@entity2804 ( @entity2974 ) has been detected in rain, snow, and river samples throughout the world. It may enter into natural water systems via herbicide use, as a by-product of water disinfection, from emissions of spent bleach liquor of kraft pulp mills, and as a natural fungal product. This compound is phytotoxic and likely to accumulate in aquatic environments. A study to assess the fate of @entity2974 in semi-natural aquatic environments and the @entity137 of @entity2974 to rooted aquatic macrophytes was conducted. The experiment involved exposing three replicate 12000 l aquatic microcosms at the University of Guelph Microcosm Facility to 0.05, 0.5, 3, and 10 mg/l of @entity2974 for 35 days in a one-way analysis of variance design. Each microcosm was stocked with 14 individual 5 cm apical shoots of Myriophyllum spicatum and M. sibiricum. The plants were sampled at regular intervals and assessed for the somatic endpoints of plant length, root growth, number of nodes and wet and dry mass and the biochemical endpoints of @entity21364 and chlorophyll-b, carotenoid content, and @entity1792 levels. @entity2974 half-lives in the microcosms ranged from 190 to 296 h depending on the initial concentration of @entity2974 . Myriophyllum spp. results indicate that while there were some statistically significant differences from controls, there were no biologically significant effects of @entity2974 for any of the endpoints examined. These data suggest that @entity2974 does not pose a significant risk to these macrophytes up to 10 mg/l, which typically exceeds environmentally relevant concentrations by several orders of magnitude.

XXXX fate and @entity137 to the macrophytes Myriophyllum spicatum and Myriophyllum sibiricum under field conditions.

@entity137 :: ('MESH:D064420', 'Disease') :: ['toxicity'] @entity21364 :: ('MESH:C085815|MESH:C032081', 'Chemical') :: ['chlorophyll-a'] @entity1792 :: ('MESH:D019343', 'Chemical') :: ['citric acid'] @entity2974 :: ('CHEBI:30956', 'Chemical') :: ['TCA'] @entity2804 :: ('MESH:D014238', 'Chemical') :: ['Trichloroacetic acid']
@entity2804 :: (MESH:D014238,Chemical) :: ['Trichloroacetic acid']
