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一、什么是良种?生产上应用的良种是指具备优良种性的优质种子,包含两层意思:一是指优良品种,即经人工选育或者发现并经过改良,植物学特征和生物学特性表现一致、遗传性状相对稳定的植物群体。对于主要农作物如小麦、玉米、棉花、大豆、马铃薯等作物的品种,在购买时注意选用通过国家或甘肃省农作物品种审定委员会审定的品种。二是指优良的种子,即种子质量指标达到国家规定的标准。如玉米种子质量国家标
First, what is a good seed? The production of good seed is used to refer to good seed with good quality, contains two meanings: First, refers to the fine varieties, that is, artificial breeding or found and improved, botanical characteristics and biological characteristics Consistent performance, relatively stable genetic traits of the plant population. For varieties of crops such as wheat, corn, cotton, soybeans and potatoes, pay attention to the selection of the varieties approved by the national or Gansu Provincial Crop Variety Approval Committee at the time of purchase. Second, refers to the fine seeds, that is, seed quality indicators meet the standards set by the state. Such as corn seed quality national standard