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许多老先生在退休之际都以自己一生的实践经验和切身感受,告诫后来者,中国玉米育种缺少有效的种质资源是最重要的限制因素。这么多年来,由于工作关系和经历,我恰好接触了世界许多国家的玉米种质和育
Many old gentlemen relied on their own practical experiences and personal experiences in their retirement. They cautioned later that the lack of effective germplasm resources for maize breeding in China is the most important constraint. For so many years, due to my working relationship and experience, I have just touched on maize germplasm and fertility in many countries of the world