What are the propagation methods for Scutellaria baicalensis? A detailed explanation of the latest propagation techniques

Scutellaria baicalensis is a common Chinese medicinal herb, growing wild on sunny and relatively dry places such as hilltops, slopes, forest edges and roadsides. Due to the gradual depletion of wild resources, it is now mostly cultivated artificially, and it can be grown in most provinces and regions of northern China. The propagation methods for Scutellaria baicalensis include cutting propagation, root division propagation and seed propagation. Let's take a look together below!

Cutting propagation of Scutellaria baicalensis

The most suitable cutting period for Scutellaria baicalensis is May and June, when the plant is in a vigorous vegetative growth stage. Cut the semi-lignified young tender part from the upper end of the stem and branch (the middle and lower parts of the stem used as cuttings have a very low survival rate), cut it into 6—10 cm lengths, then remove the leaves from the lower 2 nodes and keep the upper leaves. The cutting bed is best made of sand, or relatively loose sandy loam is also acceptable. Generally, cuttings should be inserted as soon as they are cut, at a row and plant spacing of 10×5 cm in the bed. Water promptly after inserting, and set up a shed for shade. Spray water frequently to keep the soil moist, but it should not be too wet, otherwise the cuttings will turn black and rot. With proper management, the survival rate can reach more than 90%, and 40 days after cutting they can be transplanted.

Root division propagation of Scutellaria baicalensis

When harvesting Scutellaria baicalensis, pay attention to selecting high-yield and high-quality plants. Cut off the roots for medicinal use, and keep the rhizome part as propagation material. If dug and harvested in winter, bury the rhizome in a cool place indoors, and divide and plant the roots again in the second spring. If harvested in spring, dig and plant immediately. Separate the rhizome into several pieces, each with a few buds, and then plant them in the field at a row and plant spacing of 30×20 cm. On sloping land, the survival rate with this planting method is relatively high. After planting, manage as usual.

Seed propagation of Scutellaria baicalensis

1. Direct sowing method: Seed propagation of Scutellaria baicalensis is mainly by direct sowing. Direct-sown Scutellaria baicalensis has straight roots and few root branches, and the commercial appearance quality is good, while also saving labor. Direct sowing is mostly carried out in spring, generally when the soil temperature at 5 cm underground is stable at 12℃-15℃. In northern regions, it is mostly around early to mid-April.

2. Seedling raising and transplanting method: The seedling raising and transplanting method for Scutellaria baicalensis can save seeds, extend the growth time, and help ensure a full stand, but it is relatively labor-intensive. At the same time, transplanted Scutellaria baicalensis has shorter main roots and more root branches, and the commercial appearance quality is poor. It is generally used when seeds are expensive or when direct sowing in dry land lacks water and it is difficult to emerge and keep the seedlings.