Growth habits of Scutellaria baicalensis

Scutellaria baicalensis Georgi is wild in sunny and dry places such as hilltop, hillside, forest edge and roadside. it likes warmth and tolerance to severe cold. The underground part of adult plants can survive the winter safely at-35 ℃, and 35 ℃ will not die, but it can not withstand continuous high temperature of more than 40 ℃. Tolerance to drought and fear of waterlogging, stagnant water in the land or too much Rain Water, poor growth, serious rotten roots and death. The land with poor drainage should not be planted, the soil is loam and sandy loam, the acidity and alkalinity is neutral and slightly alkaline, and continuous cropping is avoided.

The growth habits of roots

Scutellaria baicalensis Georgi was a straight root, and the main root grew normally in the first three years. The length, thickness, fresh weight and dry weight of the main root increased year by year, and the content of baicalin in the main root was higher. After the fourth year, the growth rate began to slow down, some of the main roots began to wither, and then increased year by year. Almost all the main roots and thicker lateral roots of Scutellaria baicalensis Georgi were withered, and the content of baicalin decreased greatly.

Stem and leaf growth habit

After the emergence of Scutellaria baicalensis Georgi, the main stem gradually grew tall, and the number of leaves gradually increased, and then formed branches, budding, flowering and fruiting. The stem and leaf growth period was from May to June. The annual main stem of Scutellaria baicalensis Georgi can grow about 30 pairs of leaves, of which the first five pairs of leaves grow 1 pair every 4-6 days, and then the leaves grow 1 pair every 2-3 days.

Flowering and fruiting habits

The annual plants of Scutellaria baicalensis Georgi generally began to bud 2 months after emergence, and the annual plants of Scutellaria baicalensis Georgi began to bud at 70-80 days after emergence, blossomed about 10 days after budding, and the fruit began to mature about 40 days after budding. If the environmental conditions are suitable, the flowering and fruiting of Scutellaria baicalensis can last to the frost withered period.