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糖甜菜遗传型单粒种高生产力品种的育种,是目前世界育种的最迫切问题之一。这个方向的目的——获得能完全机械化栽培这个作物的品种。在很多国家里,单粒种糖甜菜之应用于生产,一般地说是甜菜栽培的决定因素,尽管不是所有单粒种品种的每公顷产糖量都能和多粒品种相等。在对多粒种品种所应用的播种量情况下,一公顷上的植株数为200万左右。间苗后剩下的为9——10万株,也就是说90%左右的植株在间苗时被去掉了。
One of the most urgent problems in breeding in the world today is the breeding of high yielding varieties of sugar beet genetic single seed. The purpose of this direction is to obtain a species that can fully mechanize the crop. In many countries, the application of single-seed sugar beet to production is generally a determinant of beet cultivation, although not all single-grain varieties have the same amount of sugar per hectare as multi-grain varieties. In the case of seeding rates applied to multi-seed varieties, the number of plants on one hectare is around 2 million. After the remaining seedlings for the 9 - 10 million, which means that about 90% of the plants in the seedlings have been removed.