1997
DOI: 10.1017/s0890037x00042998
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Response of BAR-Transformed Rice (Oryza sativa) and Red Rice (Oryza sativa) to Glufosinate Application Timing

Abstract: Glufosinate at 2.2 kg ai/ha injured rice transformed with the BAR gene more when applied to one- to two-leaf (23 to 26%) than to three- to four-leaf (13 to 19%) plants. Visible injury was least when applications were made at boot stage (3 to 14%). However, applications at boot stage caused an average grain yield reduction of 16%. Most treatments did not influence rice plant height. Among single applications (0.3, 0.4, 0.6, 0.8, and 1.1 kg/ha), 1.1 kg/ha glufosinate at three- to four-leaf stage of red rice resu… Show more

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Cited by 26 publications
(14 citation statements)
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“…Non-selective herbicides such as glufosinate or glyphosate provide broad spectrum weed control and could help in controlling weeds that have developed resistance to the traditional rice herbicides due to their alternative mode of action. Researchers have reported excellent control (90% or greater) of 3-4 leaf red rice from sequential glufosinate rates as low as 0.27 lb AI/A compared to a single application of 1 lb AI/A [21]. In comparison, preplant incorporated molinate at 3 to 4 lb AI/A provided red rice control ranging from 56 to 70% only [17].…”
Section: Weed Controlmentioning
confidence: 99%
“…Non-selective herbicides such as glufosinate or glyphosate provide broad spectrum weed control and could help in controlling weeds that have developed resistance to the traditional rice herbicides due to their alternative mode of action. Researchers have reported excellent control (90% or greater) of 3-4 leaf red rice from sequential glufosinate rates as low as 0.27 lb AI/A compared to a single application of 1 lb AI/A [21]. In comparison, preplant incorporated molinate at 3 to 4 lb AI/A provided red rice control ranging from 56 to 70% only [17].…”
Section: Weed Controlmentioning
confidence: 99%
“…Entre as culturas comerciais nas quais a resistência ao herbicida amônio-glufosinate foi inserida estão a soja e o milho (Ritter & Menbere, 2001), bem como o arroz, pois o uso dessa tecnologia pelos orizicultores permitiria o controle seletivo do arroz-vermelho em áreas plantadas com cultivares resistentes (Linscombe & Jodari, 1996;Sankula et al, 1997Sankula et al, , 1998Pinto et al, 2000;Andres et al, 2000), apesar de Noldin et al (1999b) terem identificado elevado grau de tolerância ao herbicida amônio-glufosinate em um ecótipo de arroz-preto oriundo de lavouras do Texas, Estados Unidos.…”
Section: Introductionunclassified
“…No entanto, existem áreas em que é inviável a adoção do pré-germinado, e novas alternativas precisam ser identificadas para o manejo do arroz daninho. Na década de 90, com o desenvolvimento da engenharia genética, surgiu a possibilidade do uso de cultivares de arroz GM ou arroz transgênico transformados para resistência a herbicidas não-seletivos, como o glufosinato de amônio fosfinato], permitindo assim o controle seletivo do arroz daninho em áreas plantadas com os cultivares resistentes ao herbicida (Linscombe & Jodari, 1996;Sankula et al, 1997;Ferreira et al, 2001). Ferreira et al (2001) relataram que glufosinato na dose de 600 g i.a.…”
Section: Introductionunclassified