乔纳金结果早、丰产性强、果个大、外观美、品质好、生食和加工兼用,较耐贮藏。在世界各地19位苹果专家评比结果中,以满票名列榜首。近几年我国引进推广面积较大,早结果、早丰产性表现尤为突出。现提出以下几方面问题请果农和果树工作者在栽培中注意。 1.发展最佳的品系。最早的乔纳金为美国用金冠×红玉杂交育成,1968年发表,1979引入我国。按着色难易分,极易着色的是威尔摩塔(荷兰),依次为顶金(荷兰)、乔尼卡(德国)、红乔纳金(比利时)、新乔纳金(日本),另有芽变品 Jonathan results early, high yield, fruit a large, beautiful appearance, good quality, raw food and processing both, more resistant to storage. Out of 19 Apple experts around the world, the top spot was the full vote. In recent years, China introduced a large area for promotion, as early as the early yield performance is particularly prominent. Now ask the following questions asked fruit growers and fruit trees in the cultivation of attention. 1. Develop the best strains. The earliest Jonathan for the United States with Golden Cross × red jade hybrid breeding, published in 1968, 1979 into China. According to coloring easy points, easily colored Willmore Tower (Netherlands), followed by top gold (Netherlands), Jonica (Germany), red Jonathan (Belgium), the new Jonathan (Japan) Another bud change products