杂交榛子白粉病药剂防治试验  

Prevention and control experiments on powdery mildew of hybrid Corylus heterophylla

作　　者：薛光艳 孙冬伟 段鹏勇 于洋 张庆伟 汪立洲 

机构地区：[1]抚顺市林业局,辽宁抚顺113006 [2]抚顺市林业科学研究所,辽宁抚顺113008 [3]海城市园林处,辽宁海城114200

出　　处：《辽宁林业科技》2010年第5期10-12,共3页Liaoning Forestry Science and Technology

摘　　要：白粉病是杂交榛子的主要病害,感病后的榛树长势衰弱,果实产量与品质降低,严重的甚至会逐渐死亡。通过在抚顺市进行杂交榛子白粉病药剂防治试验发现,杂交榛子白粉病在抚顺市始发期为6月上旬至7月上旬,盛发期为7月中旬至9月下旬,末期为10月上旬至11月。杂交榛子白粉病有效防治药剂及使用浓度为15%三唑酮400倍液,45%石硫合剂200～400倍液。Powdery mildew was a main disease for hybrid Corylus heterophylla, which affected growth vigor, quality and quantity of fi＇uits, and also caused mortality of trees in severe conditions. Experiments of prevention and control on powdery mildew of hybrid Corylus heterophylla were canied out in Fushun city. The results showed that the early stage of outbreak period was from beginning of June to mid July, the peak stage was from mid July to the end of September, the last stage was from beginning of October to November. 15% triadimefon 1：400 dilution and 45% lime sufur 1：200 - 400 dilution were the effective pesticides for powdery mildew of hybrid Corylus heterophylla.

关 键 词：杂交榛子 白粉病 防治试验 

分 类 号：S763.15[农业科学—森林保护学]