Results 61 to 70 of about 6,995 (173)

STUDY OF THE EARLY ROOT DEVELOPMENT OF IMPORTANT ARABLE GRASS WEEDS IN MAIZE I. LARGE CRABGRASS (DIGITARIA SANGUINALIS (L.) SCOP) [PDF]

Journal of Central European Agriculture, 2002
We have studied the primary root development of the one of the most important grass weeds - large crabgrass (Digitaria sanguinalis (L.) Scop). The primary, secondary and tertiary root development was studied in laboratory (thermostat), and in pots in ...
Z MIKE, K HUNYADI
doaj  

Caracterización de Typhlocybella maidica (Hemiptera: Cicadellidae) y descripción del daño producido en plantas de maíz y gramíneas asociadas en la Argentina Characterization of Typhlocybella maidica (Hemiptera: Cicadellidae) and description of the damage caused in maize plants and associated gramineous in Argentina

Revista de la Sociedad Entomológica Argentina, 2010
Los muestreos realizados en el área maicera centro de la Argentina durante las campañas 2006-2008, con el fin de identificar la composición específica de auquenorrincos presentes permitieron detectar altas densidades de "chicharritas", pertenecientes a ...
María E. Brentassi, María I. Catalano, Susana Paradell, Ana M. Marino de Remes L   +3 more
doaj  

Novel Trifluoromethylcoumarinyl Urea Derivatives: Synthesis, Characterization, Fluorescence, and Bioactivity

Molecules, 2018
A series of novel trifluoromethylcoumarinyl urea derivatives were designed, synthesized, and characterized by 1H-NMR, 13C-NMR, and HR-ESI-MS. The fluorescence spectra of the target compounds were recorded.
Lili Qiao, Shuanghong Hao
doaj   +1 more source

Influence of salinity and temperature on seed germination rate and the hydrotime model parameters for the halophyte, Chloris virgata, and the glycophyte, Digitaria sanguinalis

, 2012
Effects of salinity, temperature and their interactions on final percentage and the rate of germination were evaluated for two grasses, the halophytic Chloris virgata and the glycophyte, Digitaria sanguinalis .
Hongxiang Zhang, Louis J Irving, Y. Tian, D. Zhou   +3 more
semanticscholar   +1 more source

Soil Texture and Planting Depth Affect Large Crabgrass (Digitaria sanguinalis), Virginia buttonweed (Diodia virginiana), and Cock’s-comb Kyllinga (Kyllinga squamulata) Emergence

, 2013
Greenhouse studies were conducted to explore soil texture and planting depth effects on emergence of large crabgrass, Virginia buttonweed, and cock's-comb kyllinga.
J. Hoyle, J. S. McElroy, E. Guertal
semanticscholar   +1 more source

Controle de plantas daninhas em cana-de-açúcar (Saccharum officinarum) com hexazinone e suas misturas com diuron, em pré-emergência Weed control in sugar cane with hexazinone and its mixtures with diuron in pre-emergence

Planta Daninha, 1979
Foi realizado no ano agrícola 1976/77 um experimento em solo arenoso na Usina Utinga/LeãoAL, no qual foram testados em pré-emergência os tratamentos: hexazinone em 4 doses; hexazinone + diuron em 3 doses; diurom + 2,4 D amina e ametrina + 2,4 D amina ...
A.A. Clement, J. S. Lammel, J. A. Filho, J.C. Barbosa   +3 more
doaj  

Competição entre quatro herbicidas indicados para o controle de plantas daninhas em cana-de-açucar (Saccharum sp) Competition on four herbicides for controling weeds in sugarcane (Saccharum sp)

Planta Daninha, 1978
Com a finalidade de estudar a ação dos herbicidas oxadiazon, napropamide, methazole e A-3587 na cultura de cana -de-açúcar (Saccharum sp), foram conduzidos em 1971/72 dois ensaios de campo nos municípios paulistas de Capivari e Leme.
L.S.P. Cruz, L. Leiderman
doaj  

Flora arvense asociada a un agroecosistema tipo conuco en la comunidad de Santa Rosa de Ceiba Mocha en el estado Guárico

Bioagro, 2014
Con la finalidad de contribuir al conocimiento integral de la vegetación asociada a los sistemas de producción, se realizó un estudio de la diversidad de arvenses dentro de un agroecosistema tipo conuco en la comunidad de Santa Rosa de Ceiba Mocha, del ...
Arnaldo Gámez, María De Gouveia, Winston Álvarez, Henry Pérez   +3 more
doaj  

Aplicação de misturas de diuron com MSMA, e com paraquat, no controle de plantas daninhas de folhas largas em cultura de algodão (Gossypium hirsutum L.) Mixture of diuron whit MSMA and with paraquat for broadleaved weeds control in cotton

Planta Daninha, 1978
Em ensaio de campo conduzido em 1975/76 procurou-se avaliar a ação de misturas de MSMA com diuron e de paraquat com diuron, aplicadas em pós-emergência, em jato dirigido, em duas épocas diferentes, no controle de algumas plantas daninhas de folhas largas
L. S. P. Cruz, L. Leiderman
doaj  

Functional plant strategies mediate post-fire ash–precipitation effects on soil–vegetation feedbacks in a dry-valley forest ecosystem: implications for restoration

Trees, Forests and People
Wildfire fundamentally alters forest soil properties and vegetation dynamics through changes in ash deposition and post-fire precipitation, yet the coupled mechanisms governing soil–plant feedbacks remain unclear.
Honghu Wang, Huanhuan Qi, Panpan Wang, Jun Luo, Fachao Qin, Bin Zhang   +5 more
doaj   +1 more source