Monsanto is constantly developing new products and in motion. Recently, they've made some big moves with Bayer, Dow, and Dupont.
I think that they've anticipated the EU ban and already have replacements for the banned products.
I also think that they're going to catch BASF and Syngenta 'flat footed'.
I seriously doubt that Monsanto is going to lose any ground whatsoever.
On the contrary, I think they're going to gain ground.