PN78599种质在我国玉米育种和生产中的应用

PN78599是20世纪80年代后期由美国先锋公司引入到我国的优良玉米杂交种,因其具有一般配合力高、品质优、抗倒伏、抗叶病表现突出等特点,全国各大育种单位相继以其为基础材料直接或间接选育出一批优良自交系,组配出一批高产、高抗、优质的玉米新品种应用到生产。主要利用的杂优模式为P群与塘四平头群、旅大红骨群、瑞德群、兰卡斯特群等。

Usage of PN78599 Group Germplasm in Breeding and Produce of Maize in China

PN78599 was introduced from the U.S. Pioneer in the late 1980s, which belonged to tropical corn hybrids, because of its high general combining ability, good quality, lodging resistance, outstanding resistance to leaf disease, the major breeding units have been based on material in its breeding of a group, directly or indirectly applied to the production of inbred lines, the group with a group of high-yield, high resistance, high-quality new varieties of maize for maize production in China. The main use of heterotic patterns for PN78599 group germplasm cross Tangsipingtou, Luda reid cob group, Reid group, Lancaster group, etc.