by Elio — It came as a sur­prise to me re­cently to re­al­ize how much is known about the im­mune re­sponses of plants and, more­over, how much there is to know. There is, I found, de­tailed mol­e­c­u­lar in­for­ma­tion about how our botan­i­cal cousins de­fend them­selves against the on­slaught of in­fec­tious agents. Per­haps most…