2013
DOI: 10.1590/s0100-83582013000300004
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Habilidade competitiva de cultivares de trigo com plantas daninhas

Abstract: A habilidade competitiva constitui-se em importante ferramenta para o manejo integrado de plantas daninhas. Objetivou-se com este trabalho avaliar o potencial de cultivares de trigo em competir com as plantas daninhas azevém e nabo, em diferentes períodos de convivência. O delineamento experimental foi o de blocos ao acaso, arranjado em esquema fatorial 4 x 2 x 3, com três repetições. No fator A alocaram-se os cultivares de trigo (BRS Guamirim - ciclo precoce e estatura baixa; Fundacep Cristalino - ciclo preco… Show more

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Cited by 52 publications
(59 citation statements)
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“…The productivity variation by the plants population is associated with the genotype potential to produce fertile tillers as the sowing density directly influences the number of ears and/or panicles produced by area (Valério et al, 2009;Castro et al, 2012). Moreover, the fast coverage of the soil by the canopy adjustment may favor the best use of light and nutrients, providing more effective control inthe evolution of the species considered invaders Lamego et al, 2013). The high variation of productivity is also associated with the large variability of cultivation conditions, the agricultural year being the major contribution factor (Storck et al, 2014;Arenhardt et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…The productivity variation by the plants population is associated with the genotype potential to produce fertile tillers as the sowing density directly influences the number of ears and/or panicles produced by area (Valério et al, 2009;Castro et al, 2012). Moreover, the fast coverage of the soil by the canopy adjustment may favor the best use of light and nutrients, providing more effective control inthe evolution of the species considered invaders Lamego et al, 2013). The high variation of productivity is also associated with the large variability of cultivation conditions, the agricultural year being the major contribution factor (Storck et al, 2014;Arenhardt et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…doi: 10.1590/S0100-83582016340200010 Weed interference affects wheat productivity, generating an increase in production costs, given the need to adopt control measures. Several weed species cause economic losses for wheat crops; however, in Southern Brazil, ryegrass (Lolium multiflorum) and turnip (Raphanus raphanistrum) are the most important ones (Lamego et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Among the weeds that infest canola, turnip (Raphanus sativus and R. raphanistrum) and ryegrass (Lolium multiflorum) stand out; they are highly competitive for water resources, light, CO 2 and nutrients, and, in many cases, are resistant to herbicides inhibitors of ALS (acetolactate synthase enzyme (also known as acetohydroxy acid synthase, or AHAS), ACCase (Acetyl-CoA carboxylase (ACC)) and EPSPs (5-enolpyruvylshikimate-3-phosphate). This fact has become more serious in recent years due to their use as ground cover plants (Lamego et al, 2013) and in the production of grains/seeds and/or pasture for feed.…”
Section: Introductionmentioning
confidence: 99%