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当前位置: 首页 > 文章 > 28%三环唑·嘧菌酯悬浮剂对水稻稻瘟病的防治效果 植物保护 2019 (1) 226-229
Position: Home > Articles > Control effect of tricyclazole·azoxystrobin 28% SC on rice blast Plant Protection 2019 (1) 226-229

28%三环唑·嘧菌酯悬浮剂对水稻稻瘟病的防治效果

作  者：
董丽英;赵秀兰;刘树芳;李迅东;杨勤忠
单  位：
云南省农业科学院农业环境资源研究所;云南省沧源佤族自治县植保植检站
关键词：
水稻稻瘟病;28%三环唑·嘧菌酯SC;防治效果
摘  要：
为科学合理地选择和使用田间控制稻瘟病的杀菌剂,本研究通过室内苗期测定和大田试验,评价复配剂28%三环唑·嘧菌酯SC对水稻稻瘟病的防治效果。结果表明,28%三环唑·嘧菌酯SC对水稻苗瘟及穗瘟均有很好的预防和治疗效果。在温室人工控制条件下,施药后接种的防效高于接种后施药的防效,最高防效分别为97.35%和92.70%。在田间对穗瘟的最高防效达到91.11%,与对照药剂75%三环唑WP和250 g/L嘧菌酯SC的平均防效相当,可以在生产上推广使用,推荐有效成分用量为252～420 g/hm~2。
译  名：
Control effect of tricyclazole·azoxystrobin 28% SC on rice blast
作  者：
DONG Liying;ZHAO Xiulan;LIU Shufang;LI Xundong;YANG Qinzhong;Institute of Agricultural Environment and Resources, Yunnan Academy of Agricultural Sciences;Plant Protection and Quarantine Station of Cangyuan Wa Autonomous County;
单  位：
DONG Liying%ZHAO Xiulan%LIU Shufang%LI Xundong%YANG Qinzhong%Institute of Agricultural Environment and Resources, Yunnan Academy of Agricultural Sciences%Plant Protection and Quarantine Station of Cangyuan Wa Autonomous County
关键词：
rice blast;;tricyclazole·azoxystrobin 28%SC;;control effect
摘  要：
In order to screen and use the fungicides for controlling rice blast scientifically in the field, the control effect of tricyclazole·azoxystrobin 28% SC was evaluated for leaf blast in greenhouse, and for panicle blast in field, respectively. Under the artificially controlling condition in greenhouse, control effect of tricyclazole·azoxystrobin 28% SC using before inoculation of Magnaporthe oryzae to leaf blast was higher compared with that one using after inoculation, the highest control effect to leaf blast were 97.35% and 92.70%, respectively. Control effect of tricyclazole·azoxystrobin 28% SC to panicle blast in the field reached 91.11%,which is similar to both control fungicides tricyclazole 75% WP and azoxystrobin 250 g/L SC. These results indicated that tricyclazole·azoxystrobin 28% SC could be a promising fungicide for rice blast control, and the recommended dosage should be 252-420 g/hm~2.

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