Artificial cultivation of wheat-Scutellaria baicalensis continuous cropping

Medicinal plant Scutellaria baicalensis, perennial herb of Labiatae. Root medicine has the functions of clearing heat and dryness, detoxification and cholagogic. Artificial cultivation of Scutellaria baicalensis Georgi and continuous cropping of wheat and Scutellaria baicalensis can not only reasonably arrange stubble, but also improve economic benefits, especially in mountainous and hilly areas.

I. growth habits of Scutellaria baicalensis Georgi

The plant height of Scutellaria baicalensis is 20-60 cm, suitable for warm and humid climate, resistant to severe cold, adult plants can withstand low temperature of-30 degrees, and can grow well in sunny, highly dry, well drained, neutral and slightly alkaline soil or sandy soil. Resistant to drought and afraid of waterlogging, it is easy to rot roots in low-lying waterlogged land, so good drainage should be paid attention to. There are seed propagation and seedling cultivation in Scutellaria baicalensis Georgi, and there are three kinds of seed propagation: spring sowing, summer sowing and autumn sowing. In this scheme, the seeds were sown in summer and harvested in autumn of that year.

Second, sowing seeds

After the wheat harvest, prepare the land in time to make the bed, apply 25 kg of basic fertilizer per mu, and then draw a ditch according to 20-25 cm, with a depth of 2-3 cm. Spread the seeds evenly into the ditch and cover the soil. Can also use iron stubble sowing, that is, before and after the Summer Solstice, take advantage of rainy days to sow seeds, ditch 2-3 cm to sow seeds, cover the soil, one kilogram per mu.

III. Field management

Keep the soil moist after the seedling stage. when the root system of the seedling goes deep into the soil layer of more than 10 cm and has a certain ability of drought resistance, it should stop watering and squatting seedlings to promote root growth. Scutellaria baicalensis seedlings grow slowly, and after emergence, seedlings should be loosened and weeded frequently, generally ploughing 2-3 times, and stop ploughing after ridge closure. When the seedling height is 10-15 cm, according to the soil fertility, 13 kg of pure nitrogen and 15 kg of superphosphate are applied per mu, and topdressing can be applied in trenches between rows; except for flower buds, flower buds should be removed in time at the flower bud stage to facilitate the concentration of nutrients in the roots.

IV. Pest control

Scutellaria baicalensis Georgi has few diseases and insect pests, and is prone to leaf blight and root rot in rainy season. The prevention and treatment methods are as follows: first, pull out the diseased and residual plants in time, burn them or bury them deeply; second, the initial stage of the disease can be sprayed with 1000 times of carbendazim wettable powder, once every 7-10 days, 2-3 times in a row. In addition, phoxim can be used to irrigate roots to control ground tigers and grubs.

5. Harvest

For seed harvest, the flower and fruit period of Scutellaria baicalensis Georgi is longer, the ripening period is inconsistent, and it is easy to fall off. The seed field should be harvested with ripening, dried in the shade, and stored in a smoke-free and odorless place. The medicinal materials can be harvested 1-3 years after planting. In recent years, they all began to be harvested one year after planting. The roots were dug out after the aboveground parts withered in autumn or before the underground parts germinated in the following spring, cut off the residual stems, shaken the soil, dried the roots into 2-3 dry, peeled, dried and used as medicine. Avoid water and rain in the drying process, and prevent the root strips from turning green and black to affect the quality.