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在农业生产中,选用优良品种和种植纯度高、质量好的种子是实现农业高产稳产的重要途径。一般认为,良种在农业增产诸因素中的作用约占40%左右。优良品种通常包括两个含义:一是品种本身高产、稳产、优质、抗病;二是种子质量要好。质量是种子的生命,要生产出质量好的种子,必须搞好良种繁育技术的研究与改革。
In agricultural production, the selection of fine varieties and cultivation of high purity and good quality seeds is an important way to achieve high and stable agricultural output. It is generally believed that the role of elite in agricultural production increases about 40%. Good varieties usually include two meanings: First, the variety itself is high yield, stable yield, high quality, disease resistance; Second, the seed quality is better. Quality is the life of seeds. To produce seeds with good quality, we must do a good job of researching and reforming seed breeding techniques.