种子质量感观识别技术一、眼看。１、看颜色。新种子、好种子颜色鲜艳；陈种子、坏种子颜色暗淡。特别注意，看种子脐部，正常为黄白色，若发暗变黄褐色，说明种子受热，如果种脐有水浸状并呈红褐色，说明种子受冻，均不能作种。２、看光泽。新种子有光泽，经长寸间贮存，... Sense of seed quality identification technology First, see. 1, see the color. New seeds, good seeds, bright colors; Chen seeds, bad seeds, dark colors. Special attention to look at the umbilical cord, the normal yellowish white, dark hair if the dark brown, indicating that the seed is heated, if the umbilical and watery reddish brown, indicating that the seeds are cold, can not be used as seed. 2, look shiny. New seeds shiny, long-term storage, ...