Results 51 to 60 of about 167 (100)

Woody and Herbaceous Species Diversity Respond Differently to Environmental Variables in Semiarid Areas in Ghana

Ecology and Evolution, Volume 15, Issue 4, April 2025.
In the drylands of Ghana, the relative importance of various environmental drivers for plant species composition and diversity is still poorly understood and this affects the identification and implementation of appropriate management strategies.
Reginald T. Guuroh, Bertrand F. Nero, Fousseni Folega, Kwame A. Oduro, Fred Kalanzi, Gloria K. Adeyiga, Adu‐Gyamfi Asamoah, Mark Appiah, Miracle Obeng, E. Amponsah   +9 more
wiley   +1 more source

Morfologia de plântulas e estádios juvenis de espécies invasoras = Morphology and development of seedlings and saplings of weeds

Acta 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 ...
Juliana Marzinek, Káthia Socorro Mathias Mourão, Laércio Domingues   +2 more
doaj  

Update of the Xylella spp. host plant database – Systematic literature search up to 30 June 2024

EFSA Journal, Volume 23, Issue 2, February 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), Vincenzo Cavalieri, Elisa Fasanelli, Giandomenico Furnari, Davide Gibin, Alicia Gutierrez Linares, Pierfederico La Notte, Luca Pasinato, Giuseppe Stancanelli, Alice Delbianco   +9 more
wiley   +1 more source

Teores de macro e micronutrientes e a relação c/n de várias espécies de plantas daninhas Contents of macronutrients and micronutrients and CN relation of several weed species

Planta Daninha, 1999
O objetivo do presente trabalho foi determinar os teores de nutrientes (N, P, K, Ca, Mg, S, Cu, Zn, Fe e Mn) e a relação C/N, presentes na matéria seca da parte aérea das seguintes espécies de plantas daninhas: Ageratum conyzoides L., Amaranthus lividus ...
Luciano S. Souza, Edivaldo D. Velini, Rita C. S. Maimoni-Rodella, Dagoberto Martins   +3 more
doaj   +1 more source

Growth, Yield and Grain Quality of Cowpea (Vigna unguiculata (L.) Walp.) and Weed Flora as Affected by Physical and Chemical Methods of Weed Control

Legume Science, Volume 6, Issue 4, December 2024.
ABSTRACT This study sought to identify the most effective weed control methods for enhancing growth, yield and grain quality in cowpea and to reduce weed interference during the major and minor rainy seasons of 2022 at Juaso in the Asante Akim South Municipality, Ghana.
Asare Osei Dennis, Kwadwo Gyasi Santo, Abdul Aziz Khalid, Kwabena Atakora, Daniel Afreh Ntiamoah, Muntala Abdulai, Adjei Eric   +6 more
wiley   +1 more source

Eficácia de herbicidas no controle de plantas daninhas na cultura da cebola em semeadura direta Efficacy of herbicides on weed control in onion direct sowing

Planta Daninha, 1999
As plantas de cebola provenientes da semeadura direta no campo são mais danificadas pelo cultivo mecânico e são mais sensíveis aos herbicidas, principalmente os latifolicidas, do que quando transplantadas.
Lino R. Ferreira, Julio C. Durigan, Manuel G. C. Churata-Masca   +2 more
doaj   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023

EFSA Journal, Volume 22, Issue 7, July 2024.
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), Vincenzo Cavalieri, Elisa Fasanelli, Davide Gibin, Alicia Gutierrez Linares, Pierfederico La Notte, Luca Pasinato, Alice Delbianco   +7 more
wiley   +1 more source

SUPRESSÃO IMPOSTA PELO ATRAZINE A Digitaria horizontalis EM FUNÇÃO DO ESTÁDIO DE DESENVOLVIMENTO

Revista Caatinga, 2011
Atrazine is a herbicide applied to a number of important crops, but litle has been done to study the susceptibility of species like Digitaria horizontalis to such herbicide.
HUGO DE ALMEIDA DAN, LILIAN GOMES DE MORAES DAN, ALBERTO LEÃO DE LEMOS BARROSO, RUBEM SILVÉRIO DE OLIVEIRA JUNIOR, ANTONIO MENDES DE OLIVEIRA NETO   +4 more
doaj  

Plant density and variety effect on yield, leaf spot disease, weed species richness and diversity of groundnut production in northern Ghana

Weed Biology and Management, Volume 24, Issue 2, Page 71-87, June 2024.
Abstract Low plant density and weed infestation are major challenges for groundnut production in northern Ghana. A two‐year on‐farm study was conducted to determine the effect of plant density and variety on grain and fodder yields, incidence of leaf spot disease, weed species diversity and biomass.
Nurudeen Abdul Rahman, Asamoah Larbi, Paul Tanzubil, Fred Kizito, Irmgard Hoeschle‐Zeledon   +4 more
wiley   +1 more source

Eficiência e seletividade dos herbicidas trifloxysulfuron-sodium + ametryne e hexazinone + diuron em função da tecnologia de aplicação e do manejo mecânico da palha de cana-de-açúcar na linha de plantio Efficiency and selectivity of trifloxysulfuron sodium + ametryne and hexazinone + diuron herbicide as a result of application technology and mechanical management of sugarcane straw in the crop row

Planta Daninha, 2008
Com objetivo de otimizar a utilização de trifloxysulfuron-sodium + ametryne e hexazinone + diuron em função da adoção de diferentes pontas de pulverização e manejo mecânico da palha de cana-de-açúcar na linha de plantio, dois experimentos foram ...
C.D.G. Maciel, E.D. Velini, J. Constantin, C.E. Jardim, R.S. Bernardo, P.P.M. Fonseca, J.D. Barela, J.S. Oliveira   +7 more
doaj   +1 more source