28%三环唑·嘧菌酯悬浮剂对水稻稻瘟病的防治效果
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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。
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.
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.
引文
[1] 杨勤忠,林菲,冯淑杰,等.水稻稻瘟病抗性基因的分子定位及克隆研究进展[J].中国农业科学,2009,42(5):1601-1615.
[2] 王艳青.近年来中国水稻病虫害发生及趋势分析[J].中国农学通报,2006,22(2):343-347.
[3] 周瑚,任佐华,虞选杰,等.湖南桃江病圃稻瘟病菌对24个水稻抗稻瘟病基因的毒性分析[J].植物保护,2017,43(3):165-170.
[4] DEAN R, VAN KAN J A, FOSTER G D, et al. The top 10 fungal pathogens in molecular plant pathology [J]. Molecular Plant Pathology, 2012, 13(4): 414-430.
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[7] 梁亮,胡雪芳,刘卫萍,等.20%寡聚酸碘对水稻稻瘟病的田间防治效果研究[J].中国农学通报,2013,29(36):351-354.
[8] SUH J P, ROH J H, CHO Y C, et al. The Pi40 gene for durable resistance to rice blast and molecular analysis of Pi40-advanced backcross breeding lines [J]. Phytopathology, 2009, 99(3): 243-250.
[9] 马军韬,张国民,张丽艳,等.黑龙江省部分地区稻瘟病菌致病性分析及鉴别体系优化[J].植物保护学报,2017,44(1):75-83.
[10] 姚树萍,贾丽,何玲,等.我国水稻稻瘟病菌对三环唑抗性研究现状[J].农药科学与管理,2017,38(6):13-17.
[11] 郭晓刚,王晓梅,候志广,等.15种杀菌剂及其相关配比对水稻稻瘟病菌的室内毒力及田间防效[J].农药,2015,54(3):223-226.
[12] 郑雪松,茹李军,张智能,等.烯肟菌胺与三环唑混合物对稻瘟病菌的联合毒力及防效[J].农药,2016,55(22):127-129.
[13] 张杨,侯东艳,祁之秋,等.稻瘟病菌对三环唑抗药性风险研究[J].沈阳农业大学学报,2009,40(1):99-102.
[14] 董丽英,王群,刘树芳,等.云南省稻瘟病菌群体对稻瘟病抗性单基因的致病性分析[J].西南农业学报,2012,25(2):467-473.
[15] 陈银凤,张云,陈夕军,等,水稻病虫害防治化学农药减量控害技术[J].浙江农业科学,2017,58(12):2231-2234.
[16] 杨荣明,周明国,叶钟音.三环唑防治稻瘟病的作用机制[J].南京农业大学学报,1998,21(2):34-37.
[17] 张艳菊,王莹,党悦嘉,等.黄瓜霜霉病菌对嘧菌酯抗药性研究[J].东北农业大学学报,2015,46(4):23-28.
[18] 杜宜新,李科,阮宏椿,等.稻瘟病菌对稻瘟灵、异稻瘟净和三环唑的敏感性[J].植物保护学报,2017,38(5):455-460.
[2] 王艳青.近年来中国水稻病虫害发生及趋势分析[J].中国农学通报,2006,22(2):343-347.
[3] 周瑚,任佐华,虞选杰,等.湖南桃江病圃稻瘟病菌对24个水稻抗稻瘟病基因的毒性分析[J].植物保护,2017,43(3):165-170.
[4] DEAN R, VAN KAN J A, FOSTER G D, et al. The top 10 fungal pathogens in molecular plant pathology [J]. Molecular Plant Pathology, 2012, 13(4): 414-430.
[5] 孙国昌,杜新法,陶荣祥,等.水稻稻瘟病防治研究进展和21世纪初研究设想[J].植物保护,2000,26(1):33-35.
[6] 董继新,董海涛,李德葆.水稻抗瘟性研究进展[J].农业生物学报,2000,8(1):99-102.
[7] 梁亮,胡雪芳,刘卫萍,等.20%寡聚酸碘对水稻稻瘟病的田间防治效果研究[J].中国农学通报,2013,29(36):351-354.
[8] SUH J P, ROH J H, CHO Y C, et al. The Pi40 gene for durable resistance to rice blast and molecular analysis of Pi40-advanced backcross breeding lines [J]. Phytopathology, 2009, 99(3): 243-250.
[9] 马军韬,张国民,张丽艳,等.黑龙江省部分地区稻瘟病菌致病性分析及鉴别体系优化[J].植物保护学报,2017,44(1):75-83.
[10] 姚树萍,贾丽,何玲,等.我国水稻稻瘟病菌对三环唑抗性研究现状[J].农药科学与管理,2017,38(6):13-17.
[11] 郭晓刚,王晓梅,候志广,等.15种杀菌剂及其相关配比对水稻稻瘟病菌的室内毒力及田间防效[J].农药,2015,54(3):223-226.
[12] 郑雪松,茹李军,张智能,等.烯肟菌胺与三环唑混合物对稻瘟病菌的联合毒力及防效[J].农药,2016,55(22):127-129.
[13] 张杨,侯东艳,祁之秋,等.稻瘟病菌对三环唑抗药性风险研究[J].沈阳农业大学学报,2009,40(1):99-102.
[14] 董丽英,王群,刘树芳,等.云南省稻瘟病菌群体对稻瘟病抗性单基因的致病性分析[J].西南农业学报,2012,25(2):467-473.
[15] 陈银凤,张云,陈夕军,等,水稻病虫害防治化学农药减量控害技术[J].浙江农业科学,2017,58(12):2231-2234.
[16] 杨荣明,周明国,叶钟音.三环唑防治稻瘟病的作用机制[J].南京农业大学学报,1998,21(2):34-37.
[17] 张艳菊,王莹,党悦嘉,等.黄瓜霜霉病菌对嘧菌酯抗药性研究[J].东北农业大学学报,2015,46(4):23-28.
[18] 杜宜新,李科,阮宏椿,等.稻瘟病菌对稻瘟灵、异稻瘟净和三环唑的敏感性[J].植物保护学报,2017,38(5):455-460.