Picloram in lysimeter runoff and percolation water

Glass, Bobby L.; Edwards, William M.

doi:10.1007/bf01684588

Cited by 11 publications

(5 citation statements)

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“…Picloram efficacy in our studies was lower than reported in other studies where mugwort was controlled by at least 95% (Bradley, 2000;Bradley and Hagood, 2002). Many factors can impact picloram efficacy, including precipitation, soil composition, and plant maturity (Bovey et al, 1968(Bovey et al, , 1978Gaynor and Volk, 1976;Glass, 1974;Klingaman and Ashton, 1982;Ross and Lembi, 1985). Picloram efficacy No study by treatment interactions occurred for any mugwort data; therefore, these data were pooled over studies.…”

Section: Resultscontrasting

confidence: 66%

Mugwort Control in an Abandoned Nursery Using Herbicides That Mimic Indole-3-Acetic Acid

Koepke-Hill

Armel

Klingeman

et al. 2011

hortte

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Field and greenhouse studies were conducted to determine if two indole-3-acetic acid herbicide mimics, aminopyralid and aminocyclopyrachlor-methyl, applied at 70, 140, and 280 g·ha−1 postemergence (POST) would control mugwort (Artemisia vulgaris) in an abandoned nursery. These were compared with the commercial standards picloram at 280 g·ha−1 a.i. and clopyralid at 280 g·ha−1. In the field study, picloram and clopyralid controlled mugwort 75% and 31% by 365 days after treatment (DAT), respectively. In contrast, aminopyralid and aminocyclopyrachlor-methyl applied at 140 g·ha−1 controlled mugwort over 90% by 365 DAT. In the greenhouse study, aminopyralid and aminocyclopyrachlor-methyl applied at 140 g·ha−1 controlled mugwort 92% and 96% respectively, although aminopyralid at 70 g·ha−1 provided better visual control (94%) in comparison with aminocyclopyrachlor-methyl (79%) at 70 g·ha−1. Regardless, following shoot growth removal at 30 DAT, mugwort failed to regrow by 60 DAT following exposures to all rates of both herbicides. On the basis of these studies, aminopyralid and aminocyclopyrachlor-methyl have potential to provide excellent control of mugwort compared with the current standards clopyralid and picloram.

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Section: Resultscontrasting

confidence: 66%

Mugwort Control in an Abandoned Nursery Using Herbicides That Mimic Indole-3-Acetic Acid

Koepke-Hill

Armel

Klingeman

et al. 2011

hortte

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“…The concentrations of dicamba found in runoff and percolation water samples from Lysimeter Y101C are shown in Table I. These results are compared with the concentrations of picloram (Glass and Edwards, 1974) and 2,4,5-T (Edwards and Glass, 1971) measured earlier in water samples from Lysimeter Y101C. Picloram at 2.2 kg/ha and 2,4,5-T at 11.2 kg/ha were applied to the lysimeter on March 25, 1970, andMarch 30, 1967, respec-tively.…”

Section: Results and Dicussionmentioning

confidence: 99%

“…Recoveries of dicamba from soils fortified at 2 ppm were between 85 and 90%. The minimum level of March 25, 1970 (Glass andEdwards, 1974); 2,4,5-T, March 30, 1967 (Edwards andGlass, 1971). c n.d, not determined.…”

Section: Methodsmentioning

confidence: 99%

Dicamba in lysimeter runoff and percolation water

Glass¹,

Edwards²

1979

J. Agric. Food Chem.

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“…Devido à sua elevada mobilidade, o picloram pode resultar na contaminação de águas subterrâneas (Glass & Edwards, 1974;Bovey et al, 1975;Lavy et al, 1996). Em simulação promovida por Pang et al (2000), ní-veis significativos desse herbicida foram recuperados em lençóis freáticos a 22 e 53 m de profundidade.…”

Section: Introductionunclassified

Influência do oeríodo de cultivo de Panicum maximum (cultivar Tanzânia) na fitorremediação de solo contaminado com picloram

et al. 2008

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RESUMO -O objetivo deste trabalho foi avaliar a influência do tempo de cultivo de Panicum maximum (cultivar Tanzânia) sobre a fitorremediação de solo contaminado com picloram. O experimento foi conduzido em casa de vegetação no período de setembro de 2006 a fevereiro de 2007. Os fatores foram compostos pela combinação entre quatro períodos de cultivo da espécie vegetal Panicum maximum (cultivar Tanzânia) (0, 60, 80 e 100 dias) e três doses do picloram (0, 80 e 160 g ha -1 ), totalizando 12 tratamentos. O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial 4 x 3, com quatro repetições. Como substrato utilizaram-se amostras de solo classificado como Latossolo Vermelho eutroférrico. Após o tempo estabelecido de atuação da espécie fitorremediadora, efetuouse a semeadura das espécies bioindicadoras da presença do picloram: tomate e soja. As espécies bioindicadoras demonstraram alta sensibilidade à presença do picloram no solo, sendo inviável o cultivo dessas culturas em áreas contaminadas com esse herbicida sem a execução de algum procedimento remediador. O cultivo prévio de Tanzânia por 60 dias garantiu crescimento inicial satisfatório das plantas de soja e tomate quando a contaminação inicial não foi maior que 80 g ha -1 de picloram. Acima desse valor, a fitorremediação ocorrida proporcionou menor crescimento das plantas de soja e tomate, sendo necessário maior tempo de descontaminação.Palavras-chave: residual de herbicidas, mimetizadores de auxinas, soja, tomate, descontaminação do solo, sucessão de culturas.ABSTRACT -The objective of this study was to evaluate the influence of cultivation time of Panicum maximum (cv. Tanzania) on phyto-remediation of soil contaminated with picloram. The experiment was carried out under greenhouse conditions from September 2006 to February 2007, using euthroferric Red Latosol samples as substrate for plant growth. The experiment was arranged in a completely randomized design, with four replicates, with treatments in a 4 x 3 factorial scheme. The treatments comprised twelve combinations of four periods of soil cultivation with the species Panicum maximum (cv. Tanzania) (0, 60, 80 and 100 days) and three doses of picloram (0, 80 and 160 g ha). At the end of each pre-established time of soil cultivation with the phyto-remediating species, seeds of tomato and soybean plants, used as bio-indicators of picloram presence, were sown on soil. The bio-indicators showed high sensitivity to picloram in soil, as their cultivation was not feasible without a prior phyto-remediation procedure. The previous cultivation of Tanzania

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Picloram in lysimeter runoff and percolation water

Cited by 11 publications

References 5 publications

Mugwort Control in an Abandoned Nursery Using Herbicides That Mimic Indole-3-Acetic Acid

Mugwort Control in an Abandoned Nursery Using Herbicides That Mimic Indole-3-Acetic Acid

Dicamba in lysimeter runoff and percolation water

Influência do oeríodo de cultivo de Panicum maximum (cultivar Tanzânia) na fitorremediação de solo contaminado com picloram

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