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我院在六十年代初开展了多倍体无籽西瓜的研究工作,1964年无籽西瓜开始在我国几个主要城市推广试种成功。十多年来,无籽西瓜已在全国大部分省市推广栽培,使我国西瓜生产有了新的发展,并在引变多倍体育种方法上取得了经验。自1970年起在北京进一步开展了多倍体无籽西瓜的育种工作。1974年起先后育成了一批四倍体西瓜品种和无籽西瓜品种,已达到了先进水平。现将几个主要品种介绍如下: 一、北京红花北京红花无籽西瓜品种(封底照片1)是用农杂23号(照片5)四倍体与中育1号(照片6)2倍体西瓜品种配制成的三倍体无籽西瓜。
In the early 1960s, our institute carried out research on polyploid seedless watermelon. In 1964, seedless watermelon began to promote the successful planting in several major cities in China. For more than a decade, seedless watermelon has been popularized and cultivated in most provinces and cities in China, bringing about a new development of watermelon production in our country and gaining experience in inducing polyploid breeding methods. Since 1970, polyploid seedless watermelon breeding has been further carried out in Beijing. Since 1974, a series of tetraploid watermelon varieties and seedless watermelon cultivars have been bred and reached the advanced level. Here are a few of the major varieties are described below: First, Beijing safflower Beijing safflower seedless watermelon varieties (back cover photo 1) is with hybrid No. 23 (photo 5) tetraploid and Zhongyu 1 (Photo 6) 2 times Body watermelon varieties formulated triploid seedless watermelon.