Results 21 to 30 of about 661 (117)
A utilização de sistemas para manejo integrado de plantas daninhas depende da habilidade em se prever o impacto da infestação de plantas daninhas no potencial de rendimento de grãos da cultura.
N.G. Fleck +3 more
doaj +1 more source
A adoção do conceito de nível de dano econômico (NDE) no manejo de plantas daninhas avalia suas populações de modo que medidas de controle sejam implementadas somente quando as infestações superarem os NDEs.
M.A. Rizzardi +2 more
doaj +1 more source
Dois experimentos foram conduzidos na Embrapa Soja, Londrina-PR, com o objetivo de avaliar os efeitos de diferentes períodos de interferência de plantas daninhas sobre o rendimento de óleo e a produtividade da cultura do girassol.
A.M. Brighenti +5 more
doaj +1 more source
A presença de biótipos de Bidens pilosa e B. subalternans resistentes aos herbicidas inibidores da ALS nas lavouras de soja tem sido constatada em diversos locais do país. Este trabalho teve por objetivo desenvolver uma metodologia prática de detecção de
S.J.P. Carvalho +4 more
doaj +1 more source
Weeds can bring benefits to agriculture, but when incorrectly managed they can compete with commercial crops for resources. The objective of this work was to evaluate the effect that cover crops, associated with Coffea canephora cv.
José Antonio Azevedo Espindola +3 more
doaj +1 more source
Water Stress Affect Germination, Seed Vigor and Seedlings Growth of Bidens subalternans
The beggartick (Bidens subalternans L.) is one of the main weeds present in agricultural crops, capable of adapting to different environmental conditions. The water stress caused by water deficiency can affect the germination of weed seeds and, consequently, their capacity to colonize the agroecosystem.
Erivanessa C. Sousa +8 more
openaire +1 more source
Ecosystem engineers modulate exotic invasions in riparian plant communities by modifying hydrogeomorphic connectivity [PDF]
Patterns of native and exotic plant species richness and cover were examined in relation with ecosystem engineer effects of pioneer vegetation within the Mediterranean gravel bed river Tech, South France.
Aguiar +56 more
core +4 more sources
New records of interesting xenophytes in the Iberian Peninsula [PDF]
New records of interesting xenophytes in the Iberian Peninsula. Botanical inventories in various parts of Spain mainly between 2005 and 2007 yielded numerous chorological novelties.Cyperus prolifer is probably reported for the first time in Europe ...
Sánchez Gullón, Enrique +1 more
core +2 more sources
Phytoplasmas diversity and identification of new aster yellows subgroup (16SrI) associated with weed species in Argentina [PDF]
Symptoms of phytoplasma infection were observed in different weed species, Bidens subalternans, Conyza bonariensis, Heterosperma ovatifolium and Conium maculatum, collected from diverse geographical regions in Argentina.
Conci, Luis Rogelio +2 more
core +2 more sources
Invasive alien plants of Croatia [PDF]
Invazivne biljke su strane biljke koje su dospjele na neko novo stanište i tamo trajno opstaju zbog izrazite sposobnosti razmnožavanja te potencijala širenja na velika područja. Pri tom negativno utječu na biološku raznolikost, na zdravlje ljudi i sl.
Justić, Marta
core +2 more sources

