Phenoxyacetic herbicides constitute one of the largest groups of herbicides sold in the world. Among them, since 1946, 2,4-Dichlorophenoxyacetic acid (2,4-D), whose structural formula is shown in Fig. 1, has been the most used. Nowadays, new formulations of 2,4-D are continuously made available. In fact, there are over 600 2,4-D products currently on the market. For over 60 years, 2,4-D has bee...

Hybridization in flowering plants depends, the first place, on delivery of pollen to a receptive stigma and subsequent growth tubes through style ovary, where sperm nucleus grain can ultimately fertilize egg cell. However, reproductive failure is often observed distant crosses caused by pre- and/or post-zygotic barriers. In this study, pre-fertilization barriers intertribal between Anemone coro...