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首页> 外文会议>The ACS Symposium on Agrochemical Resistance: Extent, Mechanism, and Detection 2nd, 1999, Honolulu, Hawaii >Development of Herbicide-Resistant Upland Weeds in Japan
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Development of Herbicide-Resistant Upland Weeds in Japan

机译：日本抗除草剂旱地杂草的开发

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In upland fields in Japan, resistant weeds were confirmed only on paraquat and simazine at the moment. Paraquat resistant Erigeron philadelphicus was first found in mulberry fields located along the Arakawa River in Fukiage/Saitama in 1980, and subsequently in orchard fields at several locations. The other Composite species, such as E. canademis, Conyza Sumatremis and Yungia japonica were also recognized as paraquat resistant in 1980's. In these fields, only paraquat had been used as a split application for several years continuously, and resistant biotypes were 50-100 times tolerant to susceptible biotypes. It was assumed that the single dominant gene or closely linked set of genes was responsible for the resistance. Simazine resistant Poa annua was also found in golf courses in Kansai district, where simazine had been applied for more than several years. This weed is cross-resistant to other triazine herbicides but not to 2,4-D. In case of simazine, the study was very limited in viewpoint of mode of resistance.
机译：在日本的陆地上，目前仅在百草枯和西马津上证实了抗性杂草。抗百草枯的埃里冈隆（Erigeron philadelphicus）费城最早于1980年在福建省/ Sa玉县荒川河畔的桑园中发现，随后在多个地点的果园中发现。其他复合种，例如加拿大假单胞菌，Conyza Sumatremis和Jungia japonica也被认为对百草枯具有抗性。在这些领域中，仅将百草枯连续数年用作拆分产品，抗药性生物型对易感生物型的耐受性为50-100倍。假定单一的显性基因或紧密连接的基因组负责抗性。在关西地区的高尔夫球场中也发现了抗Simazine的Poa annua，该地区已经应用了Simazine多年。该杂草对其他三嗪除草剂具有交叉抗性，但对2,4-D不具有交叉抗性。在使用辛嗪的情况下，从耐药模式的角度来看，该研究非常有限。

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