1999年浙江省原蚕种场春叶被害原因调查  

Investigation on the Causes of Damage to Spring Mulberry Leaves in Zhejiang Provincial Station for Reproductive Silkworm Eggs

作　　者：叶志毅[1] 刘红[1] 王丕承[2] 张庆芳[2] 

机构地区：[1]浙江大学蚕学系 [2]浙江省农业厅

出　　处：《蚕桑通报》1999年第3期33-35,共3页Bulletin of Sericulture

摘　　要：位于杭州市小和山的浙江省农业厅原蚕种场，１９９９ 年春桑叶突然受到不明原因的危害，通过调查、原因分析及试验、检测。This paper analyzed the causes of damage to spring mulberry leaves in Zhejiang Provincial Station for Reproductive SilkwormEggs, which is located in Xiaoheshan,Hangzhou city,and inferred that the air pollution was the main reason.

关 键 词：桑叶 大气污染 调查 桑树 春叶 受害原因 

分 类 号：S888.74[农业科学—特种经济动物饲养]