甜菜是二年生植物,由播种到种子成熟需要两年的时间,才能完成其生育周期(第一年播种培育母根,第二年采种)。目前我国甜菜产区所繁殖的甜菜种子,是利用春、夏播种的母根,经过越冬贮藏于翌年春季移栽采种。 根据国际材料报导,冬季一月分气温在-4℃等温线以南的地区,种植甜菜,当年不经过起收越冬贮藏的手续,可以在原生长地上露地越冬,于翌年春季仍然继续生长、抽苔、开花、结实。利用这 Beet is a biennial plant that takes two years from sowing to maturity of the seed to complete its reproductive cycle (the first year of sowing and cultivating the parent root and the second year of seed). At present, beet breeding areas in China breeding sugar beet seeds, is the use of spring and summer sowing mother, after winter storage in the following spring transplanting seed. According to the international materials, in winter, when the air temperature is below the -4 ℃ isotherm, beet is planted. In the same year, the beet can be planted in the original habitat without overwintering for storage. In the following spring, the sugar beet continues to grow. , Flowering, strong. Use this