Planting partnerships to avoid

No doubt you have came across plant partnerships that help one another, but what about partnerships to avoid, or possibly use to suppress growth of some other plant like yellow rattle to suppress grass though the one I was thinking of is avoid planting marigolds near peas or beans, or avoid planting brassica near potatoes, there are several plants that you should avoid planting beside potatoes, if it hasn't been done previously, could someone start a list that could be added to, to give quick guide of such plants