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笔者1979年就注意到具有高产素质之一的大粒性,并预先育出了糙米千粒重超过50g的超大粒型系统(BGI),此后,笔者继而又连续育成了大粒型系统,其中,获得了糙米千粒重超过70g的超大粒型系统以及矮秆株叶型良好的大粒型系统(即株系)。现报告如下。
In 1979, the author noticed the large grain size with high yield and pre-breed BGI with a grain weight of more than 50 g in brown rice. Since then, the author has successively bred a large grain system, in which brown rice Jumbo grain systems with a grain weight of over 70 g, and large grain systems (ie lines) with a dwarf leaf pattern. The report is as follows.