Sonchus is a perennial herb of Compositae and Sonchus. The root is erect, the stem is erect, the height can reach 150 cm, there are many basal leaves, the leaves are oblique semi-oval, oval, oblique triangle, semi-circular or ear-shaped, and the top lobe is slightly larger, oblong, oval or ovoid; The heads are arranged in corymbs at the top of stems and branches.

The involucre is bell-shaped, the outer layer of the bract is lanceolate, and there are many small ligulate flowers, yellow. Achene is slightly flat, rectangular, with white crown hair, which blooms and bears fruit from June to September.

Propagation method of chicory

Sonchus sonchifolius is propagated mainly by underground stolons, and some of it is propagated by seed sowing. In the first ten days of April, when the shoots of wild sonchus sonchifolius broke through the soil, the underground roots were scraped off, and the soil was washed away with a high-pressure water gun. According to the length of the upper internode, the stem was cut into short sections of 5- 10 cm with a straw cutter.

The underground stolon of endive is a fleshy stem, which is easy to lose water and wither. After short cutting, it should be planted in time to prevent excessive water loss and reduce the survival rate. When planting, shallow ditches with a depth of 10cm and a row spacing of 15cm are opened in the north-south direction in the divided plots, and the short underground roots of sonchus sonchifolius are laid flat at the bottom of the ditch according to the plant spacing of 5 cm, and then the ditch is covered with soil and the root water is irrigated.

After watering for 5 days, lay a layer of wheat straw on the ground without sticking shoes to keep the ground moist to prevent the surface hardening from affecting the emergence of seedlings. After the surface is covered with wheat straw, samples should be taken in time for inspection. If 60% of the seedlings have broken ground and grown, the grass curtain should be removed in time to make the seedlings grow under the light.

Refer to the above content: Baidu Encyclopedia-Chicory