What about the long worm of Persian chrysanthemum? disease and pest control of Persian chrysanthemum / 2 insect pests 2 diseases

When we cultivate Persian chrysanthemum, the last thing we want to encounter is the problem of diseases and insect pests, which do great harm to the plant. If we don't deal with the plant in time, the plant will gradually die. What about the Persian chrysanthemum worm? How to do the pest control of Persian chrysanthemum? Next, the editor will take you to learn about it.

First, what about the Persian chrysanthemum worm? find the reason.

If you want to know what to do with Persian chrysanthemum worms, we first need to know what kind of insects grow, so that we can deal with them pertinently, because the prevention and control methods of each kind of diseases and insect pests are different. Details are introduced in the following column of pest control of Persian chrysanthemum. Friends who are troubled in this respect can learn about it.

II. Pest control of Persian chrysanthemum (pest)

1. Red spider

Among the diseases and insect pests of Persian chrysanthemum, red spider is a relatively common one, and its high incidence period is in the summer every year, so at this time we must pay special attention to the fact that when this kind of pest occurs, the leaves of the plant will gradually turn yellow and whiten, and if it is not treated for a long time, it will also lead to the phenomenon of plant wilting.

Control method: in the control of red spider this pest, we can use 8% mites EC 6000-8000 times to spray Persian chrysanthemum, so as to eliminate this pest.

two。 Aphids

Aphids are a pest that exists in many plants, and Persian chrysanthemum is no exception. this pest mainly harms the leaves, young ears and stems of plants, and it will gradually absorb the juice, thus allowing a large amount of nutrients to flow away from the plants. there will also be a lot of withered spots on the injured area, and eventually the plant will gradually die.

Control method: when controlling the diseases and insect pests of this kind of Persian chrysanthemum, we can use 1500-2000 times of imidacloprid water solvent to spray the plant, so as to eliminate it.

III. Pest control of Persian chrysanthemum (disease)

1. Powdery mildew

Powdery mildew does great harm to Persian chrysanthemum. Many white dust-like disease spots appear on its leaves, which will gradually spread over time, and finally cover the whole leaf surface, which will seriously affect plant photosynthesis. Metabolism will also be disturbed, and finally the phenomenon of premature senescence.

Control method: in the prevention and control of powdery mildew, the disease and insect pest of Persian chrysanthemum, we can use more than 1000 to 1500 times of antimycin to spray the plant, which is usually sprayed once every 7-10 days, and can be cured 2-3 times.

two。 Leaf spot disease

Leaf spot is a disease caused by fungi, and its high incidence period is in spring and autumn every year, so we must pay special attention in these two seasons. Leaf spot mainly harms the leaves of Persian chrysanthemum, there will be many prototype disease spots on the leaves, and the disease spots will gradually expand, the shape will also become irregular, it is best to lead to the gradual death of the plant.

Control methods: when we control the diseases and insect pests of Persian chrysanthemum, we can use 80% mancozeb 400-600 times to spray the diseased plants, usually once every 10-15 days, 1-2 times can be cured.

What about the marigold worms? disease and pest control of marigold / 2 insect pests and 2 diseases

In the process of cultivating marigold, the last thing we want to encounter is the problem of diseases and insect pests, because such problems do great harm to the plant, not only affect the beauty, but also lead to plant death. What about the golden chrysanthemum worm? How to prevent and control the diseases and insect pests of calendula? Next, the editor will take you to learn about it.

First, how to do the marigold worms, spray and kill

When it comes to what to do with the marigold worms, in fact, the most direct way is to use chemical spray, but the chemicals used by each kind of diseases and insect pests are different. The details are in the following disease and pest control of calendula. Friends who are troubled in this respect can learn about it. Of course, friends who do not have such problems can also take a look. After all, it is a precaution in the future.

II. Disease and pest control of calendula (pest)

1. Aphids

Among the diseases and insect pests of calendula, aphids are one of the most harmful, which mainly harms the leaves, stems, tender heads and ears of calendula. It will gradually absorb the juice, resulting in a large loss of nutrients and gradually withered phenomenon.

Prevention and control methods: when aphids are found, we can clean the plants with clean water or soap, so as to play a role in prevention and control. If there are more aphids, we can directly use 1000 times of marathon emulsion to spray.

two。 Red spider

Red spider is a member of the spider family Tetranychidae, and its high incidence period is in the summer every year, so at this time we must pay special attention to the fact that when this pest occurs, the leaves of calendula will gradually turn yellow and whiten, and if left untreated for a long time, it will also lead to the phenomenon of plant wilting.

