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摘要：稗属杂草是全球范围的一种恶性杂草，也是我国水稻最主要的恶性杂草之一。稗属杂草分布在我国的有10个种、5个变种，不同稗属杂草对除草剂的敏感性不尽相同。基于药剂抑制杂草生长量50%（ED50）剂量值来看，供试6种稗属杂草对噁草酮的敏感性而言，光头稗 > 长芒稗 > 无芒稗 > 西来稗 = 硬稃稗 > 稗；对莎稗磷的敏感性而言，无芒稗 > 光头稗 > 长芒稗 > 硬稃稗 > 稗 > 西来稗；对苯噻酰草胺的敏感性而言，光头稗=硬稃稗 > 稗 = 无芒稗 > 长芒稗 = 西来稗；对二甲戊灵而言：无芒稗 > 光头稗 = 硬稃稗 > 长芒稗 > 西来稗 > 稗。对二氯喹啉酸的敏感性而言，西来稗 = 稗 > 长芒稗 = 硬稃稗 = 无芒稗 > 光头稗；对双草醚的敏感性而言，稗 = 无芒稗 = 长芒稗 > 西来稗 > 光头稗 > 硬稃稗；对噁唑酰草胺的敏感性而言，稗 = 硬稃稗 = 长芒稗 = 无芒稗 =西来稗 > 光头稗；对精噁唑禾草灵的敏感性而言，光头稗 = 长芒稗 = 无芒稗 = 西来稗 = 稗 = 硬稃稗。29017
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毕业论文关键词：稗属杂草；稻田常用除草剂；敏感性；比较
The sensitivity of Echinochloa weed species to different herbicides frequently used in paddy fields
Abstract:Echinochloa weed species, a group of the world’s worst weeds, cause serious damage to the rice production in China. Echinochloa genus contains about 35 species and more than 10 subspecies all over the world. In China, Echinochloa spp. contains about 10 species and 5 subspecies. Different species of this genus hold different susceptibilities to herbicides. Based on doses of herbicides inhibiting 50% of target weed species (ED50), we tested the sensitivities of 6 Echinochloa weed species to different herbicides frequently applied in rice fields. As to the sensitivity of the oxadiazon, Echinochloa colonum (l.) Link. > Echinochloa caudata Roshev. > Echinochloa crusgalli var. Mitis > Echinochloa crusgalli (l.) p. = Echinochloa glabrescens Munro ex Hook f. > Echinochloa crusgalli (l.) Beauv.;For the sensitivity of anilofos, Echinochloa crusgalli var. Mitis > Echinochloa colonum (l.) Link. > Echinochloa caudata Roshev. > Echinochloa glabrescens Munro ex Hook f. > Echinochloa crusgalli (l.) Beauv. > Echinochloa crusgalli (l.) p.;For the sensitivity of mefenacet baldheaded tares = Echinochloa glabrescens Munro ex Hook f. > Echinochloa crusgalli (l.) Beauv. = Echinochloa crusgalli var. Mitis > Echinochloa caudata Roshev. = Echinochloa crusgalli (l.) p.;For pendimethalin, Echinochloa crusgalli var. Mitis > Echinochloa crusgalli (l.) Beauv. = Echinochloa glabrescens Munro ex Hook f. > Echinochloa caudata Roshev. > Echinochloa crusgalli (l.) p. > Echinochloa crusgalli (l.) Beauv..For the sensitivity of quinclorac, Echinochloa crusgalli (l.) p. = Echinochloa crusgalli (l.) Beauv. > Echinochloa caudata Roshev. = Echinochloa glabrescens Munro ex Hook f = Echinochloa crusgalli var. Mitis > Echinochloa colonum (l.) Link.;For bispyribac - sodium sensitivity, Echinochloa crusgalli (l.) Beauv. = Echinochloa crusgalli var. Mitis = Echinochloa caudata Roshev. > Echinochloa crusgalli (l.) p. > Echinochloa colonum (l.) Link. > Echinochloa glabrescens Munro ex Hook f.;For the sensitivity of metamifop, Echinochloa crusgalli (l.) Beauv. = Echinochloa glabrescens Munro ex Hook f = Echinochloa crusgalli var. Mitis = Echinochloa caudata Roshev. = Echinochloa crusgalli (l.) p. > Echinochloa colonum (l.) Link.;For fenoxaprop - p - the sensitivity of the baton rouge, Echinochloa colonum (l.) Link. = Echinochloa caudata Roshev. = Echinochloa crusgalli var. Mitis = Echinochloa crusgalli (l.) p. = Echinochloa crusgalli (l.) Beauv. = Echinochloa glabrescens Munro ex Hook f..
Key words: Echinochloa weed; susceptibility; herbicide resistance; herbicide; compare
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