| Full text | |
| Author(s): |
Della Vechia, J. F.
;
Cruz, C.
;
Silva, A. F.
;
Cerveira Jr, W. R.
;
Garlich, N.
Total Authors: 5
|
| Document type: | Journal article |
| Source: | Planta Daninha; v. 34, n. 3, p. 597-603, JUL-SEP 2016. |
| Web of Science Citations: | 3 |
| Abstract | |
ABSTRACT The objective of this study was to evaluate the feasibility of the use of macrophytes Lemna minor and Azolla caroliniana as biomarkers of exposure (acute toxicity) for atrazine, bentazon + imazamox and clomazone, insecticide alpha cypermethrin + teflubenzuron and fungicides pyraclostrobin and mixture pyraclostrobin + epoxiconazole, as well as the risk for environmental intoxication. For this purpose, four plants of L. minor and five of A. caroliniana were selected in a 50 mL Hoagland medium. For both plants, the following concentrations were used: 0.10; 1.07; 3.44; 11.16; 36.40 and 118.0 mg L-1 of each test product and a control with three replicates. The results of this study demonstrated higher sensitivity of L. minor to the tested pesticides, when compared to A. caroliniana. L. minor can be used in the monitoring of herbicides bentazon, atrazine and clomazone and pyraclostrobin-based fungicide, and A. caroliniana can be used for pyraclostrobinbased fungicides, due to the sensitivity of these organisms when exposed. (AU) | |
| FAPESP's process: | 13/10462-1 - Terrestrial and aquatic plants for ecotoxicological evaluation of herbicides, insecticides and fungicides used in corn crop |
| Grantee: | Jaqueline Franciosi Della Vechia |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |