张丹;庄振;季英磊;尚晓冬;张美彦;章炉军;

• 1:上海市农业科学院食用菌研究所国家食用菌工程技术研究中心
• 2:山东七河生物科技股份有限公司

摘要(Abstract)：

以香菇L808菌株基因组序列为参照，开发了300份插入/缺失(InDel)标记。通过5个菌株的初筛，选出均匀分布于基因组的82份多态标记对42份香菇种质资源进行遗传背景分析。同时在设施化栽培条件下考察了种质资源的生育期、菌棒转色、菌棒硬度、现蕾期和产量等表型。结果表明：供试香菇种质资源的遗传多样性丰富，栽培菌株与野生菌株的遗传距离较远，遗传相似性系数平均值为0.51。群体结构分析将种质资源分为6个亚群，与基于遗传距离的系统聚类结果较为一致。亚群间菌株具有较远的亲缘关系，遗传分化指数平均值为0.290，适合用于杂交育种。表型结果显示，设施化栽培条件下的种质资源农艺性状分化程度高，亚群间菌株的生育期、现蕾期和产量均有显著差异。种质资源多样性分析结果为香菇杂交育种工作奠定了基础。

关键词(KeyWords)： 香菇;InDel标记;遗传多样性;表型;杂交育种

Abstract:

Keywords:

基金项目(Foundation): 上海市现代农业产业技术体系(沪农科产字2022第9号)~~

作者(Authors): 张丹;庄振;季英磊;尚晓冬;张美彦;章炉军;

DOI: 10.13346/j.mycosystema.220135

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