Varions areas or countries in the world are divided into 10 groups as follows : the western part of Asia , India and Pakistan , Japan and Korea , Africa , North America , Latin America , Italy and France , Eastern Europe , Northwestern Europe , Oceanica . The general manifestations of wheat varieties from each group and results of the corresponding representative varieties used in wheat production and breeding in China were described in detail .

将世界各地分为：亚洲西部、印度和巴基斯坦、日本和朝鲜、非洲、北美洲、拉丁美洲、意大利和法国、东欧、西北欧、大洋洲等10组国家和地区，分别详细介绍了各该组国家和地区小麦品种在中国的表现，及其代表性品种在我国生产和育种中利用的情况。