Jujube, also known as dried jujube and jujube, originated in China and has been planted for more than 8,000 years. Since ancient times, it has been listed as one of the "five fruits" (chestnut, peach, plum, apricot and jujube) and is known as the "king of vitamins".

Dongzao, also known as Frozen Jujube, Yanlaihong, Apple Jujube and Rock Sugar Jujube, is currently recognized as a fresh and high-quality cultivated variety. The fruit of Dongzao is nearly round, with smooth surface, like a small apple, and the juice is sweet and slightly sour. Winter jujube is rich in nutrition. The pulp of winter jujube is rich in 19 kinds of amino acids and vitamins A, B, C, D, etc. In addition to other nutrients in jujube fruit, the content of vitamin C is also relatively high.

First, growing habits

Jujube: a positive tree species in warm temperate zone. A sunny and dry climate. Cold, heat, drought and waterlogging tolerance. The requirements for soil are not strict. Besides swamps and alkaline soils, plains, sandy land, valleys and mountains can all grow. The adaptive range of pH is 5.5-8.5, and fertile slightly alkaline or neutral sandy loam grows best. Developed root system and strong tillering ability. Smoke resistance. Not resistant to water mist.

Winter jujube: the main bud has strong germination ability, the secondary branches are easy to grow in polarity, the jujube hanging stops growing late, it blooms early and bears strong fruit, the natural fruit setting rate is low, the tree grows greatly, and the jujube flowers bloom at night.

Second, the difference of fruit color

When the winter jujube is ripe, the sunny side is red, and the other parts are bluish white. The whole jujube is big red when it is ripe and redder when it is dry. Maturity: Winter jujube ripens later than common jujube, in the middle of 10, when the weather is cold. Jujube can ripen in summer. Tasting: Dongzao jujube has large fruit, thin skin and crisp flesh. And the fruit of jujube is very small.

Third, the maturity is different.

Winter jujube ripens later than common jujube, and when the weather turns cold in the first ten days of 10/0 every year, the varieties with early maturity also ripen in the first ten days of September. Jujube trees generally bloom in late spring, mature in summer and almost disappear in autumn.

Fourth, tastes are different.

Winter jujube has large fruit, thin skin and crisp meat. Jujube has smaller fruit and larger stone.