June snow / hundred-day grass insect performance how to do, bonsai June snow / hundred-day grass diseases and insect pests how to control

June snow, a very beautiful plant, its flowers and colors are simple, several flowers grow on the top of the branchlets, it is very good-looking, and it is often potted at home by flower friends. Although June snow has a strong ability to adapt, but improper maintenance, it will also be disturbed by diseases and insect pests, then June snow insects how to do? The following is the pest control of bonsai snow in June, very detailed, be sure to take a look at it.

Snow worms grow in June, spray with medicine

Generally speaking, June snow rarely grows insects, but if we do not follow the breeding method of June snow, or if we do not operate properly, it will grow insects and get sick. Flower friends must be very worried! As for what to do when the snow grows in June, it is actually very simple. We first determine which kind of bug it is, and then aim at solving it. The following is the pest control of the snow in June. There are 3 pests and 2 diseases in total. Let's move on.

Prevention and control of diseases and insect pests of snow in June

1. Dodder

It is neither an insect pest nor a disease, but a climbing herb that lives on the snow in June. It is understood that dodder grows very fast. It wraps the trunk and branches of June snow with rattan stems to absorb nutrients from June snow branches.

Absorption method: dodder winding is very tight, June snow branches will be constricted by it, its rattan stem will form a sucker at the constriction, thus absorbing nutrients.

Prevention and control methods: dodder is most likely to appear in late spring and early summer, and we should watch it carefully. once dodder is found, it will be eliminated and destroyed together with weeds and damaged parts. For the seriously damaged plots, turn deeply every year; during the seed germination period, spraying 1.5% pentachlorophenol sodium and 2% grass cleaning solution into the soil can effectively prevent dodder.

2. Aphids

Although June snow is rarely attacked by insects, aphids will appear if they are not properly maintained. Symptoms of damage: aphids mainly harm the tender leaves and stems of June snow, which parasitize on the leaves and absorb juice. Once aphids appear, they are dense and look very scary.

Prevention and control methods: when aphids are found, you can spray dichlorvos with 1200 times aqueous solution, or kill with tobacco water: 50 grams of tobacco leaves add 5 kilograms of water, boil it.

3. Snails

The insect usually occurs from May to June, and it is the biggest harm before the snow blossoms in June. Symptoms of damage: leaves and stems will be bitten, causing leaves to fall off and threaten the whole plant in serious cases.

Control method: when the worm is found, pick it out with a toothpick, or spray it with 58% wind and lightning excited EC 1500 times.

4. Scale insects

One of the main pests of June snow, which often occurs in May, stabs into the leaves with mouthparts and sucks the juice of June snow leaves. Symptoms of damage: June snow leaves yellowing and aging, affecting the growth of the plant; in severe cases, the plant will die.

Control method: after the shell worm is found, it should be sprayed immediately. It can be sprayed with 1000 times of omethoate or 1000 times of dichlorvos every 10 days, and it will be effective if it is sprayed 3 times continuously.

5. Root rot

In addition to being attacked by insects, June snow sometimes occurs root rot, which mainly infects the base of the stem of the plant, showing waterlogged, brown and wet rot, which causes the leaves of the plant to become light green or gray, and finally wilt and die.

Prevention and treatment: it is found that the above symptoms can be prevented and treated by root and foliar spray with 12% oleic acid copper EC 600-1000 times, or 50% Gen Fu Ling 800x solution, sprayed once every 3-5 days and sprayed 3-4 times continuously.

6. Leaf withered line

The disease is caused by June snow budding nematode infection and mainly harms leaves. Disease symptoms: diseased leaves appear light brown spots, then expand, with the increase of leaf necrotic spots, will produce very serious consequences, and finally the whole plant leaves withered, ornamental directly none.

Prevention and treatment methods: when the disease is found, remove the residual body and wild host in time, and burn it centrally to reduce the source of the disease; when the disease is serious, 15% aldicarb granule can be applied and watered around the diseased plant, which will be effective soon.

With regard to the prevention and control of diseases and insect pests in June snow, the editor has introduced this. I believe that if you encounter snow worms or illness in June again, you should know how to do it! Generally speaking, June snow is rarely disturbed by diseases and insect pests, so as long as everyone takes good care of it, these troubles will not be found. Finally, I hope everyone's June snow can produce beautiful flowers.

