TY - JOUR T1 - Effect of Drought and Freezing Stresses on Susceptibility of Blue Spruce to <em>Cytospora (Valsa</em>) Canker<sup>1</sup> JF - Arboriculture &amp; Urban Forestry (AUF) JO - JOA SP - 127 LP - 127 DO - 10.48044/joa.1983.9.5.127 VL - 9 IS - 5 A2 - , Y1 - 1983/05/01 UR - http://auf.isa-arbor.com/content/9/5/127.abstract ER -