摘要
为了寻求新的防治苹果枝干轮纹病药剂和其使用技术,对自主研发的保护性生物菌剂LZ-1进行了田间防治效果研究。结果表明,生物菌剂LZ-1能有效抑制苹果树树体病瘤数增加,对已发生枝干轮纹病的树体具有较高的防治效果,最高防效可达89.93%,与甲基硫菌灵化学涂剂处于同一水平。在涂药时间方面,3—5月涂抹生物菌剂LZ-1对苹果枝干轮纹病均有较好的田间防效,该时期为田间施药的关键时期。生物菌剂LZ-1在苹果树枝条上的有效附着期达60 d,在主干上的有效附着期可达6个月。施用生物菌剂LZ-1可以减少化学药剂的使用量,达到减药目的。
In order to seek new fungicides and methods for controlling apple ring rot on branches and trunks,the field control effect of self-developed protective biocontrol agent LZ-1was studied.The results showed that the biocontrol agent LZ-1 could effectively inhibit the production of new warts in apple trees with high control effect on the diseased trees,and the highest prevention effect reached 89.93%,which was the same as the chemical methyl thiophanate paint.Treatments of applying biocontrol agent LZ-1 from March to May had good field control effect,which were the key months for field application of pesticides.The effective adhesion period of the biocontrol agent LZ-1 was 60 days on branches,and that was 6 months on trunks.The application of biocontrol agent LZ-1 can reduce the usage of chemical fungicides and achieve the purpose of fungicides reduction.
作者
张林尧
孟祥龙
王午可
任红敏
胡同乐
曹克强
ZHANG Linyao;MENG Xianglong;WANG Wuke;REN Hongmin;HU Tongle;CAO Keqiang(College of Plant Protection,Hebei Agricultural University,Baoding 071000,China;Baoding Customs of the People’s Republic of China,Baoding 071000,China)
出处
《河南农业科学》
北大核心
2019年第10期99-104,共6页
Journal of Henan Agricultural Sciences
基金
国家重点研发计划项目(2016YFD0201126)
国家苹果产业技术体系项目(CARS-28)
河北省自然科学基金项目(c2016204140)
关键词
苹果轮纹病
生物菌剂LZ-1
田间防效
Apple ring rot disease
Biocontrol agent LZ-1
Field control effect
