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鉴定了６７份山东省高粱地方品种对Ａ_２细胞质不育系的育性反应，筛选出一批保持类型品种，并发现山东高粱地方品种中Ａ_２不育系的保持品种多于Ａ_１不育系的保持品种。
A total of 67 varieties of Sorghum cultivars from Shandong Province were identified as fertile responses to A 2 CMS lines and a number of maintainer types were screened. It was found that A 2 CMS lines in Shandong sorghum were more retained than A 1 CMS lines Variety.