What to do when the flamboyant tree (Delonix regia) gets infested with insects? 2 pests and 2 diseases and how to control them

When we grow the flamboyant tree (Delonix regia), the last thing we want to run into is pests and diseases. These problems are very harmful to the plant: they not only affect its ornamental value, but in severe cases can even cause the plant to wither and die. So what to do when the flamboyant tree gets infested with insects? How should pest and disease control for the flamboyant tree be done? Below, the editor takes everyone through it.

I. What to do when the flamboyant tree gets infested with insects: find the cause

To know what to do when the flamboyant tree gets infested with insects, we first have to understand what kind of insect it is, so that we can deal with it in a targeted way, because the treatment methods for different pests and diseases are also different. The details are described in detail below; friends troubled by this can take a look.

II. Pest and disease control for the flamboyant tree (pests)

1. Noctuid moths

Noctuid moths are a type of phytophagous pest in the order Lepidoptera. They mainly harm the leaves of the flamboyant tree; their larvae feed on the plant's leaves, often eating all the host's leaves, seriously affecting the tree's growth and ornamental value.

Control method: The main damage period of noctuid moths is from July to September each year, so everyone must pay special attention at this time. For this pest of the flamboyant tree, we can directly use 2.5% trichlorfon powder to spray and kill it.

2. Scale insects

The flamboyant tree prefers to grow in a warm, humid environment. If the growing environment is too dry, scale insects are very likely to appear. They mainly threaten the branches, leaves and fruits of the flamboyant tree, causing the leaves to gradually turn yellow, the tree's vigor to gradually decline, and finally a withering appearance.

Control method: When dealing with this pest of the flamboyant tree, we can use 255 phosmet 1000x solution or 2.5% deltamethrin 3000x solution to spray and kill it directly.

III. Pest and disease control for the flamboyant tree (diseases)

1. Leaf spot disease

Leaf spot disease is a disease that exists in many plants, and the flamboyant tree is no exception. When it strikes, many oval and elongated brown spots appear on its leaves, and over time they gradually spread, finally causing the plant to gradually wither and die.

Control method: When dealing with this disease of the flamboyant tree, we can use 20% simeconazole · prochloraz 1000x solution to spray the diseased plant, generally once every 5-7 days, and after 2-3 times it can recover.

2. Anthracnose

Anthracnose mainly occurs on the leaves of the flamboyant tree. In the early stage of the disease, many water-soaked yellow spots appear on the leaves; after expanding, they become oval to irregular brown or yellowish-brown spots. In the later stage, the spots join together, causing the leaves to appear dry and withered, and producing small black dots arranged in concentric rings.

Control method: The appearance of this disease is mainly caused by poor ventilation in the growing environment, so when growing it we must keep the environment well ventilated. As for treating this disease, we can use 70% thiophanate-methyl 1500x solution to spray the affected areas, generally once a week, and after 3-4 times it can recover.

What to do when St. John's wort (Hypericum) gets infested with insects: pest and disease control for St. John's wort / 2 pests and 2 diseases

When we grow St. John's wort (Hypericum), the last thing we want to run into is pests and diseases. These problems are very harmful to the plant: they not only affect its ornamental value, but in severe cases can even cause its death. So what to do when St. John's wort gets infested with insects? And how should pest and disease control for St. John's wort be done? Below, the editor takes everyone through it.

I. What to do when St. John's wort gets infested with insects: find the cause

To know what to do when St. John's wort gets infested with insects, we first have to understand what kind of insect it is, so that we can deal with it in a targeted way, because the treatment methods for each pest and disease are different. The details are described below; friends troubled by this can take a look.

II. Pest and disease control for St. John's wort (pests)

1. Red spider mites

Red spider mites are a fairly common pest on many plants, and St. John's wort is no exception. When this pest appears on the plant, the leaves gradually turn yellow and whitish, and if it is not dealt with for a long time it can also cause the plant to wither.

Control method: When dealing with this pest of St. John's wort, we can prevent its reproduction by increasing the humidity of the environment. We can also directly use 10% fenbutatin oxide emulsifiable concentrate 1000x solution to spray and kill it.

