The role way of major QTL controlling 3 photoperiod sensitive indexes were all additive, its contribution rate were 24.97%, 24.37% and 29.98% respectively, the additive effect direction of these QTLs were identical.

• 控制3个光周期敏感指数的主效QTL的作用方式都为加性；其贡献率分别为24.；97%25、24