What to do with the growth of worms? pest control of zinzincao / 3 insects and 3 diseases

As a highly ornamental plant, zinnia is potted at home by many flower friends because it is very easy to feed. However, once improper maintenance leads to the emergence of diseases and insect pests, it will seriously damage the ornamental value of the hundred-day grass. What about the hundred-day grass with worms? The following is the pest control of 6 species of zinnia, follow the editor to learn about it.

A hundred-day grass grows worms, spray with medicine

Although hundred-day grass is easy to raise, but if we do not follow the breeding method of hundred-day grass, it will also grow insects and get sick. At that time, flower friends must be very worried! However, as long as timely prevention and control, there will be no major impact, the following is the pest and pest control of zinnia, a total of 3 insect pests and 3 diseases, the specific symptoms and control measures we continue to look at.

2. Disease and pest control of zinnia

1. Aphids

Zinnia is adaptable and vulnerable to insects, including aphids. As one of the diseases and insect pests of zinnia, aphids harm the young leaves and stems of zinnia. It parasites on the leaves and absorbs juice.

Control methods: when aphids are found, the whole plant can be washed with water; when there are too many aphids, it can be sprayed with 1200 times of dichlorvos aqueous solution, or killed with tobacco water: 50 grams of tobacco leaves add 5 kilograms of water, boil it.

2. Helicoverpa armigera

One of the diseases and insect pests of zinnia, it mainly eats the buds and bites flowers to harm it. In addition, Helicoverpa armigera larvae also eat the tender tips and leaves of zinnia, forming holes and gaps, resulting in headless cotton, affecting the normal growth of plants.

Prevention and control methods: at night, the use of light to trap and kill adults, can also be sprayed with biological pesticides, such as Bt emulsion, nuclear polyhedrosis virus, Tripterygium wilfordii essential oil, etc.; in addition, it can also be combined with coring to remove the young parts, so that a large number of eggs and larvae can be eliminated. Ps: the method of picking the heart of zinnia has been introduced in detail, so I won't say much here.

3. Small land tiger

Tetranychus sibiricus, an underground pest, mainly harms the root, stem and lower leaves of Zinnia, causing plant death. The pest is the most harmful from late April to early May, and it must be controlled immediately after it is found.

Control methods: timely removal of weeds in the chrysanthemum pot, and artificial capture: in addition, you can also spray control, such as 90% trichlorfon 500 times liquid, the effect is very good.

4. White star disease

One of the diseases of zinnia, which mainly harms leaves. Symptoms: in the early stage, the diseased leaves have small dark brown spots, which slowly become dark brown around and gray-white in the center, with a diameter of 2-4 mm; in the later stage, the leaves of zinnia are curled and dry.

Prevention and treatment methods: find the above symptoms, remove the diseased leaves in time to reduce the source of the disease; you can also spray 65% Dysen zinc wettable powder 500 times, or 75% chlorothalonil wettable powder 500-800 times for prevention and treatment.

5. Black spot

Hundred-day grass black spot, one of the diseases often encountered by flower friends, has occurred all over the country. Symptoms: Zinnia leaves become brown and dry, petals shrink, in addition, the leaf will also appear 2 mm-10 mm in diameter, reddish brown.

Prevention and treatment: diseased leaves should be removed and burned in time to reduce the source of the disease. When the disease is serious, spray 50% mancozeb or mancozeb 5000 times liquid spray for prevention and treatment. Note: when spraying, you should pay special attention to spraying evenly on the back surface of the leaf.

6. Mosaic disease

One of the diseases and insect pests of zinnia, after suffering from this disease, zinnia will produce ring spots, sometimes hidden disease (observation does not deal with). In addition, the growth and development of the plant is slow, and the whole plant looks short, which affects ornamental.

Prevention and treatment methods: when the above diseases are found, 7.5% Keduling water agent 600 times liquid or 3.85% virus Bike wettable powder 700 times liquid can be sprayed for prevention and treatment, and the effect of spraying in turn is better.

Generally speaking, the hundred-day grass is easy to raise, but if you don't pay attention, it will also be disturbed by diseases and insect pests. So for the sake of unnecessary trouble, we should take good care of it. With regard to the pest control of zinnia, this is the end of the editor's introduction. I believe that if you encounter worms or diseases, you should know how to do it!

