油菜茬水稻赤枯病重发原因分析及防治建议  

Causes of the outbreak of rice akagare in rice fields in the rotation cropping system of oilseed rape followed by rice and its control strategies

作　　者：蔡良华[1] 卞觉时[1] 赵永根[1] 王红娟[1] 徐军 

机构地区：[1]江苏省海门市植保站,江苏海门226100 [2]海门市土肥站,226100

出　　处：《植保技术与推广》2003年第11期11-13,共3页Plant Protection Technology and Extension

摘　　要：分析海门市油菜后茬水稻田赤枯病严重发生的原因,主要与土壤缺钾、土壤中产生有毒物质和低温阴雨气候等因素有关。在此基础上,提出了合理施肥、加强田间管理和发病后及时补救措施的治理对策。s: Causes of the outbreak of rice akagare in rice fields in the rotation cropping system of oilseed rape followed by rice in Haimen city were analyzed. The results indicated that the outbreak was mainly correlated with Kalium deficiencies, and poisonous matters in soil, low temperatures and rainy weathers. Based on the analysis, such control strategies were put forward as follows: applying fertilizer rationally, strengthening field management and taking control measures appropriately after the outbreak.

关 键 词：水稻赤枯病 油菜后茬 重发原因 防治建议 补救措施 田间管理 

分 类 号：S435.111.31[农业科学—农业昆虫与害虫防治]