Tratamento de sementes de algodão: germinação e crescimento inicial
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Data
2015
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Resumo
Maintain the seed physiological potential, initial stand and productivity of cotton
plants (Gossypium hirsutum L.) is not easy, for that, studies about agronomic effectiveness of
pesticides are necessary. That crop have a great economic importance and susceptibility at
phytopathogen too. This work aimed to determine the agronomic effectiveness of chemical
treatment applied on cotton seeds. Experiment was carried out at the Centro Universitário de
Patos de Minas (UNIPAM), at March and April of 2012. Cotton seeds were treated with
fungicides and insecticides, wich T1 is the control; T2: Thiophanate methyl + Pyraclostrobin
+ Fipronil; T3: Imidacloprid + clothianidin + Triadimenol + Pencicurom; T4: Abamectin +
thiamethoxam+ azoxystrobin. A randomized block design was used, with four treatments and
five replications. Emergency percentage at 5, 7 and 10 days after sowing (DAS) and plants
height at 16 and 23 days after emergence (DAE) were the variables evaluated. T2 and T4
obtained the greatest percentage of emergency, in the other hand, T1 and T3 showed the
lowest averages. Plant height evaluated at 16 DAE, the T4 also had the greatest average again;
however, to evaluations at 23 DAE no significant differences were detected.
Descrição
Palavras-chave
Fungicides, Insecticides, Gossypium hirsutum L., Fungicides, Insecticides, Gossypium hirsutum L.
Citação
SOUSA, Marília Caixeta; CASAROLI, Derblai; FAGAN, Evandro Binotto; SILVA, Janaína Oliveira da; FREITAS, Kellem Aparecida de. Tratamento de sementes de algodão: germinação e crescimento inicial. Revista Cultivando o Saber, v. 8, n. 3, p. 334-342, 2015.