INFECTION CYCLE OF MELAMPSORA LARICi-POPULINA KLEB.AND SELECTION OF POP-LAR STOCKS RESISTANT TO RUST松杨栅锈菌(Melampsora larici-populina Kleb.)的侵染循环和抗锈树种的筛选
A renewed DNA extraction method for molecular study of Melampsora larici-populina落叶松-杨栅锈菌DNA提取新方法研究(英文)