Niemiera, Alexander X.2019-02-272019-02-272018-11-06http://hdl.handle.net/10919/87876Discusses ways to narrow down cause of plant problems and offers a systematic approach to defining them.5 pagesapplication/pdfenVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Garden Plant DiseasesExtension publicationhttps://pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/426/426-714/426-714.pdfPlant protectionPest controlDisease control