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用从国内16个小麦主产省收集的112个小麦主栽品种及抗源,分析测定秆锈菌新致病小种21C3CTR的致病谱,并与国内另7个致病小种21C3CKH,21C3CKP,34MKG,34MKH,34C2MKR,34C2MFG5和34C2MFR的致病谱进行比较,21C3CTR的致病谱为43.8%,另7个致病小种的致病谱则分别为44.6%,48.3%,52.7%,56.3%,45.5%,66.8%,21C3CT