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感观识别种子好坏1.眼看:一看颜色。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,玉米种子脐部多为黄白色,如果发暗变黄褐色,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,均不能做种。二看光泽。新种子有光泽,经长时间贮存...
Sensory identification of seeds is good or bad 1. See: a look at color. New seeds, good seeds, bright colors; Chen seeds, bad seeds, dark colors. Special attention to see the umbilical cord, corn umbilical mostly yellowish white, if the dark brown hair, indicating that the seed is heated; if the umbilical and watery reddish brown, indicating that the seeds are cold, can not do species. Second look shiny. New seeds shiny, after long storage ...