Cultivation method of Paulownia
Light and temperature
Paulownia likes sunny environment and is more shade resistant. Paulownia has strong drought resistance. When cultivating Paulownia, keep the temperature at - 25 ℃ - 38 ℃. If the temperature is lower than minus 25 ℃, it will suffer from freezing injury p>
Soil
Paulownia has high requirements for soil. It is mainly reflected in soil fertility, soil layer thickness and porosity. If the soil is sticky or waterlogged, Paulownia will grow poorly. Too dry soil will also make Paulownia poor growth momentum p>
Precautions for Paulownia cultivation
Diseases and insect pests
The pests of Paulownia mainly include big bag E and beetle, while the diseases include anthrax, black bean disease and so on. The main harm of beetles to Paulownia is that the larvae will bite the seedlings in early spring. The main method of prevention and control is to artificially kill or release poultry to eat them. Paulownia is most suitable to be damaged by big bag moth, which can be controlled with 3000 ~ 3200 times of enemy killing liquid. For the control of Anthracnose and black bean disease, copper sulfate and ammonium bicarbonate can be mixed in the ratio of 1:10. After sealing for 24 hours, 200 times liquid can be prepared to spray the seedlings, and the effect is good p>
Breeding method
The propagation methods of Paulownia mainly include root cutting, sowing, root retention and so on p>
Flowering and fruiting
The flowering period of Paulownia is from March to April and the fruiting period is from September to October p>