What about the growth of mirror grass, pest control of mirror grass / 3 insect pests and 2 diseases

As a beautiful foliage plant, mirror grass has many effects, it not only looks good, can purify the air, but also has a good use in medicine, so it is often potted at home. But when raising mirror grass indoors, for some reasons, it will grow worms and get sick, what about the grass worms? The following are several kinds of mirror grass pest control, let's go and have a look.

What about the mirror grass worms?

In the process of the growth of mirror grass, due to a variety of reasons, the plant will inevitably cause disease and insect damage. According to the inquiry, the main diseases and insect pests are: shell insects, red spiders, leaf spot, anthrax and so on, they all endanger the health of plants. So once found, we should immediately spray prevention and control, as for what should be sprayed, we will move on.

2. control of diseases and insect pests of mirror grass

1. Scale insects

When it comes to mirror grass worms, they are generally shell worms, which appear either because they are not disinfected in time, or because of the breeding of eggs. The insect is small and often gathers together, which mainly damages the leaves of the plant and affects the photosynthesis of the plant, which leads to the yellowing of the leaves of mirror grass and hinders the ornamental.

Control methods: when a small amount of shell insects are found, they can be brushed off with a brush and then rinsed with water; when there are many scale insects, 1000 times of omethoate can be used and sprayed once every 8 days for 2 to 3 consecutive times.

2. Aphids

As a foliage plant, in the case of improper maintenance, mirror grass will also produce aphids. The worm feeds on sap from stems and leaves, leading to malnutrition of mirror grass. And aphids multiply quickly, once they are not noticed, they will appear in pieces and look very scary, so they should be prevented and controlled in time.

Prevention and control methods: when there are few aphids, you can brush them off with a brush dipped in water, and wipe out the brushed aphids in time; when there are a large number of aphids, spray 40.7% EC diluted 1000-2000 times, spraying once every 7-10 days, 3-4 times in a row.

3. Red spider

When it comes to mirror grass worms, in addition to shell insects and aphids, red spiders often appear. When cultivated indoors, if the ventilation condition is poor, red spider damage will often occur in mirror grass. Although the insect is small, it can absorb nutrients from the leaves with a sharp needle, thus affecting the normal growth of mirror grass.

Control methods: red spiders can be sprayed with 1000 times dimethoate and 1000 times triclofenac EC, once every 5-7 days, 2-3 times in a row.

4. Anthrax

In addition to long worms, mirror grass can also get sick, the most common of which is anthrax, which is usually caused by bacteria and is easy to occur in hot and humid summers. The disease can cause small brown patches on the leaves of mirror grass, which then expand into a circular or oval shape, and in severe cases, the whole plant is damaged.

Prevention and treatment methods: when diseased leaves are found, remove immediately to reduce the source of the disease; at the initial stage of the disease, open windows to ventilate, reduce indoor air depression and humidity, and then spray with 50% methyl topiramate wettable powder 800-1500 times liquid, spray once every 7-10 days, and then supplemented with 1% equivalent Bordeaux solution, once every semimonthly, the disease can be basically cured.

5. Leaf spot

When indoor temperature fluctuates greatly in a short period of time, or too much watering during dormancy, mirror grass is also easy to suffer from leaf spot disease. Symptoms: mirror grass leaves will appear many small brown spots, in severe cases will spread throughout the leaves.

Prevention and treatment: when the above symptoms are found, remove the diseased leaves in time and destroy them centrally in order to reduce the source of the disease; then chlorothalonil 800 times liquid, foliar spray, once every 7-8 days, 2-3 times in a row, can be basically cured.

What if the leaves of mirror grass turn yellow, supplement light / appropriate shade / spray with diseases and insect pests

Mirror grass this kind of plant, flower friends should be no stranger, its leaves are large and round, very much like the ancient mirror, its potted at home has an excellent ornamental. Such plants are naturally raised at home by many people, but in the process of breeding, many flower friends' plants will appear yellow leaves, affecting ornamental. So, what if the leaves of the mirror grass turn yellow? Today, the editor is here to solve this problem for everyone.

First, what if the leaves of mirror grass turn yellow?

If the leaves of mirror grass turn yellow caused by sudden changes in the environment, you can create the most suitable growth environment for it; if it is caused by lack of light, add light; that is, too much loose soil, there are rotten roots, but also need to cut the roots and change the pot soil to plant again; if the temperature is too low, adjust the temperature; if you encounter diseases and insect pests, you should spray and control them in time.

Second, the causes of the yellowing of the leaves of mirror grass and its solutions.

1. Environmental mutation

If you want to talk about the reason why the leaves of mirror grass turn yellow, if it is a newly bought potted plant, we should consider environmental factors. Nowadays, most of the mirror grass potted plants of flower friends are bought online, which can easily lead to regional cross-service, the environment changes too much, mirror grass can not adapt for a while and the leaves are yellow.

Solution: it is very simple, if the newly bought mirror grass appears leaf yellow, according to its growth habits, we provide it with the most suitable growth environment, after a period of time, the plant will return to health.

2. Too little light

Although mirror grass is shade-tolerant, as a foliage plant, it also has a demand for light. Once it is changed in the dark for a long time, its leaves will turn yellow because of the lack of photosynthetic nutrients.

Solution: very simple, add light, but to avoid direct sunlight, especially in summer, be sure to shade, so as not to burn the leaves, the best way is to move the pot to a place with plenty of astigmatism.

3. Overwatering

Mirror grass likes the humid environment, in the breeding process, we should water frequently. However, although mirror grass likes water, it can keep the basin soil dry and must not pour too much water, otherwise it will cause stagnant water in the basin and lead to root rot, and its leaves will turn yellow because they cannot absorb nutrients.

Solution: loosen the soil and move the pot to a ventilated sunny place to let the water evaporate quickly; if it is not found in time, the roots rot, we also need to take off the pot and cut the roots, and then change the pot soil to replant.

4. The temperature is too low

Mirror grass likes a warm environment and is more hardy, but the overwintering temperature should be kept at 7 ℃, otherwise the leaves of mirror grass will turn yellow, the leaves of mirror grass will curl, the leaves of mirror grass will fall off, and even frostbite will occur.

Solution: after the advent of winter, we should move the mirror grass to indoor maintenance, it is best to control the room temperature above 7 ℃.

5. Diseases and insect pests

If the above points can be ruled out, then the yellowing of mirror grass leaves may be caused by diseases and insect pests. Although mirror grass is not easy to grow insects to get sick, but in the case of improper maintenance, the environment is not ventilated, it will also be affected by diseases and pests and disease infection. The appearance of these diseases and insect pests may lead to the yellowing of grass leaves.

Solution: very simple, identify specific diseases and insect pests, and then control for spraying, as for what medicine to spray, you can refer to the pest control of mirror grass.

Generally speaking, the breeding method of mirror grass is not difficult, but because many flower friends are novices, it is inevitable that there will be symptoms of leaf yellow. However, after reading the full text, I believe you have a clear mind, the leaf yellow problem can be solved in accordance with the above method. With regard to the yellowing of mirror grass leaves, the editor has introduced this, hoping to give you some help.