Acid phosphatase polymorphism within and among populations of Cauliflower (Brassica oleracea var botrytis)

Genetics and Molecular Biology

Celso Luis Marino¹  Marcos Aparecido Gimenes¹  Norberto Da Silva²  Catalina Romero Lopes¹ 

[1] ,UNESP Faculdade de Ciências Agronômicas Departamento de Agricultura e Melhoramento de PlantasBotucatu São Paulo ,Brasil

关键词: isoenzyme;    polymorphism;    cauliflower;   

DOI  :  10.1590/S1415-47572002000100015

来源: SciELO

【 摘 要 】

Eighty-one lines of cauliflower (Brassica oleracea var. botrytis) from 12 populations used to produce commercial hybrids in Brazil were screened for polymorphism in the acid phosphatase system, in order to evaluate the usefulness of this marker for the determination of the parental contamination level in hybrid seeds. Little polymorphism was detected in the examined lines, but the system appeared to be very useful for hybrid identification, since the only condition required was polymorphism between the two parental lines. If the analyzed lines were used for hybrid production, 8.4% and 12.3% of the possible crosses would result in hybrids which can be positively identified using the APS-1 and B1 loci, respectively. If only one plant of each homozygous type (SS or FF) was analyzed in each population, 41% and 50% of the possible crosses would result in hybrids which can be positively identified using the APS-1 and B1 loci, respectively.

【 授权许可】

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