摘要
为了能够在大豆整个生育期对大豆根腐病进行防治,试验在2014年采用缓释甲霜灵颗粒剂对大豆根腐病主要致病菌:大豆疫霉病菌、大豆镰孢菌进行了室内菌株菌丝生长抑制试验,同时对缓释甲霜灵颗粒剂在田间持效期及防效进行了田间试验。试验表明:缓释甲霜灵颗粒剂在室内抑菌试验中抑制率最好,对疫霉菌的EC_(50)为0.364,对镰孢菌的EC_(50)为0.5800,均为最小;并且田间试验中发现,在5种防治药剂中防效最好,可以有效防治大豆生长后期大豆根腐病的发病情况,是一种防治大豆根部病害的新型药剂,为绿色、高效的大豆综合防治技术奠定了一定的基础。
In order to control soybean root rot in the whole growth period of soybean, indoor mycelial growthinhibition test was conducted using a new type controlled- release metalaxyl granule to control the mainpathogens of soybean root rot： Phytophthora sojae and soybean Fusarium in 2014. At the same time, a fieldexperiment of the lasting period and the control effect of the new type controlled-release metalaxyl granule wascarried out. The results showed that the inhibition rate of indoor test was the best, the EC_（50） to P. sojae was 0.364 and the EC_（50） to Fusarium was 0.5800, which were all the lowest. And the field experiment showed that thecontrolled- release metalaxyl granule had the best field control effect among the 5 kinds of bactericides. Itcould prevent the soybean root rot in the late growth stage. The new pesticide was an environmental friendlyand high-efficiency agent, which laid a foundation for the prevention and control technology.
出处
《农学学报》
2016年第3期12-15,共4页
Journal of Agriculture
基金
公益性行业(农业)专项"作物疫病监测防控技术研究与示范"(201303018)
黑龙江省自然科学基金面上项目"黑龙江省大豆根腐病病原菌种群遗传结构及ITS序列分析"(C201449)
黑龙江省杰出青年科学基金"利用SSR技术构建大豆种质抗灰斑病分子身份证"(JC2015005)
关键词
缓释甲霜灵颗粒剂
大豆根腐病
大豆疫霉菌
大豆镰孢菌
Controlled Release Metalaxyl Granule
Soybean Root Rot
Phytophthora Sojae
Soybean Fusarium
