【摘要】 概述了黑龙江省玉米育种现状,根据对玉米种质和优势群的划分及杂优模式的利用,提出了种质创新和改良的方法,对构建新的杂优模式进行了探讨,总结了在吉林省中西部地区,选育适用于黑龙江玉米杂交种应注意的问题。更多还原

【Abstract】 Maize breeding actuality was summarized in this paper,and a method of germplasmatic innovation and improvement was put forward according to maize germplasm and classification of heterotic groups and the use of heterotic pattern.A heterotic pattern constructed for new was probed into.Some questions deserved to be paid attention to in maize breeding was summed up in middle and west regions in Jilin province.更多还原