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玉米弯孢菌叶斑病发病规律及影响因子研究
引用本文:臧少先,张义奇,石丽军,狄继革,赵来顺.玉米弯孢菌叶斑病发病规律及影响因子研究[J].河北农业科学,2005,9(2):7-11.
作者姓名:臧少先  张义奇  石丽军  狄继革  赵来顺
作者单位:保定职业技术学院,河北,保定,071051;保定职业技术学院,河北,保定,071051;保定职业技术学院,河北,保定,071051;保定职业技术学院,河北,保定,071051;保定职业技术学院,河北,保定,071051
摘    要:2000~2003年对玉米弯孢菌叶斑病的田间发生消长规律及其主要影响因子进行了研究,明确了田间病残体是玉米弯孢菌叶斑病初侵染来源;播种期、施氮肥量、前茬作物和气象因子都会对该病害的发生程度产生影响;提出了以清除病残体为主,化学防治为辅的综合防治措施。

关 键 词:玉米弯孢菌  叶斑病  发病规律  影响因子  防治
文章编号:1008-1631(2005)02-0007-05

Studies on the Occurrence Regularity of Maize Curvularia Leaf Spot Disease
ZANG Shao-xian,ZHANG Yi-qi,SHI Li-jun,Di Ji-ge,Zhao Lai-shun.Studies on the Occurrence Regularity of Maize Curvularia Leaf Spot Disease[J].Journal of Hebei Agricultural Sciences,2005,9(2):7-11.
Authors:ZANG Shao-xian  ZHANG Yi-qi  SHI Li-jun  Di Ji-ge  Zhao Lai-shun
Abstract:The occurrence regularity of curvularia leaf spot and influence factors were investigated in 2000~2003. Results indicated that the diseased plant in field was the initial infestation resource of curvularia leaf spot. Sowing stage, nitrogen content in the soil, rotation crops and weather factor had influences on the occurrence of this disease. The integrated control strategies were put forward through cleaning the field, removing the diseased plant and chemical control.
Keywords:Curvularia leaf spot of maize  Spot disease  Occurrence regularity  Effect factor  Integrated control
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