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机构地区:[1]北京市密云县植保植检站,北京101500 [2]北京市密云县河南寨镇政府,北京101500
出 处:《北京农业(下旬刊)》2010年第10期46-49,共4页Beijing Agriculture
摘 要:十四点负泥虫是北京市密云地区芦笋生产过程中主要害虫之一,也是影响全县芦笋生产、影响农民增收致富的主要制约因素。春季是十四点负泥虫发生危害关键期,如果防治时间不当,防治不及时,将会给整个芦笋生产造成重大损失,为此开展了十四点负泥虫在密云县春季出土危害与温度关系调查,明确了当土壤深5cm、06:00的温度>6.0℃、下午的温度>20.0℃时,十四点负泥虫开始大量出土活动;4月底-5月初芦笋出笋期,10:30-16:30为十四点负泥虫出土活动高峰期,此阶段开展防治效果最为理想。Crioceris quatuordecimpunctata is one of the important pest during asparagus production in Miyun county of Beijing,and it is also affected production,the whole incoming possessed by the major constraint. Spring is in danger period of Crioceris quatuordecimpunctata,if the fight against time to time and not,will give the whole asparagus production in heavy losses,for this reason it has Crioceris quatuordecimpunctata of Miyun county spring unearthed hazard and the relationship research. The results showed that the soil deeply 5 cm,at 06:00 p.m.,the temperature 6.0℃,the temperature20.0℃,Crioceris quatuordecimpunctata is to excavate a large number of activities at the end of April to the early May asparagus out of bamboo,10:30-16:30 for Crioceris quatuordecimpunctata present activities in the rush hour,the effect in prevent the most ideal.
分 类 号:S436.44[农业科学—农业昆虫与害虫防治]
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