作为优良的玉米杂交种籽,必须要求籽粒饱满、整齐、发芽率高、色泽好、纯度高。从收获到种子公司收购这段时间必须把好收获、脱粒、晾晒、贮存等七大关,才能得到质量高优良杂交玉米种子。 一、忌湿脱粒。杂交玉米一般9月下旬——10月上旬成熟,收穗后应在穗上晾干后脱粒。切忌湿脱粒,以防把胚拔掉,影响发芽,同时籽粒也易皱 As a good hybrid corn seed, you must require full grain, neat, high germination rate, good color, high purity. From the harvest to the acquisition of seed companies this time must be good harvest, threshing, drying, storage and other seven major clearance, in order to get high quality and excellent hybrid corn seed. First, avoid wet threshing. Hybrid corn generally late September - early October mature, after the ear should be spike on the ears after threshing. Avoid wet threshing, to prevent the embryo unplug, affecting germination, while the grain is also easy to wrinkles