TY - BOOK ID - 137320753 TI - Photo guide to pruning western white pine to control white pine blister rust = : Guía fotográfica para el podamiento del pino blanco occidental como método de control contra la roya ampulante del pino blanco PY - 2017 PB - [Ogden, UT] : United States Department of Agriculture, Forest Health Protection, Northern & Intermountain Regions, DB - UniCat KW - Blister rust KW - Western white pine KW - Control KW - Diseases and pests KW - Pruning UR - https://www.unicat.be/uniCat?func=search&query=sysid:137320753 AB - ER -