mildew leaf Learn more about mildew leaf
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Flower, fruit, wheat each kind of crop occurrence powdery mildew what medicine is better? What are the symptoms?
Powdery mildew is one of the main diseases of vegetables in summer. The disease is easy to occur in summer because of high temperature, stuffy humidity, improper fertilization, overgrowth of plants, poor ventilation and so on. What kind of medicine is better for powdery mildew? What are the symptoms? Powdery mildew often occurs in plants.
2020-11-09 Flowers fruits wheat all kinds of crops occurrence powdery mildew disease -
What medicine does Chinese cabbage downy mildew hit? What are the main symptoms?
Chinese cabbage downy mildew, commonly known as white mildew, downy leaf disease, etc., is a very common fungal disease in Chinese cabbage planting areas. What are the main symptoms? Chinese cabbage downy mildew, commonly known as white mildew, downy leaf disease and so on, is mainly harmful to leaves.
2020-11-09 Cabbage frost mildew hit what medicine main symptom what is it? -
Introduction of symptoms and control methods of powdery mildew of Lycium barbarum
Lycium barbarum powdery mildew, also known as Lycium barbarum leaf spot, is mainly harmful to leaves and fruits. The leaf infected with the disease is round to nearly round, the size is 2mm, the edge of the spot is brown, the center of the spot is gray, and the back of the leaf is often black-gray mildew. Fruit infection also produces similar symptoms.
2018-08-31 -
Harm and control measures of wheat powdery mildew
The disease can damage the aboveground organs of wheat plants, but mainly leaves and leaf sheaths, and glumes and awn can also be damaged when the disease is serious. At the beginning of the disease, the white mildew spot of 1~2mm appeared on the leaf surface, and then gradually expanded into nearly round to oval white mildew spot, and there was a layer of white powder on the surface of the mildew spot, which scattered immediately in case of external force or vibration. This is...
2018-09-13 -
Control of downy mildew of Radix Isatidis
Symptoms: yellow-white disease spots with inconspicuous edges appeared on the leaves, gradually enlarged and limited by leaf veins. Become polygonal or irregular. There is a layer of gray downy mildew on the corresponding back, that is, the pathogen cyst peduncle and spores exposed outside the host.
2020-11-08 Species Radix Isatidis frost mildew control symptoms disease leaves in -
How to control Anthurium andraeanum leaf mildew?
Anthurium andraeanum leaf mildew is caused by half-known fungi. The pathogen overwintered with hyphae or conidia in the diseased part or on the soil surface with the disease residue. It was weak parasitic bacteria, mostly secondary parasitic bacteria or saprophytic bacteria, which often appeared on the senescent leaves, and the plant expanded rapidly in the later stage of plant growth. In production
2019-03-03 -
The latest course of control techniques and methods of tomato powdery mildew
Tomato powdery mildew is mainly harmful to leaves, petioles, stems and fruits can also be damaged sometimes, the leaves appear white mildew spots, scattered, and then gradually expand into white powder spots, and connect with each other into powdery mildew spots of different sizes, and in serious cases, the whole leaf surface is covered with powdery mildew, like being sprinkled.
2020-11-10 Latest tomato powder disease control technology method tutorial -
Control techniques of Tomato powdery mildew
Control techniques of Tomato powdery mildew
2018-07-05 -
Powdery Mildew Causes Leaf Browning and Death How to Control Powdery Mildew of Cucurbita
Powdery Mildew Causes Leaf Browning and Death How to Control Powdery Mildew of Cucurbita
2018-07-14 -
Principle and Control of Cauliflower Downy Mildew
Cauliflower is a kind of vegetable, belonging to the variety of cabbage, cauliflower is cruciferous plant, a leaf cauliflower production (20) seed broad, base blunt, wavy edges, smooth glabrous, open yellow and white flowers of one or two annual herbs. foliation
2020-11-08 cauliflower downy mildew principle and control yes vegetable -
What agents are used to control tomato leaf mildew?
Leaf mildew is a common disease in tomato. Although it does not directly infect the fruit, it will lead to the decrease of leaf function and affect the yield and quality. In production, some farmers often report that it is difficult to control leaf mold, and the effect is not obvious after spraying. The cause of poor control effect is mainly due to improper prevention and control methods, and attention should be paid to the following.
2018-09-11 -
Lettuce planting: what is lettuce downy mildew?
What is lettuce downy mildew? What harm does downy mildew do to lettuce? What prevention and cure method does lettuce downy mildew have? Hope that experienced netizens can help guide the harm and control methods of lettuce downy mildew, the following is a detailed introduction for reference: lettuce downy mildew harm: lettuce seedlings, adult plants can be affected.
2018-07-18 -
Rice pest control: what is rice downy mildew?
What is rice downy mildew? What are the hazards of rice downy mildew? How to prevent and cure rice downy mildew? Please guide the harm of rice downy mildew: Rice downy mildew generally appears symptoms in the late stage of seedling field, and the symptoms are significant in the peak tillering stage. The diseased plant is dwarf, the leaf color is light green; the leaves have yellow-white dots, round or oval.
2018-09-08 -
Special Topics on Orchid Diseases and insect pests
Look at the special topic of orchid diseases and insect pests and treat the disease "two".
2018-04-02 -
Honeysuckle planting technique: what is honeysuckle powdery mildew?
What is honeysuckle powdery mildew? What harm does powdery mildew do to honeysuckle? Netizens are also asked to help introduce the harm of powdery mildew to honeysuckle: powdery mildew mainly harms leaves and sometimes stems and flowers. The disease spot on the leaf is a small white spot at first, then expands into a white powdery spot, and the whole leaf is covered with powdery layer in the later stage.
2018-07-17 -
How to prevent and cure pineapple stem spot mildew leaf spot?
How to prevent and cure pineapple stem spot mildew leaf spot? What harm does pineapple stem spot mildew leaf spot disease have? Please introduce the harm of pineapple stem spot leaf spot: pineapple stem spot leaf spot is a common disease, which belongs to a kind of leaf spot disease, which mainly harms leaves and affects leaf photosynthesis.
2018-07-18 -
How to control the latest tomato leaf mold?
Tomato leaf mildew occurs on leaves, stems, flowers and fruits of tomato, but it is common on the leaves. At the beginning, some green spots appear on the back of the leaves, and in the later stage, they become gray or black-purple irregular mold layer. The front of the leaf is corresponding.
2020-11-10 The latest tomato leaf mold leaf mildew how control -
Control of powdery mildew of growing wheat
In recent years, with the improvement of fertilizer and water conditions in wheat fields and the increase of population density in high-yield fields, the incidence of wheat powdery mildew increased year by year. After the wheat was parasitized by powdery mildew, the plant respiration increased, the transpiration intensity increased, and the photosynthetic efficiency decreased, which seriously affected the normal wheat.
2020-11-08 Seed wheat powdery mildew disease control in recent years with wheat field -
Control of powdery mildew of Euonymus tomentosa
The disease harms leaves and shoots. Most of the disease spots are distributed on the front of the leaves.
2018-10-21 -
Control techniques of cucumber downy mildew
Control techniques of cucumber downy mildew
2018-07-05