
According to new research, the defense hormone salicylic acid helps select which bacteria live both inside and on the surface of a plant’s roots, keeping some bacteria out and actively recruiting others.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/cUGjMOeNTWU» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cUGjMOeNTWU/150716160331.htm