一些国外和罗马尼亚品种在罗马尼亚育种计划中的分子筛选

Q4 Agricultural and Biological Sciences

Fruit Growing Research Pub Date : 2022-12-22 DOI:10.33045/fgr.v38.2022.11

Adina Iancu, S. Cosmulescu

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引用次数: 0

摘要

从1996年到现在，罗马尼亚共培育了70个改良品种。它们中的一些表现出对赤霉病的抗性，是各种专门研究中描述的一些基因的载体，但一段时间以来，在已知具有抗性的品种中观察到对病原体不均等Venturia的抗性降低，因此必须在育种计划中启动杂交重组。在这项研究中，对罗马尼亚育种项目中用于培育品种的一些亲本进行了分子筛选。本研究中引入的苹果品种用以下分子标记进行分化：Rvi6基因的AL07、AM19、Vfc；Rvi2和Rvi8基因的OPL19；Rvi4基因的AD13，Rvi5基因的OPB12和Hi07ho2，其中一些品种被鉴定为携带两个以上的抗性基因（“Florina”、“Romus 3”、“Romus 4”、“Romus 5”、“Pionier”和“Starkrimson”）。

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THE MOLECULAR SCREENING OF SOME FOREIGN AND ROMANIAN VARIETIES USED IN BREEDING PROGRAMS IN ROMANIA

In Romania, 70 ameliorated varieties were created starting in 1996 and until now. Some of them show resistance to scab, being carriers of some genes described in various specialized works, but, for some time, a decrease in resistance to the pathogen Venturia inaequalis has been observed in varieties known to be resistant, so must be initiated a reorganization of the hybridization in breeding programs. In this study, a molecular screening was performed for some of the parents that were used to create the varieties in breeding programs from Romania. The apple varieties introduced in this study were differentiated with the following molecular markers: AL07, AM19, Vfc for the Rvi6 gene; OPL19 for Rvi2 and Rvi8 gene; AD13 for the Rvi4 gene, respectively OPB12 and Hi07ho2 for the Rvi5 gene, some of the varieties being identified as carrier more than two resistance genes ('Florina', 'Romus 3’, 'Romus 4’, 'Romus 5’, 'Pionier’ and 'Starkrimson’).

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来源期刊

Fruit Growing Research Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.10

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： FRUIT GROWING RESEARCH is an international journal, which has been issued under the care of the Research Institute for Fruit Growing Pitesti, Romania. Fruit growing research is an annual journal aimed at disseminating significant research and original papers on genetic resources, breeding of deciduous fruit trees species; fruit sustainable technologies – environment protection; propagation, virology and tissue culture, postharvest, that can be of interest to a wide audience of plant scientists in all areas of fruit growing. An international Editorial Board advises the journal.