brooming
n.— «“It had the very distinctive signs of an infestation,” said Garlock, Otsego Conservation District (OCD) forester, of the sickly tree’s symptoms. Most noticeable were clusters of small branches desperately forming on dying branches in a process called “brooming.”» —“Little beetles, big appetites” by Chris Engle in Livingston Township Gaylord Herald Times (Michigan) Sept. 18, 2006. (source: Double-Tongued Dictionary)