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| HERNÁNDEZ-ARO,M.; HERNÁNDEZ-PÉREZ,R.; GUADALUPE-TAPIA,G.; GUILLEN-SÁNCHEZ,D.; CASTELLANOS-GONZÁLEZ,L.. |
| ABSTRACT Nowadays, it is very important for researchers to find alternatives that enable the development of a profitable agriculture and a clean environment, therefore, the strategy evaluated in the present study is geared towards the use of the allelopathic effect of many plants. The main objective was to assess the efficiency of a compound derived from extracts of sweet potato (Ipomoea batatas on three weed species under controlled conditions. Different concentrations (1, 5, 10% w/v) were evaluated through a sandwich-type microbioassay in comparison with the traditional Petri dished culture technique. Both tests demonstrated the phytotoxic activity of aqueous extracts of I. batatas, which caused inhibition of germination of A. hybridus, P. oleracea and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Allelopathy; Sweet potato; Residues; A. hybridus; P. oleracea; B. campestri.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100239 |
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| Malpassi,Rosana N.. |
| Eleusine indica and Portulaca oleracea are two common weeds in peanut crops in southern Córdoba. Two chemicals are frequently used to control them, quizalofop for grasses and lactofen for dicots. The objective is to study the effects of quizalofop and lactofen on cuticle ultrastructure in E. indica and P. oleracea, respectively. In the lab, quizalofop was applied on E. indica and lactofen on P. oleracea. Three plant categories were analyzed in each species: 3, 1-2, and no tiller in E. indica, and 8, 6, and 2 nomophylls in P. oleracea. Leaf samples from both species were collected at 7 and 16 days post-application and were treated for scanning electron microscopy. E. indica cuticle treated with lethal dose shows areas where epicuticular waxes disappear,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Quizalofop; Lactofen; Cuticle; E. indica; P. oleracea. |
| Ano: 2006 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452006000100008 |
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