Control method: when controlling the diseases and insect pests of this marigold, we can spray it with 1000 times of dichlorvos.

III. Disease and pest control of marigold (disease)

1. Downy mildew

Downy mildew is a plant disease caused by fungi, which mainly threatens the leaves of calendula. At the initial stage of the disease, many light yellow spots will appear on the leaves, and will gradually spread with the passage of the event, and finally lead to the gradual withering and withering of the leaves.

Control method: in the control of this kind of marigold plant diseases and insect pests, we can use 400,600x liquid HILOT Kai cream dilution spray to spray the diseased plant, generally spray once every 5-7 days, 2-3 times later can be cured.

two。 Rust disease

Rust is one of the most common diseases and insect pests of marigold. This disease mainly threatens the leaves, stems and fruits of plants. When the disease occurs, many blister spots will appear in the affected parts, and when serious, the blister spots will be dense and the plants will die quickly.

Prevention and cure: when rust occurs on marigold, we can spray it with 2000 times of WP, which is usually sprayed once every 7-10 days, and can be cured once or twice.

What to do with the growth of Chrysanthemum morifolium? pest control of Chrysanthemum morifolium / 2 insect pests 3 diseases

In the process of breeding golden rooster chrysanthemum, the last thing we want to encounter is diseases and insect pests, this kind of problem is very harmful to the plant, so we must deal with it as soon as we find it. What about the golden rooster chrysanthemum worm? How to do the pest control of Chrysanthemum morifolium? Next, the editor will take you to learn about it.

First, what if the golden rooster chrysanthemum has grown worms? find the reason.

If you want to know what to do with the golden rooster chrysanthemum worm, we must first understand what kind of worm it is, so that we can deal with it pertinently, because the treatment methods of each kind of diseases and insect pests are different, and the details are described in detail below. Friends who are troubled in this respect can learn about it.

II. Pest control of Chrysanthemum morifolium (pest)

Thrips

Thrips are the general name of Thysanoptera of Insecta. They are relatively small in size, generally between 0.5-2mm in length, and rarely larger than 7mm in volume. This pest mainly harms the corm leaves of Chrysanthemum morifolium, which will gradually absorb nutrients, resulting in the gradual loss of green leaves and the phenomenon of yellowing and drying up.

Control method: when we deal with the diseases and insect pests of this kind of chrysanthemum, we can use 3000 times of imidacloprid and 60, 000 times of Emile for rotational spray control.

Red spider

Among the diseases and insect pests of golden rooster chrysanthemum, red spider is a relatively common one, its high incidence period is in the summer every year, so at this time we must pay special attention to, when this kind of pest occurs, the leaves of the plant will gradually turn yellow and whiten, if it is not treated for a long time, it will also lead to the phenomenon of plant wilting.

Control method: when we deal with the pest of red spider, we can directly use 40% diclofenac EC 1000-1500 times to spray, generally three times in a row can completely kill this pest.

III. Pest control of Chrysanthemum morifolium (disease)

White star disease

White spot disease mainly threatens the leaves of Chrysanthemum morifolium. Many dark brown disease spots appear on the leaves at the onset of the disease, and then become dark brown in the periphery and gray in the center. This disease mostly occurs on the lower leaves, and in severe cases, the leaves will also appear the phenomenon of curling drying.

Prevention and control methods: for this kind of diseases and insect pests of Chrysanthemum, we can use 75% Chlorothalonil wettable powder 500-800 times to spray the diseased plants, usually once every half a month or so, and then recover after 1-2 times.

Rust disease

Rust is one of the most common diseases and insect pests in Chrysanthemum morifolium. This disease mainly threatens the leaves, stems and fruits of plants. When the disease occurs, many blister spots will appear in the affected parts, and when serious, the blister spots will be dense and the plants will die quickly as a result.

Prevention and control method: when rust occurs on golden chrysanthemum, we can spray it with 2000 times of Weiluiling wettable powder, which is usually sprayed once every 7-10 days and can be cured once or twice.

Leaf spot disease

Leaf spot is a disease caused by fungi, and its high incidence period is in spring and autumn every year, so we must pay special attention in these two seasons. Leaf spot mainly harms the leaves of Chrysanthemum morifolium, many prototype disease spots will appear on the leaves, and the disease spots will gradually expand, the shape will also become irregular, it is best to lead to the gradual death of the plant.

Control method: we can use 80% mancozeb 400-600 times to spray the diseased plant when controlling the diseases and insect pests of Chrysanthemum morifolium, which is usually sprayed once every 10-15 days, and can be cured once or twice.