NDLI: Aspects of fusion combining ability of dihaploidSolanum tuberosum L.: influence of the cytoplasm

Content Provider	Springer Nature Link
Author	Frei, Ursula Stattmann, Marietta Lössl, A. Wenzel, G.
Copyright Year	1998
Abstract	Creation from 4x hybrid clones from protoplast fusion of 2x clones of potato was evaluated. Besides combined nuclear genomes, composition of the cytoplasm significantly influenced the phenotypic traits of hybrid clones. To ascertain the influence of parental cytoplasm on the success of protoplast fusion and regeneration of hybrid plants, data from 74 fusion combinations of 50 dihaploid clones were analyzed. The majority of dihaploid breeding clones belonged to the cytoplasm types Wα, Tβ and Wγ.When the closely related mt types α, β and γ were used, fusion combinations had a better combining ability compared with more distantly related cytoplasms δ and ⃛. Fusions containing the same mitochondrial type (homofusions) were not superior to closely related mitochondrial types. However, homofusions of cytoplasm type Wα yielded significantly more hybrids than homofusions of type Tβ. In general, parental cytoplasm types had little impact on the fusion combining behaviour. Thus the cytoplasm type of the fusion parents is not a suitable marker for predicting the combining ability in protoplast fusion experiments.
Starting Page	155
Ending Page	162
Page Count	8
File Format	PDF
ISSN	00143065
Journal	Potato Research
Volume Number	41
Issue Number	2
e-ISSN	18714528
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Life Sciences Agriculture Plant Sciences Plant Genetics & Genomics Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Food Science Agronomy and Crop Science

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