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1 用二圃法生产大豆原种是可行的合丰25大豆在我省全面推广以来,年播种面积已超过1万亩,随着年年岁岁的种植,机械混杂和自然变异逐渐增加,混杂退化现象日趋严重。为了恢复和保持合丰25原来的优良种性,我公司从1988年开始积极引入原原种,同时在原原种稀植田内选拔优良典型单株,开展株行整理,逐步有计划的采用二圃法生产原种。
It is feasible to produce soybean raw material by two-nursery method Hefei 25 soybean has been widely popularized in our province, the annual sown area has exceeded 1 million mu. With the growing of the year-old, the mechanical hybrid and natural variation gradually increase, mixed Degradation is worsening. In order to restore and maintain Hefeng twenty-five original good nature, our company actively introduced the original seed from 1988, at the same time in the original species of rare plant selection of fine typical single plant, to carry out plant line finishing, and gradually plan to use two nursery Law production of the original species.