2018
DOI: 10.1590/s0100-83582018360100118
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Abstract: Diuron is a widely used herbicide on pineapple cultivations. However, its application is recommended only for the implementation of the crop. The objective of this work was to evaluate the gas exchanges of four pineapple cultivars submitted to the application of the herbicide diuron at their reproductive stage. The experiment was conducted with the IAC Fantástico, Vitória, MD2 and Pérola pineapple cultivars using the active ingredient diuron at a dose of 7.5 mL L-1. Measurements of CO2 assimilation rate, stoma… Show more

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Cited by 3 publications
(6 citation statements)
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“…Maia et al (2012) evaluating the effects of manual weeding and application of the herbicides Diuron, Fluazifop-pbutyl and Atrazine + S-metolachlor in 'Pérola' pineapple crops, verified that these chemical agents do not affect the flowering time, yield and fruit quality , however, observed symptoms of phytotoxicity in plants submitted to the application of a mixture of Atrazine + S-metolachlor, indicating that these products are efficient, can be used throughout the cultivation cycle, but requires caution during applications. Carvalho et al (2018), studying the effects of Diuron at a dose of 7.5 mL L -1 on cultivars IAC Fantástico, Vitória, MD2 and Pérola also verified phytotoxicity status after application of Diuron, with temporary negative responses in CO2 assimilation, conductance stomatic, and efficiency in water use, and that the physiological responses were only fully recovered by the pineapple IAC Fantástico. evaluating the efficiency of Diuron, Glyphosate, Diuron + Glyphosate and the mixture of Atrazine + Simazine in relation to manual weeding, found that Glyphosate, an unregistered product for pineapple, should be avoided, as it reduces natural flowering, the average weight of the fruits and the total productivity.…”
Section: Weeds Controlmentioning
confidence: 66%
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“…Maia et al (2012) evaluating the effects of manual weeding and application of the herbicides Diuron, Fluazifop-pbutyl and Atrazine + S-metolachlor in 'Pérola' pineapple crops, verified that these chemical agents do not affect the flowering time, yield and fruit quality , however, observed symptoms of phytotoxicity in plants submitted to the application of a mixture of Atrazine + S-metolachlor, indicating that these products are efficient, can be used throughout the cultivation cycle, but requires caution during applications. Carvalho et al (2018), studying the effects of Diuron at a dose of 7.5 mL L -1 on cultivars IAC Fantástico, Vitória, MD2 and Pérola also verified phytotoxicity status after application of Diuron, with temporary negative responses in CO2 assimilation, conductance stomatic, and efficiency in water use, and that the physiological responses were only fully recovered by the pineapple IAC Fantástico. evaluating the efficiency of Diuron, Glyphosate, Diuron + Glyphosate and the mixture of Atrazine + Simazine in relation to manual weeding, found that Glyphosate, an unregistered product for pineapple, should be avoided, as it reduces natural flowering, the average weight of the fruits and the total productivity.…”
Section: Weeds Controlmentioning
confidence: 66%
“…The post-emergent ones only reach emerged plants, not affecting the soil seed bank . However, the use of these chemical agents requires some care, since the contact of the product applied with pineapple plants is inevitable, especially at high planting densities, which can cause phytotoxicity to the crop and compromise productivity (Carvalho et al, 2018).…”
Section: Weeds Controlmentioning
confidence: 99%
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“…O abacaxizeiro é uma planta de crescimento lento e sistema radicular superficial, por isso é muito vulnerável à interferência de plantas daninhas, que concorrem por água, luz e nutrientes, além de servirem de hospedeiro para insetos pragas, fungos, nematoides e vírus (MAIA et al, 2018;VALVERDE;CHAVES, 2020). A cultura tem um ciclo longo, entre 12 e 24 meses, e a competição pode ocorrer em todos os estádios de desenvolvimento, afetando negativamente o desenvolvimento vegetativo e reprodutivo da planta (CARVALHO et al, 2018;SELHORST et al, 2017).…”
Section: Introductionunclassified