Bonsai knowledge: Selaginella officinalis bonsai is vulnerable to these three diseases and insects during its growth. Have you ever met?

Introduction: Hello, everyone. Welcome to read my article. In the maintenance of Selaginella officinalis bonsai, we encountered the situation that the leaf root blackened and the leaf tip rotted. In fact, this is the disease of Selaginella officinalis. Today, the editor will share with you about pest control in the process of Selaginella officinalis maintenance. Selaginella officinalis is very suitable for bonsai, and the daily maintenance is not complicated, but we must pay attention to the prevention and control of diseases and pests. When we encounter these situations in the process of bonsai maintenance, it shows that Selaginella officinalis is sick. What are the symptoms when you encounter these diseases and pests? What should we do?

The first kind: leaf spot. The disease often occurs on the leaves of Selaginella officinalis and is easy to occur when the humidity is high. The lesion was linear, brown and small at the initial stage, flooded around, faded to green, round, round to oval, white inside and brownish gray at the edge. In the late stage, there were black spots and dark brown mold under wet conditions. The way to prevent and treat the disease is to remove the residual leaves in time. In the early or later stage, 0.5%-1% Bordeaux fluid (or 50% carbendazim 1000 times) can be sprayed.

The second kind: anthracnose. The disease also occurs on Selaginella officinalis leaves and can be transmitted to petioles in severe cases. The early stage of the disease is macular small macula, oval, brown or light yellow, slightly striped, dry spots in the later stage, small black spots arranged in a wheel. The disease is mainly caused by poor ventilation and diseases caused by scale worms. The prevention and treatment of the disease is to strengthen maintenance and increase the application of phosphorus and potassium fertilizer; at the initial stage of the disease, 0.3% 0.5% equivalent (or 60% zinc 800 times zinc solution, or 70% Taub 1500 times solution) can be sprayed.

(3) Brown soft scale. The diet of this pest is complex and harms many plants. Selaginella officinalis is one of the many flowers that have been maimed. It usually gathers on leaves or leaves, sucks plant juice and excretes mucus, and its excrement may cause a large number of bacteria to multiply, blacken stems and leaves, affect plant photosynthesis, and lead to weak plant growth, yellow leaves and decorative obstacles. When it is serious, the branches are covered with worms, causing plants to turn yellow and affecting their growth.

In the process of bonsai conservation, these situations show that Selaginella officinalis is sick, and the disease and pest control of Selaginella officinalis must be dealt with in a timely manner, otherwise it will do great harm to bonsai. In the process of bonsai conservation, you can share with the editor what you have learned. Welcome to forward your message.