检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:陈永德[1]
机构地区:[1]湟中县林业技术推广中心,青海西宁811600
出 处:《防护林科技》2015年第9期60-61,88,共3页Protection Forest Science and Technology
摘 要:杨树烂皮病是常见病和多发病,对杨、柳、榆等树种危害极大,是西宁市最为严重的一种病害。通过常用药剂及无公害新型植物源药剂"树乐"对比试验,发现"树乐"防治效果超过常规的杀菌剂,用药10d后病情得到控制,病斑处开始愈合,年平均愈合0.48cm,可作为防治杨树烂皮病的替代药剂进行推广。Valsa sordida ,which is a common and frequently-occurring disease of poplar,have done great harm to poplar ,willow,elm and other trees.Valsa sordida is the most serious disease in Xining City.Through comparison test of a kind of new pollution-free botanical pharmacy taken from plant resources-“Shule”,it found that the control effect of “Shule”exceed the conventional bactericides.State of an illness was controlled 10 days later.The healing of the lesion begins to heal;the annual average healing is 0.48 cm.“Shule”can be promoted as alternative pharmacy to control Valsa sordida .
分 类 号:S763.7[农业科学—森林保护学]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.15