玉米群体改良是玉米育种的新方法,最近各国都已开始从事这方面的研究.1978年秋季,作者曾在南斯拉夫诺维萨德大田及蔬菜作物研究所和泽蒙玉米研究所学习考察,今就见闻所及,对玉米的群体改良法作扼要的综述,以供同志们参考.一、南斯拉夫玉米育种研究工作概况南斯拉夫玉米育种方法的沿革与我国大 Maize population improvement is a new method of maize breeding and many countries have started to do research in this field recently. In the autumn of 1978, the author studied and studied at the Institute of Field Crops and Vegetable Crops in Yugoslavia and Zemun Corn Research Institute, As far as I can see, a brief overview of the Corn Improvement Law is provided for comrades’ reference: I. Overview of Yugoslavia Maize Breeding Research The history of Yugoslavia’s maize breeding methods and China’s large