Abstract: "In order to study the genetic regulation and the difference in growth performance between the mutation and normal celery inbred lines,in this experiment we analysis the segregation of the yellow and green traits in F2 generation group that generated by self cross after crossing yellow mutation CE188H with normal green CE155 through χ2.The result proved that the two phenotypes in the F2 generation group was consistent with the ratio 3∶ 1 and the yellow phenotype was controlled by duad recessive gene.we also measured the index of plant height,open degree,petiole lengths,petiole width,fresh weight,dry weight,the content of chlorophyll a and b,soluble solids content and content of crude fiber of yellow mutation inbred lines CE188H(yel yel) and normal green inbred lines CE188L(YEL YEL) to get acknowledge of the difference between them.We found that the content of chlorophyll a of CE188H is 55.64 percent of CE188L.The leaf number of inbred lines CE188H more than normal CE188L during the grow progress,Also there was a significant difference between CE188H and CE188L in the content of chlorophyll a.There were no significant differences between two inbred lines in petiole width,dry matter content,soluble solids content and a/b values of chlorophyll.Only the content of crude fibre in CE188H is 1.23 times higher than CE188L.In seeding stage,yellow mutations can be used as a marker trait in the production of hybrid seed and purity identification in celery. "

Key words: Celery, Yellow mutant, Genetic regulation, Growth performance

CLC Number: 

• S636.3