2014
DOI: 10.1590/1678-4499.0119
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Interferência de plantas daninhas na cultura do sorgo sacarino

Abstract: Este trabalho teve como objetivo o estudo fitossociológico da comunidade infestante ao longo do ciclo de desenvolvimento do sorgo sacarino e a determinação do período crítico de prevenção à interferência das plantas daninhas na cultura. O delineamento experimental foi de blocos ao acaso com três repetições. Os tratamentos foram constituídos por períodos crescentes de controle ou convivência das plantas daninhas em diferentes estádios fenológicos da cultura: 0-3 (V3), 0-5 (V5), 0-7 (V7), 0-9 (V9), 0-11(V11) fol… Show more

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Cited by 21 publications
(26 citation statements)
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“…This result was already expected since the saccharine varieties were selected for high stem production (Lourenço et al, 2007;Santos et al, 2015). There was no difference in the stem ratio among varieties; however, the high proportion of this fraction affected the results of chemical composition.…”
Section: Resultssupporting
confidence: 64%
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“…This result was already expected since the saccharine varieties were selected for high stem production (Lourenço et al, 2007;Santos et al, 2015). There was no difference in the stem ratio among varieties; however, the high proportion of this fraction affected the results of chemical composition.…”
Section: Resultssupporting
confidence: 64%
“…Saccharine sorghum varieties, distinguished by increased stem yield and high content of soluble carbohydrates, were developed to be used as raw material for ethanol production in the off-season of sugarcane (Silva et al, 2014a). The BRS 506 variety Pesq.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The periods considered in the evaluation of weed interference to crops are: the period before interference (PBI), total period of interference prevention (TPIP) and critical period of interference prevention (CPIP) (Silva et al, 2014). At the beginning of the cycle, the culture can coexist with weeds for a certain period of time without the occurrence of yield loss, and this phase is called the period before interference (PBI), wherein the environment is capable of providing growth resources necessary for the culture and the weeds (Smitchger et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…According to Meschede et al (2004), PBI is the period of greatest importance in the crop cycle, as it is from where yield loss begins. According to Silva et al (2014), TPIP is the period from the emergence, in which the crop is expected to grow free from the presence of weeds so that productivity is not changed. After that time, weeds that are present will not compete so that they reduce crop yield because it already has the capacity to suppress competing plants.…”
Section: Introductionmentioning
confidence: 99%