As one of the common garden plant shrubs, sea trees can be found everywhere in urban parks, and even in some places they are planted as small trees. The shiny leaves, with obvious veins in the middle, and the small white flowers are dotted with dots, becoming a beautiful landscape. Let's explore the question of sea paulownia psyllid today!
[1] Growth habits
The leaves of Tung sea are clustered at the top of the branches, leathery inverted ovate, the apex is rounded, and the clusters are pseudo-rotational at the top of the branches; the umbel-shaped inflorescence or umbel-shaped inflorescence is apical or near-top, the flowers are white, aromatic, and later turn yellow; the flowering period is from March to May, and the fruit ripening period is from September to October. The leaves are smooth and dense, strong germination, pruning resistance, easy to shape, widely used in shrub balls, hedges and modeling trees. It loves light and grows well in the semi-shade. In summer, it can be placed outdoors, and if possible, it can be placed in a cool place. Strong light is not harmful to plants. Prefers warm and humid climates and fertile moist soils that are resistant to slight salinity and moisture. Grow at a suitable temperature of 15-30 ° C.
[2] Hazard characteristics of wood lice
Psyllids suck on the leaves, stems and young branches, causing the leaves to curl and secrete white flocculents that drift with the wind or attach to the surface of the plant. It seriously affects foliar photosynthesis and causes coal pollution disease, resulting in dry branches.
Several generations can occur in a year (many places can be harmed on the sea tree throughout the year, spring, summer and autumn are harmful, and the winter harm is light), the generations overlap, adult nymphs gather on the young shoots, suck sap, the growth of the affected buds is blocked, and the leaves are curled and cannot develop normally.
[3] How to treat haitong in the face of wood lice attack
1. Use 1 bottle of 300 kg of water in Qilin Guangzheng for uniform spray prevention and control.
2. Prevention and treatment during dormancy. Spray dry and shoot with 3 to 5° Be stone sulfur compound to eliminate overwintering pests.
