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当前位置: 首页 > 文章 > 高粱上精异丙甲草胺安全剂的筛选 河南农业科学 2014,43 (9) 99-102
Position: Home > Articles > Screening of the Safeners for S-Metolachlor on Sorghum Journal of Henan Agricultural Sciences 2014,43 (9) 99-102

高粱上精异丙甲草胺安全剂的筛选

作  者：
吴仁海;孙慧慧;苏旺苍;鲁传涛;王恒亮;张永超;薛飞
单  位：
河南省农业科学院植物保护研究所/河南省农作物病虫害防治重点实验室
关键词：
高粱;精异丙甲草胺;生长抑制;安全剂;种子处理;缓解效果
摘  要：
为了降低除草剂精异丙甲草胺对高粱的药害,通过室内生物测定对高粱上施用精异丙甲草胺的安全剂进行研究。结果表明,二氯丙烯胺、AD-67种子处理对高粱生长有不同程度的抑制作用,不适合作为高粱上除草剂的安全剂。解草啶处理虽然对高粱安全,但无法有效缓解精异丙甲草胺对高粱的药害。解草酮5g/kg及20g/kg种子处理缓解效果较好,对高粱株高的缓解率分别为88.54%、77.14%,对鲜质量的缓解率分别为27.34%、40.66%;解草酮600~2 400g/hm2与精异丙甲草胺1 200g/hm2混合喷施,对高粱药害的缓解率为11.44%~34.73%,说明解草酮能够有效降低精异丙甲草胺对高粱的药害,提高高粱对精异丙甲草胺的耐药性。
译  名：
Screening of the Safeners for S-Metolachlor on Sorghum
作  者：
WU Ren-hai;SUN Hui-hui;SU Wang-cang;LU Chuan-tao;WANG Heng-liang;ZHANG Yong-chao;XUE Fei;Institute of Plant Protection,Henan Academy of Agricultural Sciences/Henan Key Laboratory of Crop Pest Control;
关键词：
sorghum;;s-metolachlor;;growth inhibition;;safener;;seed treatment;;alleviative effect
摘  要：
The s-metolachlor had high injury risk on sorghum.The s-metolachlor's safener on sorghum was researched by biological assay in this article.Four safeners,dichlormid,AD-67,fenclorim and benoxacor,were tested in the indoor conditions.The results showed that dichlormid and AD-67 seed treatment would inhibit the growth of sorghum shoot and were not suitable for sorghum as safeners.The fenclorim seed treatment was not effective to alleviate the phytotoxicity of s-metolachlor.Seed treatment of benoxacor(5g/kg and 20g/kg)protected sorghum seedlings from growth inhibition by s-metolachlor,with the plant height alleviation rate of 88.54% and77.14%,and the fresh weight alleviation rate of 27.34% and 40.66%,respectively.When benoxacor(600-2 400g/ha)and s-metolachlor(1 200g/ha)were mixedly sprayed,the rate of phytotoxicity was reduced by 11.44%-34.73% compared to s-metolachlor single spraying.In conclusion,benoxacor can increase the resistance of sorghum to s-metolachlor.

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