What about the Silver Queen's worms? pest control of the Silver Queen / 2 insect pests 2 diseases

In the process of breeding the Silver Queen, the last thing we want to encounter is the problem of diseases and insect pests, which do great harm to the plant, not only affect the beauty, but also make the plant withered. What about the Silver Queen's worms? What does Queen Silver need to do to prevent and control diseases and insect pests? Next, the editor will take you to learn about it.

First, what about the silver queen's long worm? find the reason first.

If you want to know what the silver queen is going to do, we first need to know what kind of insect is growing, so that we can deal with it pertinently, because each kind of silver queen's pest control methods are different, details in the following, we continue to look at.

II. Disease and pest control of Queen Silver (pest)

1. Scale insect

The scale insect is a kind of insect pest with high incidence in the growth process of the Silver Empress, which mainly threatens the leaves, branches and fruits of the Silver Empress, resulting in its leaves gradually yellowing and falling off, and finally the whole Silver Empress will gradually wither.

Prevention and control method: when we control this silver queen's disease and insect pest, we can use 50% marathon emulsion 1000Mel 1500 times to spray and kill it once a week or so, 2-3 times can completely eliminate it.

two。 Brown soft scale

Brown scale is a kind of insect of the family Coccidae. It mainly feeds on the sap of the leaves of the Silver Queen and gradually absorbs the sap, which leads to the loss of nutrients and the phenomenon of leaf yellowing and wilting.

Control method: in the prevention and control of this silver queen's diseases and insect pests, we can use 20% permethrin 2000 times solution to directly spray it.

III. Prevention and control of diseases and insect pests of Queen Silver (diseases)

1. 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 to it during this period. Leaf spot mainly harms the leaves of the Silver Empress, there will be many round disease spots on the leaves, and the disease spots will gradually expand, the shape will become irregular, and finally lead to the gradual death of the plant.

Control methods: in the prevention and control of diseases and insect pests of the Silver Queen, we can use 0.5% Bordeaux solution or 1000 times carbendazim solution to spray and control the diseased plants.

two。 Anthrax

Anthracnose is a disease that mainly threatens the leaves of the Silver Empress. At the initial stage of the disease, many brown spots will appear on the leaves, and with the passage of time, the spots will gradually expand and occupy the general area of the leaflets, so that the plants can not carry out photosynthesis and gradually wither and yellow, and the leaves will gradually fall off.

Control methods: when we control the diseases and insect pests of the Silver Queen, we can use Bordeaux liquid or 1500 times of Topurazine to spray, usually spray once every 7-10 days, 2-3 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 glabrous flowers? pest control of glabrous cotyledons / 2 insect pests 2 diseases

In the process of cultivating bare-leaf cotyledons, the last thing we want to encounter is the problems of diseases and insect pests, which do great harm to the plant, which will not only affect its ornamental, but also lead to the phenomenon of plant death. What about the bare-leaf flower worms? What do you need to do to control the diseases and insect pests of bare-leaf flowers? Next, the editor will take you to learn about it.

First, what to do with bare leaves and flower worms? find the reason.

If you want to know what to do with the light-leaf flower worm, we must first understand what kind of insect is growing, so that we can carry out targeted treatment, because the treatment methods of each kind of diseases and insect pests are different, and the details are introduced below. Friends who are troubled in this respect can learn about it.

II. Pest control of glabrous flower (pest)

1. Aphids

Aphids are a kind of insect pest that may occur in many plants, and bare-leaf flowers are no exception. It mainly uses nymphs to absorb the sap from leaves, stems, tender heads and young ears, which makes the plant lose a lot of nutrients and finally wither.

Control methods: in view of aphids, the most direct way to kill aphids is to spray them. In terms of pharmaceuticals, we can choose 3000 times of aldicarb wettable powder.

two。 Shell worm

The scale insect is a kind of extremely harmful pest, which mainly threatens the leaves, branches and fruits of crane flowers. It will cause yellowing of leaves, withering of branches, decline of tree potential and so on, as well as coal fouling disease.

Control method: when we deal with the diseases and insect pests of shell insects, we can directly use 45% malathion EC 1000 times to spray and kill them.

3. Control of diseases and insect pests of glabrous flowers (diseases)

1. Leaf spot disease

Leaf spot disease, through its name, we know that it is harmful to plant leaves, there will be many irregular disease spots on the leaves of leaf flowers at the onset of disease, and small black spots will appear on the disease spots over time, which will affect the ornamental quality very much.

Control methods: when we deal with the diseases and insect pests of this glabrous cotyledon, we can use 50% carbendazim wet powder 500 times to spray the diseased plants, usually once every 7-10 days, and then recover after 3-4 times.

two。 Brown spot disease

Brown spot, also known as Rhizoctonia solani, is a fungal disease caused by Rhizoctonia solani. During the disease, many yellow-brown to light brown spots with a diameter of 0.1-0.5cm will appear on the leaves, and the disease spots will spread gradually with the passage of time, resulting in the phenomenon of plant death.

Prevention and control methods: when we find this disease and insect pest of the glabrous cotyledon, if the number of diseased leaves is relatively small, we can remove and destroy them in time. If there are more, we have to use 70% mancozeb wettable powder 400 times to treat it. Generally, the diseased plant is sprayed once every 10 days, and then it can be cured after 3 times.