垩白米的产生 ,严重影响了稻米的外观品质及蒸煮、食味品质。垩白米的有无和大小在一定程度上受遗传基因型控制 ,但也受高温和光照强度及施肥等因素的影响。本文在综述了各种因素对垩白米形成的影响基础上 ,总结了降低垩白米的农业措施 The production of chalky rice has seriously affected the appearance quality and cooking and eating quality of rice. The presence and size of chalky rice is controlled to some extent by genotypes, but is also affected by factors such as high temperature, light intensity and fertilization. Based on an overview of the impact of various factors on the formation of chalky rice, the paper summarizes the agricultural measures to reduce chalky rice