INFLUENCE OF TEMPERATURE AND SPORE STAGE 

 ON PRODUCTION OF TELIOSPORES BY 

 SINGLE AECIOSPORE LINES OF CRONARTIUM RIBICOLA 



Geral I. McDonald and Duane S. Andrews 



USDA Forest Service Research Paper INT056 

 Intermountain Forest and Range Experiment Station 

 U.S. Department of Agriculture, Forest Service 



