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山东小麦条锈病防治面积超6000万亩次 病情基本控制
新华社济南5月22日电(记者张志龙)当前山东省小麦正处于灌浆期,是小麦形成产量的关键时期。记者22日从山东农业部门获悉,目前山东省小麦条锈病防治面积超6000万亩次,病情基本控制。
山东省植物保护总站最新监测数据显示,当前小麦条锈病见病面积3183万亩,发生范围和面积均超过大发生的1990年,且山东省17市均发生病情,发病县(市、区)100个,鲁西南、鲁南、鲁中、鲁西北普遍发生;鲁北点片发生;半岛地区零星发生。先发重发的菏泽、济宁、枣庄、临沂等市已普防两遍,局部严重地区防治三遍。
据介绍,今年4月20日小麦条锈病病情发生后,山东各地充分发挥植保社会化服务组织的主力军作用,共动用机动药械12000(架、台),包括直升机30多架、无人机800多架,防治面积超过6000万亩次。总体防治效果达85%以上,有效遏制了病情快速扩散蔓延势头,小麦条锈病病情基本得到控制。
小麦条锈病,主要发生在小麦叶片上,是一种大区域流行性病害,传染性和致病性极强且监测难度大、危害损失重。在气候条件适宜时,往往能在短期内暴发流行,导致叶片早枯,影响小麦灌浆,易造成一定程度减产乃至绝收。
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