Peach Gummosis by jpopenoe Posted: July 6, 2018 2 Comments Do your peach trees have some gummy looking sap exuding from the trunk? Gummosis is the term for the symptom of gummy sap oozing from the trunk and branches. It is not that unusual and can have several… Read More Category: Agriculture, Horticulture, Pests & Disease Tags: botryosphaeria, gummosis, peach disease