桃树抗寒育种的重大突破──血寒１号桃血寒１号桃是吉林省公主岭市寒地果树研究所选育的抗寒品种。经多年的耐寒试验，表现出令人惊异的抗冷性，在大田露地直立栽培（无任何覆盖材料）能安全通过－３５℃的低温，首次突破了我国北部极寒区不能植大果桃的禁区，迄今为止尚... Peach a major breakthrough in the breeding of cold ─ ─ blood No. 1 peach cold blood No. 1 peach Gongzhuling City, Jilin Province Institute of cold fruit breeding cold-resistant varieties. After years of cold-resistant test, showing the amazing cold resistance, open upright cultivation in the open field (without any covering material) can safely pass the low temperature of -35 ℃, for the first time exceeded the arctic region in northern China can not plant large peaches Closed area, so far still ...