Manila clam pedigree and breeding process thereof

摘要

A process for breeding a Manila clam pedigree, includes: directively breeding present Manila clam pedigrees having different shell shapes to obtain a shell shape pedigree (A) having best phenotypic character; directively breeding the shell shape pedigrees (A) from different geographical populations to obtain a geographical population pedigree (B) having best phenotypic character; directively breeding the geographical population pedigrees (B) having different shell colors to obtain a growth shell color pedigree (C) of fastest growth and a resistance shell color pedigrees (E) of highest stress resistance; hybridizing the growth shell color pedigree (C) and the resistance shell color pedigree (E) to obtain a first hybridied pedigree (F1) of faster growth and higher stress resistance than the present Manila clam pedigrees; and directively breeding the first hybridied pedigree (F1) to obtain a second hybridied pedigree (F2) maintaining faster growth and higher stress resistance than the present Manila clam pedigrees.