旱地花生出苗后３０ｄ左右始花，花期６０ｄ。始花２０ｄ后进入盛花期，有７０％～８０％的花在始花至盛花期内开放。挂牌标记各期果针入土结实的结果表明：旱地花生有效花终止期为始花后３０ｄ，有效果针入土终止期在收获前６０ｄ。 Dry peanut began about 30 days after emergence, flowering 60d. The first flowering into the flowering after 20d, 70% to 80% of the flowers in the flowering period to open. The results of listing the fruit of each stage of fruit tagging showed that the effective flower ending time of peanut in dry land was 30 days after the beginning of flowering and the ending period of effective needle penetration was 60 days before harvesting.