2. Noctuid moths

Noctuid moths are a type of phytophagous pest in the order Lepidoptera. They mainly harm the leaves of St. John's wort; their larvae feed on the plant's leaves, often eating all the host's leaves, seriously affecting the tree's growth and ornamental value.

Control method: The main damage period of noctuid moths is from July to September each year, so everyone must pay special attention at this time. For this pest of St. John's wort, we can directly use 2.5% trichlorfon powder to spray and kill it.

III. Pest and disease control for St. John's wort (diseases)

1. Powdery mildew

Powdery mildew is a fairly common disease of St. John's wort. This disease mainly threatens the plant's leaves. When it strikes, many powdery mold spots appear on the leaves; in the early stage it causes the leaves to lose their green color, and in severe cases the entire leaf is covered with a powdery mold layer, so the plant cannot carry out photosynthesis and gradually shrivels.

Control method: When controlling this disease of St. John's wort, we can use 10% polyoxin 1000 to 1500x solution to spray the plant, generally once every 10 days, and after about 2-3 times it can recover.

2. Brown spot disease

Brown spot disease, also called Rhizoctonia damping-off blight, is a fungal disease caused by Rhizoctonia solani. When it strikes, many yellowish-brown to light brown spots with a diameter of 0.1-0.5 cm appear on the leaves, and over time the spots gradually spread, finally causing the plant to wither and die.

Control method: When we discover this disease of St. John's wort, if the number of diseased leaves is relatively small, we can promptly remove and destroy them; if there are many, we must use 50% procymidone 2000x solution to treat it, generally spraying the diseased plant once a week, and after about 3 times it can recover.

What to do when blanket flower (Gaillardia) gets infested with insects: pest and disease control for blanket flower / 2 pests and 2 diseases

When we grow blanket flower (Gaillardia), the last thing we want to run into is pests and diseases. These problems are very harmful to the plant: they not only affect its ornamental value, but in severe cases can even cause the plant to wither and die. So what to do when blanket flower gets infested with insects? How should pest and disease control for blanket flower be done? Below, the editor takes everyone through it.

I. What to do when blanket flower gets infested with insects: find the cause

To know what to do when blanket flower gets infested with insects, we first have to understand what kind of insect it is, so that we can deal with it in a targeted way, because the treatment methods for each pest and disease are different. The details are described in detail below; friends troubled by this can take a look.

II. Pest and disease control for blanket flower

1. Aphids

Among the pests and diseases of blanket flower, aphids are one of the most harmful. They mainly harm the leaves, stems, tender tips and tender spikes of blanket flower, gradually sucking out the sap, causing the plant to lose a large amount of nutrients and gradually wither and die.

Control method: For aphids, this pest of blanket flower, if there are relatively few, we can catch and kill them by hand, pinching each one we see. If there are many, we can use 40% imidacloprid water-soluble formulation 1500-2000x solution to spray and kill them.

2. Scarab beetles

Scarab beetles are invertebrates. They mainly harm the root system, leaves and flower buds of blanket flower, thus affecting the yield and quality of its flowering, and in severe cases can even prevent the plant from blooming.

Control method: When dealing with this pest of blanket flower, we can use 2.5% deltamethrin 2000-3000x solution to spray and kill them, or we can trap and kill them under lights.

3. Rust disease

Rust disease is a fairly common one among the pests and diseases of blanket flower. This disease mainly threatens the plant's leaves, stems and fruits. When it strikes, many small blister-like spots appear on the affected parts; in severe cases the spots densely merge into patches, and the plant rapidly withers and dies because of it.

Control method: When rust disease appears on blanket flower, we can use 50% carboxin wettable powder 2000x solution to spray it, generally once every 7-10 days, and after 1-2 times it can recover.

4. Black spot disease

Black spot disease is a disease caused by fungi. When it strikes, many black spots appear on the leaves of blanket flower, and over time the spots gradually spread, finally causing the plant to gradually wither and die.

Control method: When controlling this disease of blanket flower, we can use 7% thiophanate-methyl 800x solution to spray it, generally once every 7-10 days, and after 2-3 times it can recover.