玉米优质玉米杂交种,色泽一致,胚及胚乳部位不变色,且没有机械损伤及秕粒。只要玉米种胚部位不受冻,即使有黑点仍是好种子,可以使用。陈、新玉米种子的区别:一般陈种子经过较长时间的贮存和干燥,颜色变得深暗,胚部较硬,易受虫蚀,细看往往有虫眼,将手伸进种子堆内拔出时,手上有粉末。 Corn High quality corn hybrids, the same color, embryo and endosperm parts do not change color, and no mechanical damage and tablets. As long as the corn embryo parts are not frozen, even if the black spots are still good seeds, you can use. Chen, the difference between new corn seeds: General Chen seeds after a longer period of storage and drying, the color becomes darker, embryo hard, susceptible to insect erosion, look often have insect eyes, hand into the seed pile pull When out, there is powder on hand.