杂交玉米种子冻害的识别杂交玉米种子受冻后就失去了用种价值，在生产上不能应用。受冻较轻的种子播种后，会出现有芽无根或有根无芽现象，幼苗不发次生根而死亡。因此，学会准确地识别冻害的种子，对种子经销部门，尤其对广大用种农户非常重要。杂交五米种子受冻害的程度... Recognition of frostbite on hybrid corn seeds Hybrid corn seeds lost the value of their seeds after they were frozen and can not be used in production. Slightly frozen seeds are sown, there will be no root buds or roots without bud phenomenon, seedlings do not send secondary roots and death. Therefore, learning to accurately identify the seeds of frost damage, is very important to the seed distribution department, especially for the majority of farmers. Crossing five meters of seeds by the degree of frost damage ...