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Chemical control of different Digitaria insularis populations and management of a glyphosate-resistant population
Provedor de dados: 87
Autores: CORREIA,N.M.; ACRA,L.T.; BALIEIRO,G.
This study aimed to control different populations of Digitaria insularisby glyphosate herbicide, isolated and mixed, besides the combination of methods (chemical and mechanical) to manage resistant adult plants. Three experiments were conducted, one in pots which were maintained under non-controlled conditions and two under field conditions. In the experiment in pots, twelve populations of D. insularis were sprayed with isolated glyphosate (1.44 and 2.16 kg a.e. ha-1) and mixed (1.44 and 2.16 kg a.e. ha-1) with quizalofop-p tefuryl (0.12 kg i.a. ha-1). The treatment of 1.44 kg a.e. ha-1 of glyphosate plus 0.12 kg a.i. ha-1 of quizalofop was sufficient for adequate control (&gt;95%) of all populations. Population 11 (area of grain production in Itumbiara,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Desiccation; Glyphosate; Tolerance; Genetic variability.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000100093