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为给小麦条锈病预测及防控策略制定与实施提供科学依据,2010-2011年对采自全国14个省(市、自治区)的条锈菌标样进行了生理小种鉴定和分析。结果表明,在1 014份标样中,共监测到133个致病类型,其中CYR33出现频率达19.7%,与2009-2010年的23.7%相比略有下降,连续二年超过CYR32,居于首位;CYR32出现频率为18.1%(2009-2010年为21.6%),位居第二,主要分布在陕、甘、川地区。供试标样中还有44份被鉴定为贵农22致病类群,出现频率为4.3%,主要分布在四川、甘肃和云南三省,陕西、青海、山西、新疆、贵州和西藏等地亦有分布,应引起育种和推广部门的高度重视。
In order to provide a scientific basis for wheat stripe rust prediction and prevention and control strategy formulation and implementation, from 2010 to 2011, the races of stripe rust were collected and identified from 14 provinces (municipalities and autonomous regions) in China. The results showed that a total of 133 pathogenic types were detected in 1 014 samples. The frequency of CYR33 was 19.7%, slightly down from 23.7% in 2009-2010 and surpassed CYR32 for the second consecutive year The frequency of occurrence of CYR32 was 18.1% (21.6% in 2009-2010), ranking the second, mainly distributed in Shaanxi, Gansu and Sichuan provinces. 44 of the samples tested were identified as Guinong 22 pathogenic groups with a frequency of 4.3%, mainly distributed in Sichuan, Gansu and Yunnan provinces and also in Shaanxi, Qinghai, Shanxi, Xinjiang, Guizhou and Tibet Distribution, should cause breeding and promotion departments attach great importance.