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硅肥与18%吡唑醚菌酯SC混喷对玉米茎基腐病及产量的影响

Effects of Silicon Fertilizer Mixed with Pyraclostrobin 18% SC on the Maize Stalk Rot and Yield
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摘要 [目的]明确可溶性硅与杀菌剂互作对玉米茎基腐病的防治效果。[方法]通过田间随机区组试验,比较了不同浓度可溶性硅肥与18%吡唑醚菌酯SC配施对玉米茎基腐病的防效。[结果]各处理都能提高玉米叶绿素含量、百粒重、产量及对玉米茎基腐病的防效。[结论]混合喷施的效果大于单喷,硅肥浓度越大,防效和产量越高,混合喷施2000 mg/L可溶性硅和18%吡唑醚菌酯SC后玉米叶绿素相对含量最高,对茎基腐病的防效最好,百粒重和产量最高。 [Aims] This study aims to determine the control effects of soluble silicon and fungicide on maize stalk rot.[Methods] The effects at different concentrations of soluble silicon fertilizer combined with pyraclostrobin 18% SC on the control effects of maize stem rot were compared through field randomized block test.[Results] The results showed that each treatment could improve the control effects of the maize stalk rot,the chlorophyll content,100-grain weight and yield of maize.[Conclusions] Mixed spraying is more effective than single spraying.The higher the concentration of silicon fertilizer is,the higher the prevention effect and yield are.The relative content of corn chlorophyll is the highest,the control effect on maize stalk rot is the best and the 100-grain weight and yield are the highest after spraying2000 mg/L soluble silicon and pyraclostrobin 18% SC.
作者 杨克泽 马金慧 吴之涛 陈志国 高正睿 任宝仓 YANG Ke-ze;MA Jin-hui;WU Zhi-tao;CHEN Zhi-guo;GAO Zheng-rui;REN Bao-cang(Gansu Academy of Agri-engineering Techology,Gansu Key Lab of Plant Germplasm Innovation and Safety Ulilization of Special Drug Sources,Wuwei 733000,Gansu,China)
出处 《农药》 CAS CSCD 北大核心 2019年第7期527-531,共5页 AGROCHEINCALS
基金 甘肃省青年科技基金计划项目(17JR5RA016) 甘肃省重点研发计划项目(18YF1NA011)资助 甘肃省玉米产业技术体系(GARS-02-03).
关键词 可溶性硅肥 吡唑醚菌酯 玉米茎基腐病 防治 产量 soluble silicon pyraclostrobin maize stalk rot prevention yield
作者简介 杨克泽(1984—),女,甘肃会宁人,农艺师,硕士,主耍从事作物真菌病害研究。Tel:0935-2611349,E-mail:307231530@qq.com;通讯作者:任宝仓(1964—),男,副研究员,主要从事玉米病虫害研究及防治。E-maih463573198@qq.com。
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