The latest prevention and control methods of common diseases of Cymbidium

Gentleman orchid is a well-known flower species, it is famous in the flower world, gentleman orchid this kind of flower is very suitable for indoor breeding at home, the leaves are thick and long, the flowers are very good-looking, and its flowers are orange. Gentleman orchid still needs a little technical content, so we will inevitably encounter some diseases and insect pests and other problems when we breed, so the following Shuai Shuai will tell you how to prevent and cure it!

1. Leaf spot

Leaf spot is a disease that blackens the leaves of plants. This disease usually only affects the part of the leaves. At first, the leaf spot appears as a faded green macula on the leaves, and then the spot will become more and more. Slowly spread around, harming the whole leaf, and then cause the leaf to become very dry, and then dehydrate and finally die. Leaf spot is usually caused by fungi. The pathogen selects the leaves of the plant to parasitize and then propagates and spreads. Leaf spot disease usually occurs from July to October.

Prevention and control methods: once the infected leaves are found, they should be eliminated in time. If they are found at that time, they should be wiped off with a dishcloth or other tools. Do not make them remain on the leaves, reduce the residue of bacteria as much as possible, make the pathogens of bacteria less, and usually enhance the fluidity of the air in the room, so that the air can convection and reduce the opportunities for the production and reproduction of bacteria. In addition, chemical means are used for prevention and treatment. Once it is found that carbendazim spray and Dysenammonium solution can be used for spraying at the initial stage of the disease, keep using it for about 3 times, with an interval of one week each time. This can be very effective in sterilization.

2. Anthrax

Anthracnose is one of the more common diseases in the process of cultivating magnolia. At the beginning of the disease, there will be some light brown spots on the leaves. At first, there will be only a few small spots, but slowly as time goes on, there will be more and more. Slowly expanding around, most of the spots are semicircular in shape, and if the humidity in the air is relatively high, it will produce substances similar to pink. This is also caused by anthrax, and the incidence of rainy and humid climate is the highest and most serious.

Prevention and control methods: when cultivating Magnolia, you should not excessively apply nitrogen fertilizer, but properly apply some phosphorus and potassium fertilizer. The fertilizer of these trace elements can improve the disease resistance and immunity of the plant, and the ability to resist bacteria will be stronger. At the same time, to ensure indoor air circulation, diseased branches and leaves should be cut off in time and buried deep in the soil to reduce the amount of pathogens as much as possible. At the time of its onset, more carbendazim can be sprayed to kill germs.

3. Bacterial soft rot

Soft rot is also one of the most common diseases of Cymbidium. Soft rot mainly affects the position of leaves and stems of Cymbidium. At the beginning, the disease is mainly characterized by dark green watery spots, and then slowly increases in volume, multiplies more and expands in all directions. In the later stage of the disease, it will make the whole leaves droop, wilt, and become dry and rotten. As long as you pull its leaves or roots a little, you will find that it is broken at once, so the tissues, organs and cells are softened, and finally the plant dies.

Prevention and control methods: this disease is still a terrible disease, this disease can directly kill the whole plant in the later stage, so we should pay more attention to it. We can strengthen cultivation management, improve cultivation methods, and pour water from the edge of the basin when watering. Slowly make the water flow to the soil, but also control shell insects. In the process of breeding, we should strictly control the quality of the soil and fertilizer to ensure that it is free of bacteria. The risk of infection is low. All kinds of tools and substrates should be sterilized before use, so as to eliminate all possible sources of germs. In addition, you can spray some Bordeaux solution to sterilize.

These are the prevention and control methods of common diseases and insect pests of Cymbidium. Do your farmed orchids suffer from the above diseases? In order to prevent this kind of disease, we should prevent and control all possible environmental factors. Magnolia is mainly caused by many diseases, and its insect pests are very few. As long as we control these environmental factors, there will be no problem.