克山马铃薯研究所杂交育种的障碍及解决途径李成军张生（黑龙江省农业科学院马铃薯研究所克山１６１６０６）马铃薯的有性杂交育种，一般分为品种间杂交及种间杂交，目前克山马铃薯研究所主要采取品种间杂交。马铃薯遗传规律比较复杂，新品种出现的机率为十万分之一。因此... Keshan Potato Institute of hybrid breeding barriers and solutions Li Chengjun Zhangsheng (Heilongjiang Academy of Agricultural Sciences, Institute of Potassium Keshan 161606) Sexual hybrid potato breeding, generally divided into inter-species hybrids and interspecific hybrids, Keshan potato research The main varieties to be hybridized. The genetic law of potato is more complex, the probability of emergence of new varieties is one hundred thousandth. therefore...