Studies on self-and cross-incompatibility in the autotetraploids of Brassica pekinensis:II. Gene analysis in the offspring originated from several secondary crosses

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概要

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• The results of selfing and crossing experiments in the offspring which were obtained by several secondary crosses are follows:-1. In S1S1S1S1×S1S1S2S2, S2S2 and S1S2 pollens have function on S1S1S1S1 style.2. In S1S1S1S1×S1S1S4S4, S4S4 and S1S4 pollens are functionable on S1S1S1S1 style, but there is a certation between both pollens. S4S4 is more functionable than S1S4.3. In S1S1S4S4×S1S1S3S3, S3S3 and S1S3 pollens have function on S1S1S4S4 style, and in the reciprocal crossing, S4S4 and S1S4 pollens are functionable on S1S1S3S3 style.4. Cross combinations with SaSaSaSb×SaSaSaSa are incompatible, while those with SaSaSaSb×SbSbSbSb and SaSaSaSb×ScScScSc are compatible.5. The fertilities of cross combinations with SaSaSaSb×ScScScSc are higher than those of SaSaSaSb×SbSbSbSb.6. On SaSbScSc style, SaSa, SbSb and ScSc pollens are not functionable.7. S1S1S1S2 and S1S2S3S3 are self incompatible.

• 日本遺伝学会の論文

著者

• 柴田 寛三

  東京農業大学千葉農学部

関連論文

• Studies on self- and cross-imcompatibility in the artificial autotetraploids of Brassica pekinensis:I. Results of the primary and the secondary crosses based on the four different strains with perfectly homozygous genotype for oppositional genes
• Studies on self-and cross-incompatibility in the autotetraploids of Brassica pekinensis:II. Gene analysis in the offspring originated from several secondary crosses

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