CAJ | 학술논문

玉米是河北省夏播主要栽培作物，并对河北省的农业生产起主导作用。玉米育种和生产的主要目标是提高玉米单产和稳产性，主要途径是在种质利用和杂优模式上进行改良与选择。概述了河北省主要的玉米种质资源、杂优模式及其优缺点；根据种质改良的原则，针对不同种质体系的特点提出了改良意见。
옥미시하북성하파주요재배작물，병대하북성적농업생산기주도작용。옥미육충화생산적주요목표시제고옥미단산화은산성，주요도경시재충질이용화잡우모식상진행개량여선택。개술료하북성주요적옥미충질자원、잡우모식급기우결점；근거충질개량적원칙，침대불동충질체계적특점제출료개량의견。
Maize is the main summer-sown cultivation crop in Hebei Province , and it plays a major role in agricultural production.The main goals of breeding and production are improving maize yield and stability , the main ways are improvement and selection in maize germplasm utilization and heterosis model.The main maize germplasm, heterosis model and its advantages and disadvantages in Hebei Province were summaried , the improvement opinions were put forward according to the principle of germplasm improvement and the characteristics of different germplasm system.