Prevention and control of diseases and insect pests of Salvia miltiorrhiza

1. Aphids

Symptoms: aphids are a common pest in the flowers of Salvia miltiorrhiza. The leaves of the flowers are yellow and fall. In serious cases, there are dense insects on the flowers and leaves, causing the flowers to wither.

Control methods: keep good ventilation conditions, should not be too wet, after the emergence of insect pests can be washed with clean water or soapy water, timely removal of diseased leaves, diseases and pests can be sprayed with aphid lice net, flower protection and other fungicides.

two。 Soft rot

Symptoms: plant leaves withered and drooping, and cloudy days or sooner or later can return to normal, but when the disease is serious, it will make a large number of leaves yellow and fall off, and the rhizome will rot.

Prevention and control methods: disinfect the soil before planting, which can irrigate disinfectants to avoid breeding bacteria. After the disease can be sprayed with benzoammonium solution, serious plants should be removed to avoid infecting other plants.

Above are the breeding methods and pest control methods. I hope these can help you to grow healthy and beautiful flowers.

Culture method of Salvia miltiorrhiza L. 1. Planting time

The main purpose of Salvia miltiorrhiza flower is to plant bulbs, which are usually planted in autumn, and the seeds can be stored in sandy soil before planting.

two。 Light

Shandan flowers like the sun, after planting balls germinate, we should pay attention to receive light, ensure more than 6 hours of light time every day.

3. Moisture content

Shandan flowers like to be wet, but should not be too dry or too wet, suitable for outdoor cultivation, do not need more watering, otherwise it will lead to rotting roots.

4. Weed

There are a lot of weeds growing around the flowers, and they compete for nutrients, so they need to be weeded frequently to ensure the normal growth of the plant.

The flowering period of Shandan flower

If you want to know the blooming time of Shandan flower, first let us know about it.

Shandan flower is a perennial plant of Liliaceae, its scientific name is spotted lily, also known as red lily. Flowers are usually one a year, sometimes as many as seven to eight, apricot red, most of which grow in northern China. According to the people who grow the flowers, the flowering period of the flowers has been in full bloom from the middle of June to the middle of September. If you want to enjoy the best condition of the flowers, you should not miss this period.

Since the flowers of Shandan are so beautiful and beautiful, is it always like this? In fact, it is not. Shandan can be said to have a history of two extreme contrasts, one is the current period of extolling the heyday, and the other is the period when even Shandan flowers were almost extinct because of improper development. What's going on? Listen to the editor go on.