Control of Diseases and insect pests in Milan Flower

Rice flower diseases and insect pests control, Milan during the growth of diseases are: stem rot, anthracnose; pests are: White moth wax cicada, aphids, red spiders, brown soft scale and other pests.

Milan stem rot

The disease occurs on the stems of Milan plants. The initial stage of the disease is a small black spot, and after enlargement, it is striped and dark brown. Most of the disease spots reached one piece, and the plant died after 1 week around the stem. The leaves generally do not fall off. When it dies in the later stage, a black-gray sticky substance will appear on the stem. The disease can occur year-round in greenhouses, especially in spring.

Prevention and cure method: ① cleans and burns disease and dead plants in time. At the initial stage of the onset of ②, 0.5-1% Bordeaux solution can be used to foam the plant stem, or 1-2 degree stone sulfur mixture or 70% topiramate 800x solution can be applied, all of which have good prevention and treatment effect.

Anthracnose in Milan

The disease was the most common from June to October. The disease is a major disease in Milan. Milan is prone to the disease in areas with poor ventilation and poor plant growth. It can occur on the leaf, petiole, tender stem and stem of the plant. In the early stage of leaf disease, the disease spot invaded from the leaf tip and leaf edge, and after infection, the leaf tip turned brown, and the disease spot could reach half of the leaf surface, forming a semicircular irregular grayish brown spot.

Prevention and treatment methods: careful maintenance, find diseased leaves or diseased petioles, should be removed in time; improve ventilation and light transmission conditions. It can also be sprayed with potassium permanganate 1000-1200 times aqueous solution.

White moth wax cicada

The harm of white wax cicada to Milan is that its adults and larvae suck sap on branches and shoots, affecting plant growth. If the heavy plant is dry, its excrement can also cause coal fouling disease.

Control method: when the damage to adults and larvae occurs, it can be sprayed with 1000 times of trichlorfon (or 1000 times of 50% phosphoamine EC), and the effect is better.

Aphids and red spiders harm Milan

Spray 40% dimethoate with 1000-1500 times water. The above is an introduction to the prevention and control of diseases and insect pests in Milan flowers.

What should we do if the rice flower grows worms? disease and pest control of the rice flower / 3 insect pests and 2 diseases

In the efficacy and function of Milan flowers, its ornamental is relatively well known, but if this kind of ornamental flowers are cultivated in the wrong way, it is easy to have some diseases and insect pests, so what should we do if Milan flowers grow worms? What do you need to do to prevent and control diseases and insect pests in Milan? Next, the editor will take you to learn about it.

First, what to do when the rice flower grows worms / targeted treatment

II. Disease and pest control of Milano flower

Pest 1: scale insects

Symptoms: this pest mainly harms the branches and leaves of Milan, it will gradually absorb the sap in the branches and leaves, if left untreated for a long time, it will lead to excessive nutrient loss and death of Milan flowers.

Control methods: for shell insects, we can use 1000 times of omethoate to spray, usually once in 7-10 days, and basically eliminate the pest after 1-2 times.

Pest 2: aphids

Symptoms: in the prevention and control of diseases and insect pests in Milan flowers, aphids are a relatively common pest. They mainly harm the leaves of Milan flowers, gradually suck up the juice in the leaves, and form some withered spots on the leaves, resulting in the gradual death of Milan flowers.

Control method: the reproductive ability of this pest is very strong, so we must deal with it as soon as possible when we find it. We can use 1500-2000 times of imidacloprid water solvent to spray directly.

Pest 3: red spider

Symptoms: red spider is an omnivorous pest with a high incidence period from July to August every year, so we must pay special attention to it during this period of time. It mainly harms the branches and leaves of the plant and gradually absorbs the sap. This leads to the loss of nutrients in Milan and the phenomenon of wilting.

Control methods: in the prevention and control of this pest, we can use 2000 times EC to spray, usually once every 10-15 days, 1-2 times after the basic elimination of this pest.

Disease 1: anthrax

Symptoms: anthracnose is a kind of disease with high incidence in the pest control of Milan flower, which is harmful to the whole plant of Milan flower. Some brown spots will appear on the leaves at the initial stage of the disease, and will gradually spread to the whole plant with the development of time, resulting in the death of the whole plant.

Prevention and control methods: when this disease occurs, we must control it at the initial stage, if it takes a long time, it will be difficult to cure it. We can use 50% carbendan 500 times solution to spray the diseased plant.

Disease 2: coal pollution disease

Symptoms: this disease mainly harms the leaves of Milan, there will be many black mildew spots on the leaves, and will gradually cover the whole leaf, affecting its photosynthesis, and finally lead to the death of Milan gradually.

Prevention and treatment: in the prevention and control of this disease, we can use 1000 times of methyl topiramate to spray Milan flowers, usually once every 7-12 days, and can be basically cured after 2-3 times.

Prevention and control of common diseases and insect pests in Milan flower

Milan flower, (Latin name: Aglaia odorata Lour) alias: four Seasons Milan, broken Milan. Neem family, orchid evergreen shrubs or small trees; adapt to warm and humid climatic conditions, adult plants need plenty of sunlight. Its luxuriant branches and leaves, green and bright leaves, blossom many times in a year, the most prosperous in summer and autumn. When it blossoms, it smells like an orchid. There are often stellate rust-colored scales at the top of branchlets.

Pinnately compound leaves alternate, yellow flowers, extremely fragrant, about 2 mm in diameter. Bisexual pedicel slightly short and thick, calyx 5-lobed, petals 5, oblong; berries subglobose, 10-12 mm long, flowering between summer and autumn. Prevention and control of common diseases and insect pests in Milan flower

1. Aphids spray plants with cigarette butts or pepper water. It can also be sprayed with 800 times liquid of mifepril. If the quantity is small, it can be brushed off manually with a small brush. two。 The shell worm was sprayed with Jiejie l500 times solution. When the quantity is small, it can be brushed off manually with a brush. 3. Hongqi sprayed the plant with 1000 times of dichlorvos or 2000 times of dimethoate. 4. Soot disease is easy to occur due to high temperature, high humidity and poor ventilation. Prevention and control methods: improve the environment, rinse leaves and branches with water, or spray with 1000 times of methyl topiramate.