Data/hora: 08/06/2024 06:34:10

Biblioteca(s): | Embrapa Meio Ambiente.
Tipo da produção científica: | Resumo em Anais de Congresso
Data corrente: | 24/11/1993
Data da última atualização: | 10/11/2015
Autoria: | CERDEIRA, A. L.; FORSTER, R.
Afiliação: | ANTONIO LUIZ CERDEIRA, CNPMA; REINALDO FORSTER, CNPMA.
Título: | Persistence of picloran in Brazilian soil.
Ano de publicação: | 1992
Fonte/Imprenta: | In: INTERNATIONAL WEED CONTROL CONGRESS, 1., 1992, Melbourne. Proceedings. Melbourne: Monash University, 1992.
Volume: | v.2
Páginas: | p.117
Idioma: | Inglês
Conteúdo: | The persistence of the herbicide picloran (4-amino - 3,5,6 - trichloropicolinic acid) was studied in "Latossolo vermelho" soil (36% clay, 2% organic matter) in Jaguariuna county, Sao Paulo, Brazil. The herbicide was sprayed on plowed soil in March, 1989, at rates of 0.0; 0.56 and 1.12 g/ha. Picloran persistence was evaluated using bioassay with bean (Phaseolus vulagris L.). The data showed that the herbicide was very persistent up to 180 days, just at the raining season, October to December. At the same interval, from 180 to 240 days, typical visual symptoms disappeared, although there were still effects on height of plants, length of leaves and dry weight. No effect of the herbicide was detected after 300 days.
Palavras-Chave: | Herbicide; Persistence.
Thesaurus Nal: | beans; chemical control; picloram; soil; weeds.
Categoria do assunto: | P Recursos Naturais, Ciências Ambientais e da Terra
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/87002/1/1992RAs-003.pdf
Registro original: | Embrapa Meio Ambiente (CNPMA)
Exemplares: | CNPMA - (1647-1) - UPC - RA - DD -  -  -  - DIS