1、 Introduction

It is perennial. Its leaves can stay green all year round. It is generally used to grow in gardens. It is planted in southwest and South China. It originated in America and can be used as a viewing plant. It can also be used to treat the body. It can treat cough and asthma, meridians and other problems. It tastes sweet and spicy. Its leaves contain a substance called saponin

2、 Disease

1. The common disease is leaf spot, which grows brown spots on the leaves; Anthrax mainly erodes the leaves, causing them to become diseased and show disease spots. The color will slowly become darker and the range will slowly become larger. Finally, the whole leaf will be eroded and rotten. It also has a common disease, gray mold

2. Prevention and control: it will suffer from the erosion of diseases, mainly because the environment is too poor and the owner has no intention. If the air is too stuffy and humid, the ventilation is not good, or too much nitrogen fertilizer is used, it will be easy to get sick, so prevention work should be done at ordinary times

When it is very hot in summer, it should be ventilated and fertilized reasonably to ensure that there are enough elements, especially trace elements, for its growth. If you are sick, you should remove the diseased leaves to avoid infection everywhere. Then use a little Bordeaux and spray it once a week according to the dose in the manual. The best way is to use several drugs alternately, so as to avoid the emergence of drug resistance

3、 Pest

The most common insects are scale insects and mealybugs. If insects are found on its leaves, you can remove them manually, clamp them off with tweezers, and then spray some medicine on the leaves. If an insect is found in the soil, it needs to replace the basin and soil in time, disinfect its whole body and trim the rotten roots. Finally, give it a basin. Before that, disinfect it. There should be no insect eggs in the soil, and use fresh soil. If you want to use drugs, you can use dichlorvos. Pay attention to ventilating it in daily care