Low-P stress prolonged the growing time and delayed tasselling, earing, pollen-shedding, silking of P-sensitive genotypes but it had little effect on the P-resistant genotypes.

• 受低磷影响，敏感自交系的抽雄期、抽穗期、吐丝期和散粉期都显著延迟，而耐低磷自交系受影响较小或几乎不受影响。