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感官鉴别法:十字花科蔬菜、如白菜、萝卜等,新鲜种子的表皮光滑,用指甲能压成饼,油脂多,子叶黄绿色。陈种子表面发暗,压挤时易碎,有哈喇味,子叶深黄色。茄科蔬菜如茄子,新种子乳黄色发光,用牙咬种子易滑落,陈种子土黄色,易咬住。瓜类蔬菜,新种子的种仁黄绿色,油脂多,有香气,陈种子的种仁深黄色,有哈喇味。豆类蔬菜新种子色泽光亮、脐白、较硬,陈种子色暗、脐黄。辣椒的新种子辣味大,陈种辣味小。芹菜新种子色黄,味浓,陈种子深黄、味淡。菠菜新种子黄绿色,陈种子土黄色。催芽鉴别法:在25—30℃的条件下催芽,黄瓜1—2天发芽;番茄、菜豆2—3天;茄子、辣椒4—7天。白菜、萝卜在20—25℃条件下,2—3天发芽。芹菜在15—20℃条件下,需5—6天。新种子发芽快,发芽率高。在催芽过程中,要勤检查、勤翻动,适当加水,使种子受热、吸水均匀。
Sensory identification method: cruciferous vegetables, such as cabbage, radish, etc., the surface of fresh seeds is smooth, with nails can be pressed into cakes, more fat, cotyledons yellow-green. Chen seed surface dark, crush crush, Kazakhstan taste, cotyledons dark yellow. Solanaceae vegetables such as eggplant, new seed milk yellow glow, easy to slide bite teeth with teeth, Chen earth yellow, easy to bite. Melons vegetables, the seed of the new seed yellow-green, fat and more, aroma, Chen seeds seed dark yellow, with Kazakhstan-flavored. The new seeds of beans, vegetables, bright color, umbilical white, harder, Chen seed color dark, umbilical yellow. Pepper’s new seeds spicy, Chen spicy small. New celery color yellow, rich flavor, Chen seed dark yellow, light taste. New yellow-green spinach, Chen seed khaki. Germination identification method: germination at 25-30 ℃ conditions, 1-2 days of cucumber germination; tomatoes, beans 2-3 days; eggplant, peppers 4-7 days. Cabbage, radish at 20-25 ℃ conditions, 2-3 days germination. Celery in the 15-20 ℃ conditions, take 5-6 days. New seeds germinate fast, high germination rate. In the process of sprouting, to check ground, ground flip, appropriate water, the seeds heated, water evenly.