2017
DOI: 10.1590/s0100-83582017350100036
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Selectivity of Metribuzin in Postemergence of Culture of Carrot

Abstract: -The initial slow growth and short stature of carrot can allow that weeds settle in crop areas, requiring the management of these plants for productivity not to decrease. Nevertheless, weeds control has been difficult because there are few herbicides available for weeds control in postemergence of carrots. Two experiments in the field were carried out to evaluate selectivity of metribuzin applied in postemergence of carrots. A experimental randomized block design was utilized with four repetitions. Treatments … Show more

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Cited by 3 publications
(3 citation statements)
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“…The same result occurred in Brazil, where metribuzin, sprayed on 3-leaf plants was selective to cv. Nantes, with doses up to 432 g ha -1 (Pessoa Carneiro et al, 2017). Significant effect was found of metribuzin doses on root length and the interaction time x dose on yield and amount of discard roots (Tables 5 and 6).…”
Section: Overall Meanmentioning
confidence: 98%
“…The same result occurred in Brazil, where metribuzin, sprayed on 3-leaf plants was selective to cv. Nantes, with doses up to 432 g ha -1 (Pessoa Carneiro et al, 2017). Significant effect was found of metribuzin doses on root length and the interaction time x dose on yield and amount of discard roots (Tables 5 and 6).…”
Section: Overall Meanmentioning
confidence: 98%
“…Este resultado evidencia que a dose de 432 g ha -1 de metribuzin não foi suficiente para reduzir a massa da parte aérea das plantas, demonstrando que a cultura é tolerante ao metribuzin para a dose avaliada. Carneiro et al (2017) evidenciaram que 432 g i.a. ha -1 do herbicida metribuzin foi a maior dose seletiva à cultura, sem afetar negativamente a produtividade de raízes.…”
unclassified
“…No entanto, no local C, a maior dose (90 kg ha -1 ) propiciou um aumento de aproximadamente 15% na produtividade comercial da cenoura em relação às duas menores doses. Estes resultados são diferentes dos encontrados por Carneiro et al (2017), que verificaram redução da produtividade total da cenoura na dose de 432 g ha -1 de metribuzin, comparado ao controle em cultivo no inverno. Silva et al (2017) relataram redução da produtividade comercial da cenoura, cultivar de inverno, com a aplicação de 288 g ha -1 de metribuzin.…”
unclassified