Which of the following govern sporophytic self-incompatibility in Brassica?
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SI in Brassica vegetables belongs to SSI and is sporophytically controlled by the S-locus. Three tightly linked genes are distributed on the S-locus, including SRK (S-locus receptor kinase), SLG (S-locus glycoprotein), and SCR (S-locus cysteine-rich protein)/SP11 (S-locus protein 11).
Sporophytic self-incompatibility in Brassica is governed by the S-gene complex (S-locus). This locus contains genes that control the recognition between pollen and stigma, preventing self-fertilisation. The key components are SRK (S-Receptor Kinase) in the stigma and SCR/SP11 in the pollen. Their interaction determines whether pollen is accepted or rejected.
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