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近年来,江苏省赣榆县、南京市郊区等保护地栽培和露地栽培的青椒在5～6月份常常出现大面积突发性死秧现象,一般田块死亡率30～60%,严重的整棚、整块田毁灭、绝收,造成极大的经济损失.为明确死秧原因,我们对该病的症状特点、病原等进行了分析研究.材料和方法1.材料以赣榆县大棚栽培的青椒病株、南京市郊区露地栽培的青椒病株为材料,这些病株表现典型的死秧症状.同时采集病株周围的病(?)进行分离 透(?)等试验.
In recent years, Ganyu County, Jiangsu Province, Nanjing suburbs and other protected cultivated and open cultivation of green peppers often appear in 5 to June large area sudden death seedling phenomenon, the general field block mortality of 30 to 60% of the serious whole Shed, monolithic fields destroyed, absolutely closed, resulting in great economic losses.To clarify the reason for dead seedlings, we have the symptoms of the disease characteristics, pathogens, etc. were studied.Materials and methods 1. Materials to Ganyu County greenhouse cultivation Green pepper disease strain and green pepper disease cultivated in open field in Nanjing suburb were used as materials, and these disease strains showed the typical symptoms of death seedling.