Data/hora: 09/06/2024 15:31:46

Biblioteca(s): | Embrapa Cerrados.
Data corrente: | 17/08/2007
Data da última atualização: | 18/08/2007
Autoria: | OLIVEIRA-FILHO, E. C.; CARVALHO, R. R. de; PAUMGARTTEN, F. J. R.
Título: | The influence of environmental factors on the molluscicidal activity of Euphorbia milii latex.
Ano de publicação: | 1999
Fonte/Imprenta: | Journal of Environmental Health, New York, v. 34, n. 2, p. 289-303, 1999
Idioma: | Português
Conteúdo: | The presente study was undertaken to investigate the influence of biotic (snail size and present the test) and abiotic factors (temperature, water hardness and concentration of organic materials) on the molluscicidal activity of Euphorbia milii latex. Bioassays were conducted with B. glabrata (10 snails per concentration) and snail lethality was evaluated after 24 hr and 48 hr of exposure to lyophilized latex solutions. Neither the degree of water hardness, nor the presence of food during the test affected latex-induced snail mortality. The snail size had a minor influence on E. milii-induced snail lethality. Newly-hatched (shell diameter <= 1 mm) as well as young (3-8 mm) snails were slightly less susceptible than older (10-25 mm) mollusks. On the other hand, the molluscicidal effect of E. milii latex was modified by environmental factors such as temperature) and concentration of organic matter, the higher the LC50 value). The efficacy of E. milii latex as a molluscicide can be modified by factors such as water temperature and concentration of organic materials, and to a lesser extent by snail size.
Thesagro: | Molusco; Toxicologia.
Categoria do assunto: | --
Registro original: | Embrapa Cerrados (CPAC)
Exemplares: | CPAC - (27949-1) - UPC - SP - -- - CRI5736 -  - CRI5736 - DIS