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| Registros recuperados: 43 | |
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| Ofuya,T.I; Olotuah,O.F; Ogunsola,O.J. |
| Fumigant toxicity of crushed fresh bulbs of Allium sativum L. and A. cepa L. to the Callosobruchus maculatus (Fabricius), a major pest of stored cowpea (Vigna unguiculata (L.) Walp.) seeds was assessed under laboratory conditions in Akure, Nigeria. In the tests, 20 g of infested cowpea seeds were suspended in a piece of muslin cloth, over an amount of crushed bulb in a container with a tightly fitted lid. Adult emergence was completely prevented from freshly laid eggs of C. maculatus on cowpea seeds that was fumigated with 6.0 g or more of crushed bulbs of A. sativum. Such fumigated seeds were not holed at all. Other amounts of A. sativum tested (1.0, 2.0, 3.0, 4.0 and 5.0 g) significantly reduced C. maculatus adult emergence from fumigated eggs and seed... |
| Tipo: Journal article |
Palavras-chave: Infestation; Seed holing; Pesticide; Volatiles; Essential oils. |
| Ano: 2010 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392010000300019 |
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| Lima,José Maria de; Aquino,Regimeire Freitas; Magalhães,Ciro Augusto de Souza; Gonçalves,Raissa Homem; Nóbrega,Júlio Cesar Azevedo; Mello,Carlos Rogério. |
| ABSTRACT Atrazine still is a widely used herbicide in tropical soils to control annual broad-leaved weeds and annual grasses mainly in maize and sorghum plantations. Sorption and desorption in such soils are important processes that affect transport, ending with soil and water contamination, not only in these soils, but in other soils around the world. Lime and phosphate are important amendments in tropical soils to mitigate low fertility. These treatments can affect interaction among soil particles and between soil and atrazine. The objectives here were to evaluate the effect of lime, phosphate, and lime + phosphate treatments on sorption and transport of atrazine in a Typic Hapludult, using soil-erosion-plots at field conditions in a 3%-slope landscape... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Contamination; Pesticide; Argisol; Soil erosion plots.. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100204 |
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| Registros recuperados: 43 | |
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