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检测了北京郊区大棚蔬菜作物灰霉病菌抗药性频率，灰霉菌对多菌灵和速克灵的抗性菌株率分别为５１４％和１１０％，双抗菌株率为８３％。
The frequency of resistance to Botrytis cinerea in greenhouses in Beijing suburbs was detected. The rates of resistant strains to carbendazim and sck in Botrytis cinerea were 514% and 110%, respectively. The rate of double-strain strains was 8.3% .