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| Content Provider | Springer Nature Link |
|---|---|
| Author | Tao, R. Habu, T. Namba, A. Yamane, H. Fuyuhiro, F. Iwamoto, K. Sugiura, A. |
| Copyright Year | 2002 |
| Abstract | Self-compatible cultivars of Japanese apricot (Prunus mume Shieb. et Zucc.), a tree species that normally shows S-RNase-based self-incompatiblity, have a horticultural advantage over self-incompatible cultivars. Inheritance of self-compatibility and a common S f-RNase allele that is observed in self-compatible cultivars was investigated using progenies from controlled crosses. Total DNAs were isolated from the parents and progenies of seven crosses that included at least one self-compatible cultivar as a parent. These DNAs were PCR-amplified with the Pru-C2 and PCE-R primer pair to determine S-haplotypes of the parents and progenies. A novel S-haplotype, S 8, was found. In all crosses examined, the S f-RNase gene was inherited from either the seed or pollen parent as a pistil S-allele in a non-functional S-haplotype. Self-compatibility of about 20 trees each from reciprocal crosses of 'Benisashi (S 7 S f)' and 'Shinpeidayu (S 3 S f)', and 26 selections from 16 different crosses was tested by pollination and pollen-tube growth studies. Cosegregation of the S f-RNase allele and self-compatibility was confirmed with all but selection 1K0-26 (S 3 S 7). Selection 1K0-26 (S 3 S 7) that originated from 'Benisashi (S 7 S f)' × 'Koshinoume (S 3 S f)' appeared to be self-compatible even without the S f-RNase allele. The possible role of pollen-S, a presumably existing pollen component of gametophytic self-incompatibility, is discussed. |
| Starting Page | 222 |
| Ending Page | 228 |
| Page Count | 7 |
| File Format | |
| ISSN | 00405752 |
| Journal | Theoretical and Applied Genetics |
| Volume Number | 105 |
| Issue Number | 2 |
| e-ISSN | 14322242 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-06-21 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Biotechnology Agronomy and Crop Science |
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