“Regent”谱系更新：祖先、后代及其已确认的抗性基因座

IF 1.1 4区农林科学 Q3 HORTICULTURE

Vitis Pub Date : 2021-10-26 DOI:10.5073/VITIS.2021.60.189-193

Franco Röckel, O. Trapp, E. Zyprian, L. Hausmann, D. Migliaro, S. Vezzulli, R. Töpfer, E. Maul

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引用次数: 4

摘要

“Regent”是德国种植面积最高的抗真菌葡萄品种，也是国际育种计划中的重要抗真菌供体。它携带的抗性位点Rpv3.1以及Ren3和Ren9分别对霜霉病和白粉菌。由于“Regent”的抗性父系祖先“Chambourcin”的父母与育种家的信息不一致，因此对JKI Geilweilerhof的种质库进行了筛选，以寻找缺失的祖先。SSR标记分析表明，“Joannes Seyve 11369”和“Planet”是“Chambourcin”的真正父母，而不是“Seyve Villard 12-417”和“Chancellor”。此外，抗性基因座Ren3和Ren9的起源可以追溯到基因型“Seibel 4614”和“Munson”。由于饲养员Hermann Jaeger提到“Munson”是葡萄的直系后裔。这些野生物种中的一个可能是基因座的供体。

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A 'Regent' pedigree update: ancestors, offspring and their confirmed resistance loci

'Regent' is the fungal resistant grapevine cultivar with the highest acreage in Germany and an important resistance donor in international breeding programs. It carries the resistance loci Rpv3.1 as well as Ren3 and Ren9 against downy and powdery mildew, respectively. As the parents of 'Chambourcin', the resistant paternal ancestor of 'Regent', did not coincide with the breeder's information, the germplasm repository of JKI Geilweilerhof was screened to find the missing ancestors. SSR marker analysis revealed that 'Joannes Seyve 11369' and 'Plantet' are the true parents of 'Chambourcin' and not 'Seyve Villard 12-417' and 'Chancellor'. Furthermore, the origin of the resistance loci Ren3 and Ren9 could be traced back to the genotypes 'Seibel 4614' and 'Munson'. Since the breeder Hermann Jaeger mentioned 'Munson' as a direct descendant of Vitis aestivalis Michx. var. linsecomii (Buckley) L. H. Bailey and Vitis rupestris Scheele, one of these wild species might have been the donor of the loci.

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来源期刊

Vitis 农林科学-园艺

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： VITIS publishes original scientific papers and critical reviews concerning grapevine biology, molecular biology, breeding, plant pathology, oenology and related fields. Research with a focus on pharmacology or post-harvest technology is not suitable for publication in VITIS.