在改良作物品种方面,为了扩大作物的遗传变异范围,收集并保存基因资源是很重要的。日本苹果自明治初年开始到现在(译者按:已110多年),引进或育成的品种已达1,000余个,1973年果树试验场盛冈支场在有关单位的协助下,收集并保存了687个品种(包括枝变系统,但不包括野生种和小苹果类 In improving crop varieties, it is important to collect and conserve genetic resources in order to increase the range of genetic variation in the crop. Japanese apple since the early Meiji began until now (Translator: has been more than 110 years), introduced or bred varieties have reached more than 1,000 in 1973, fruit tree test site Morioka branch with the help of the relevant units, collected and preserved 687 varieties (including branching systems, but excluding wild species and small apples