推广应用于大田生产的作物品种,除必须具有优良品质外,更主要的是必须具有丰产性和稳产性。 品种的丰产性是指品种在单位面积上获得经济价值产品最高产量的能力;品种的稳产性是指品种的适应性,它包括适应的范围和适应的程度。适应性的问题,不仅与个体和群体的特 Promote the field of crop varieties used in production, in addition to must have good quality, more importantly, must have high yield and stability. Variety of high yield is the ability of varieties to get the highest output of economic value per unit area. The stability of varieties refers to the adaptability of varieties, which includes the scope of adaptation and the degree of adaptation. Adaptability issues, not only with the individual and group special