%0 Journal Article %T STUDY OF CHRONIC TOXICITY OF THE GLYPHOSATE HERBICIDE IN SEEDS OF CORN, %A Ana Cl¨˘udia Rebessi %A N¨˛bia Nat¨˘lia de Brito %J Engenharia Ambiental : Pesquisa e Tecnologia %D 2011 %I Environmental Engineering Course / UNIPINHAL %X Glyphosate is an agrochemical from the group of phosphonates, which is widely used as a herbicide. Although it kills almost any plant, it can be used to eliminate weeds during the growth of crops that are resistant to glyphosate. This research aimed to evaluate the toxicological effects of the herbicide in a study using as test organism seeds of maize (Zea mays), okra (Abelmoschus esculentus (L.) Moench) and arugula (Eruca sativa). The toxicological testing was to use a paper towel dampened with a sample of glyphosate and twenty seeds evenly distributed in containers with lids, left in a dry and airy place, and watered once a day for 5 days. It was possible to check the toxic effect of glyphosate for corn seeds at concentrations above 90 mg.L-1, for okra seeds at concentrations above 75 mg L-1 and arugula seeds in concentrations above 2 mg L - 1. Thus it was concluded that the seeds studied showed a high sensitivity with the possibility to be applied in toxicity testing, representing a simple and low cost. %K Glyphosate %K toxicity %K seeds %U http://189.20.243.4/ojs/engenhariaambiental/include/getdoc.php?id=1541&article=674&mode=pdf