黄改系在吉林省玉米育种与生产中的利用前景分析

黄改系即黄早4及其改良的衍生系,具有配合力高、株型好、耐旱耐瘠、适应性广等特点。统计分析吉林省1980～2006年审(认)定的358个品种亲本种质表明,我省利用黄早4及其改良衍生系组配的杂交种90个,自选黄改系29个,其中吉单180、四单19、吉单209、通吉100、郑单958、银河101等种植面积较大,为吉林省粮食生产、畜牧业及加工业的发展做出了突出贡献。针对黄改系及其组配杂交种耐旱、质优、耐密特性,浅议在吉林省玉米育种与生产上进一步应用的发展前景。指出今后我省利用黄改系应注意的几个问题。

Analysis on the Prospects of Utilization of "Huangzao 4" and Its Improved Lines in Maize Breeding and Production in Jilin Province

"Huangzao 4" and its improved lines has been widely used because of its characteristics,such as high and stable combining ability,good plant shape,the tolerance to drought and poor fertility soil,ability to adapt to wide range of circumstance.Statistical analysis of 358 hybrids which were released in Jilin Province during 1980-2006 showed that 90 corn hybrids,29 improved lines were derived from "Huangzao 4" and its improved lines.Among these corn hybrids,"Jidan 180","Sidan 19","Jidan 209","Tongji 100","Zhengdan 958" and "Yinhe 101" were widely grown,which has made great contribution in grain production,the development of animal husbandry and the processing industry of Jilin Province.For the characteristic of the drought resistance,good quality,compact maize in "Huangzao 4" and its improved lines and corn hybrids,the prospects of its further application in maize breeding and production in Jilin province was discussed.Several issues on the utilization of "Huangzao 4" and its improved lines in our province which should be paid attention to were pointed out in the paper.