Brassica juncea is a variety of Brassica juncea in Cruciferae, which originated in China and is a unique vegetable crop in China. In Sichuan and Chongqing, it is commonly known as Ercai, also known as Jiaoer, Bud, Baoer, Nanchong and so on.

The shortened stems and axillary buds of Brassica juncea are edible, rich in water content, crisp and refreshing, with the unique fragrance of Cruciferae plants, mostly fresh.

Biological characteristics of Ercai;

The growth potential of Ercai is strong, the total number of leaves is about 30, and the axillary buds overlap on the stem in a pagoda shape. Seeds can germinate at 8~ 10℃, and the optimum temperature for seed germination is 22~25℃.

The seedling stage is 60~70 days, and the optimum growth temperature is about 20℃. The swelling period of fleshy stems is about 120 days, and the occurrence and swelling of fleshy lateral buds takes about 1 10 days.

Expansion requires strict temperature. After sowing in autumn, when the temperature drops to about ten-day average temperature 17℃, succulent stems begin to expand. When the ten-day average temperature drops to about 15℃, the lateral buds on succulent stems begin to sprout and expand, and the optimum temperature for axillary buds to expand is 10~ 15℃.

Reference to the above content? Baidu encyclopedia-holding mustard