What if the glass crabapple grows worms? pest control of glass crabapple / 3 insects and 3 diseases

As a common ornamental plant, the breeding method of glass begonia is not difficult, and it is good-looking, so it is kept at home by many people. But because there are many novice farmers, they often make mistakes in the breeding process, resulting in plant worms getting sick. So, what should we do if the glass crabapple grows worms? In this regard, the editor summarized the common diseases and insect pests of five kinds of glass begonia, let's go and have a look!

First, glass crabapple long worm, spray with medicine

In the growth process of glass crabapple, the plant will inevitably get sick. The main diseases are root rot and stem rot, and the main pests are leaf roll moth, aphids and red spiders, which will affect the growth of glass begonia. Therefore, as soon as it is found, it should be sprayed immediately for prevention and control. As for what kind of medicine should be sprayed, there is a detailed introduction in the pest control of glass begonia. Let's move on to the next step.

2. control methods of diseases and insect pests of glass begonia

1. Leaf roll moth

When it comes to the pests that invade the glass begonia, the most common pest is the leaf roll moth, which is small and its larvae specially bite the new buds, tender leaves and flower buds of the plant, leaving only the epidermis reticulate and making the leaves curl longitudinally. And the leaf roll moth continuously harms the plants in the hidden leaves, slightly inadvertently will affect the growth and flowering of glass begonia.

Control methods: when the leaf roll moth is in a small amount, the rolled leaves can be removed manually and the insect body can be pinched to death; in addition, it is found that the larvae of the leaf roll moth can be sprayed with 1000 times of phoxim at night, and adults can be killed with sugar and vinegar solution (5 parts of sugar, 5 parts of wine and 80 parts of water).

2. Red spider

One of the mites, it is also one of the common pests of glass begonia. The insect often occurs when the ventilation is poor, which will harm the top of the plant, causing the top of the glass begonia to turn reddish brown and have cobwebs, affecting the growth and development of the plant.

Prevention and control method: after the disease and insect are found, it can be treated with enemy killing, or it can be sprayed with 1000 times EC of phenyledalin EC.

3. Aphids

Aphids are the most common pests in indoor potted plants, and they also endanger the health of glass begonia. The insect mainly harms leaves and buds and absorbs a large amount of juice, resulting in a large loss of nutrients and wilting.

Prevention and control methods: when there are few aphids, brush it off with a brush and bury it in the basin soil; when there are many shell insects, you can spray 1000 times of omethoate or 1000 times of dichlorvos, once every 7 seconds and 10 days, and it can be effective if sprayed 3 times in a row.

4. Root rot

One of the most common diseases of glass begonia, its main damage is the rhizome. During the disease, the rhizome of glass crabapple rotted softly, and the plant died when it was serious.

Prevention and treatment: remove the plant from the pot, remove the injured part, then apply fungicide to the wound, dry in a cool place and then replant.

5. Stem rot

A disease harmful to the stem of glass begonia, which is generally spread by water sputtering, and the moisture retention time is long and easy to occur. Symptoms of the disease: the stem or base of the glass crabapple rotted, causing the whole plant to die quickly.

Prevention and treatment methods: if you find the above diseases, you can spray 27% copper noble suspension 600 times; when you are seriously ill, you can also add some Qingkulike or chlorpromazine, spray once every 10 days, 2 to 3 times.

6. Blight

Blight is a disease of many plants, and glass begonia is no exception. The disease mainly damages the stem base of the plant and the leaves near the soil surface. There are many dark spots on the stem base near the soil surface when the disease occurs, and it will spread gradually with the passage of time, and finally lead to the phenomenon of plant wilt.

Control method: in the prevention and control of blight, we can use 1000 times of Likuling wettable powder to irrigate the roots of the diseased plant, usually once every 10-15 days, and then recover after 2-3 times.

With regard to the pest control of glass crabapple, the editor has introduced it here. I believe that if you encounter glass crabapple worms or get sick again, you should know how to do it! If you don't pay attention to it, glass begonia is easy to be invaded by diseases and insect pests, so we must take good care of it. As long as this is the case, bugs will not come to us. Finally, may everyone's glass begonia blossom beautifully.