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Multigenic self incompatibility in hexaploidChrysanthemum

โœ Scribed by Joseph S. Zagorski; Peter D. Ascher; R. E. Widmer

Publisher
Springer
Year
1983
Tongue
English
Weight
451 KB
Volume
32
Category
Article
ISSN
0014-2336

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โœฆ Synopsis

Eleven garden chrysanthemum siblings obtained through two generations of single-plant selfpollination were selfed and crossed in a complete diallel. Outcrosses to unrelated individuals were performed to test for male and female fertility.

Since eleven crossing patterns were found in the diallel, at least three genes must be assumed.

Our data suggest independent gene action with intragenic dominance.

One inbred, 77-AM3-3, expressed a high level of pseudo-self-compatibility (PSC) by giving some very low cross seed sets along with high self seed set. This inbred also exhibited variable PSC from season to season.

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