Under low phosphorus conditions, the largeseeded genotypes from the Andean gene pool outperformed the small-seeded genotypes from the Mesoamerican gene pool both in vegetative growth and phosphorus uptake at early stage and in grain yield at harvest.

• 在低磷条件下,来源于安第斯基因库的大粒种子基因型无论是在早期营养生长,对磷吸收,还定最后种子产量均优于来源于中美基因库的中、小粒种子基因型。