Analysis of S-allele genotypes and genetic diversity in the apple

被引：8

作者：

Komori, S ^{[1
]}

Soejima, J ^{[1
]}

Abe, K ^{[1
]}

Kotoda, N ^{[1
]}

Kato, H ^{[1
]}

机构：

[1] Japan Int Res Ctr Agr Sci, Okinawa Subtrop Stn, Okinawa 9070002, Japan

来源：

PROCEEDINGS OF THE EUCARPIA SYMPOSIUM ON FRUIT BREEDING AND GENETICS, VOLS 1 AND 2 | 2000年 / 538期

关键词：

Malus x domestica; S-genotypes; incompatibility; breeding;

D O I：

10.17660/ActaHortic.2000.538.9

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

The existence of 9 alleles (Sa - Si) were recognized by pollination test in the apple. The cultivars, which were bred in Japan, consist of 9 to 12 S-allele combinations including undetermined S-alleles. The results from the investigation of perentage indicated that there are 486 to 648 S-alleles in 1165 cultivars and strains. Therefore, sufficient genetic diversity is present in the apple. However, a few cultivars were successful for breeding materials because about 55% of the investigated cultivars derived from the twelve cultivars. These facts suggested past excessive inbreeding. In a forward-looking apple breeding plan, we need to adopt many unused breeding materials, and we need to breed new ones with moderate quality and sufficient genetic diversity.

引用

页码：83 / 86

页数：4

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