Pattern of Sensitivity of Plant Species to Various Herbicides—An Analysis with Two Databases

摘要: Two extensive databases were used to examine the pattern of species sensitivities pesticides. The first database consisted industry-sponsored data collated over several years by Canadian regulatory authority (data on weed efficacy and crop margin safety). second dataset submitted United States Environmental Protection Agency (U.S. EPA). On whole we found that not consistently more, or less, sensitive herbicide tested than non-crop species. Within Poaceae family (grasses), however, exhibited higher sensitivity in 15 cases (out 23), only five crops more sensitive. range increases with an augmentation numbers tested, suggesting number current guidelines is insufficient. Principal Component Analyses showed two groups could be separated; both databases, grass broad-leaved formed distinct groups. Correlations between demonstrated a relationship when comparing within genera families. distribution-based method ascertained further importance testing other those recommended U.S. EPA guidelines. We concluded that, given limitations analyses carried out. suggest improved phytotoxicity prerequisite refine risk assessment pesticide effects non-target plants.