونه‌های بررسی شده هیچ اثری از همزیستی میکوریزایی دیده نشد ولی در 76% درصد از آن‌ها آثار همزیستی میکوریزایی، چه به شکل حضور اندامک‌های قارچی در ...
سیما زنگنه
doaj   +1 more source

Suscetibilidade de Ipomoea quamoclit, I. triloba e Merremia cissoides aos herbicidas Sulfentrazone e amicarbazone Susceptibility of Ipomoea quamoclit, I. triloba and Merremia cissoides to the Herbicides Sulfentrazone and Amicarbazone

open access: yesPlanta Daninha, 2009
A suscetibilidade diferencial de espécies de plantas daninhas a herbicidas é uma importante variável que deve ser considerada na escolha do herbicida e dose a serem aplicados.
L.H.F. Campos   +4 more
doaj   +1 more source

Chemical Management of Broadleaf Buttonweed and Brazilian Pusley in Different Application Methods [PDF]

open access: yesPlanta Daninha
: Increased use of glyphosate in transgenic soybean areas has selected resistant and tolerant weed species. The aim of this study was to evaluate chemical management strategies for controlling Borreria latifolia and Richardia brasiliensis at pre ...
M. GALLON   +5 more
doaj   +2 more sources

Emergence of the primordial pre-60S from the 90S pre-ribosome

open access: yesCell Reports, 2022
Summary: Synthesis of ribosomes begins in the nucleolus with formation of the 90S pre-ribosome, during which the pre-40S and pre-60S pathways diverge by pre-rRNA cleavage.
Sherif Ismail   +6 more
doaj   +1 more source

Enhancing the weed control efficacy of two pre-emergence herbicides in maize/jack bean and maize/groundnut intercrops in derived savanna [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2021
The inability of pre-emergence herbicides alone to give season-long weed control in maize production justifies the need for supplementary weed control. Field trials were conducted to evaluate intercropped groundnut and jack bean for enhanced weed control
Eni Enor   +3 more
doaj   +1 more source

Toxicidade do herbicida S-metolachlor em plantas de milho provenientes de sementes com diferentes formatos e dimensões S-metholachlor toxicity in maize plants originated from seeds with different sizes and shapes

open access: yesPlanta Daninha, 2006
Este trabalho teve como objetivo avaliar a toxicidade do herbicida S-metolachlor em plantas de milho oriundas de sementes com diferentes características morfológicas.
M.D.A. Rosenthal   +11 more
doaj   +1 more source

Atividade residual de herbicidas aplicados ao solo em relação ao controle de quatro espécies de Amaranthus Residual activity of herbicides applied to the soil in relation to control of four Amaranthus Species

open access: yesPlanta Daninha, 2010
Herbicidas aplicados em pré-emergência normalmente apresentam atividade residual no solo, controlando os primeiros fluxos germinativos das plantas daninhas e prevenindo a matocompetição inicial.
M.A. Raimondi   +8 more
doaj   +1 more source

Thiencarbazone-methyl (TCM) and Cyprosulfamide (CSA) – a new herbicide and a new safener for use in corn

open access: yesJulius-Kühn-Archiv, 2012
Thiencarbazone-methyl is a new herbicide for the selective control of grasses and broadleaf weeds primarily in corn. The active ingredient belongs to the chemical class of sulfonly-amino-carbonyl-triazolinones (SACT) and acts as an inhibitor of the ALS ...
Santel, Hans-Joachim
doaj   +1 more source

The Intelligent Pre-emergency Driving Onboard System

open access: yesIFAC-PapersOnLine, 2016
Abstract The paper offers the techniques for developing a driver’s decision-making support system embedded in vehicle’s onboard computer. The system is intended for maintaining vehicle’s normal operating parameters. During the motion the system models driver’s intellectual activity on the on-line assessment of vehicle’s operating conditions and the ...
Nataliya N. Bakhtadze   +3 more
openaire   +1 more source

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