spot disease Learn more about spot disease
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Special Topics on Orchid Diseases and insect pests
Orchid diseases and insect pests special picture treatment, white silk disease usually preventive medicine: pesticide name: methyl Likuling EC; action characteristics: internal absorption 20% sterilization.
2018-04-02 -
Prevention and treatment of cucumber target spot disease spot with target eye leaf in greenhouse
Prevention and treatment of cucumber target spot disease spot with target eye leaf in greenhouse
2018-07-11 -
Control methods of harmful symptoms of plant brown spot and the difference between plant brown spot and anthracnose
Brown spot is a fungal disease caused by Rhizoctonia solani, which is widely distributed all over the world and can infect all turfgrasses, especially cold-season turfgrasses, resulting in the death of lawn plants and the formation of large area bald spots on the lawn. Greatly destroy the lawn landscape
2018-09-05 -
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 -
Peanut planting technology: what is peanut net spot disease?
What is peanut net spot? How to control peanut net spot disease? Please also help introduce the cultivation network sorted out the harm and prevention methods of peanut net spot disease, listed below for netizens reference. Peanut net spot disease harm: peanut net spot disease, also known as brown stripe disease, moire spot disease, often mixed with leaf spot disease...
2018-07-17 -
Why are there spots on lettuce leaves? are there any spots on lettuce to eat? Lettuce brown spot, how to make self-made medicine
What is the reason for the spots on lettuce leaves?
2019-02-15 -
Control methods of Leaf spot of Pelargonium
[symptoms] at the beginning of the disease, chlorotic spots appeared on the susceptible leaves, and then the lesions gradually expanded to form large round spots. The disease spot is dark brown and has concentric rings. In the later stage of the disease, a black-green mold layer appeared on the disease spot, which was the conidia of the pathogen.
2019-03-05 -
What is soybean gray spot disease and how to prevent it?
What is soybean gray spot disease and how to prevent it? Ask to instruct soybean gray spot disease: (1) harm and symptom soybean gray spot disease calls brown spot disease again, spot disease or frog eye disease. Soybean gray spot is a worldwide disease, and also an important disease in main soybean producing areas in China, especially in Northeast China. The pathogen is located in the eastern part of Heilongjiang Province.
2018-09-10 -
Diagnosis and Control of Cotton Seedling Diseases
Diagnosis and control of cotton diseases at seedling stage there are many kinds of diseases in cotton seedling stage, but there are mainly two types of diseases: root disease and leaf disease. Root diseases often lead to rotting before emergence, rotten buds, root rot and stem base rot after emergence are the main causes of lack of seedlings and broken ridges in cotton fields, such as standing blight, anthracnose, red rot, quenching and so on. The leaf disease is harmful to the cotyledons, true leaves and stems of cotton seedlings, and when it is serious, the top of the stem and leaves wither and fall off, such as black spot, brown spot, cotton seedling blight, stem blight and so on. This film focuses on an overview of several
2019-01-16 -
Control of Cucumber Target spot
Cucumber target spot is a kind of fungal disease, and the pathogen is Cladosporium melonensis, so it is also called clavulosporium leaf spot. It has been reported in various parts of our country in the past, but it is not very serious. In recent years, with the continuous development of protected cultivation, the disease has become an important leaf disease in cucumber production.
2018-09-14 -
Identification and diagnosis of main diseases and pests in melons and vegetables
Identification and diagnosis of main diseases and pests in melons and vegetables
2018-07-10 -
Harmful symptoms and control methods of peanut brown spot
Peanut brown spot is a fungal disease, which is caused by Cercospora hypogaea infection. Peanut leaves are damaged by chlorotic spots at first, then expand into near round or irregular spots, the disease spot is larger and lighter than black spot, the leaf front is dark brown or tea brown, the back is brown or yellow brown, and there is a bright yellow halo around the spot.
2018-09-06 -
Control techniques of Maize Leaf spot and Leaf spot
Corn leaf spot and small leaf spot are mainly harmful to leaves, and sometimes infect leaf sheaths and bracts. Leaf spot can not only damage the above-mentioned parts, but also damage ears. In many areas, these two diseases are collectively referred to as "corn spot". 1. Symptom recognition: the typical symptom of corn leaf spot is the rapid expansion of small spots and the growth of large edges.
2018-09-12 -
What about the spots on the leaves of the rich tree? what about leaf blight?
Make a fortune tree, this is a lot of people are super like, this name is not super auspicious, to see how to make a fortune tree with long leaf spots? What about the leaf blight of the rich tree: what about the long spots on the leaves of the rich tree: the leaf spot is easy to distinguish, and dark brown or brown spots grow on the leaves at the beginning.
2019-01-26 -
Black spot disease affects the appearance of pear how to control pear black spot disease
Black spot disease affects the appearance of pear how to control pear black spot disease
2018-07-14 -
What are the causes of crayfish white spot disease? How to treat it?
In recent years, the market price of crayfish is still considerable. It is understood that the price of crayfish rose to 40 yuan per jin in 2017, and the price trend was stable in 2018, keeping at about 20-30 yuan per jin. Attracted many novice farmers to make money from lobster farming and crayfish farming.
2020-11-11 Small lobster white spot disease cause have what how -
Occurrence and Control of Leaf spot of Carnation (Carnation)
Carnation, also known as carnation and carnation, is easily infected with leaf spot disease, affecting its growth and development and reducing the yield and quality of fresh cut flowers.
2018-10-21 -
Control methods of leaf spot and anthracnose of sunflower
Loose-tailed sunflower is a common green flower in home and office area. summing up the experience of flower friends, it is found that loose-tailed sunflower often develops leaf spot and anthracnose in the process of culture. The symptoms and prevention methods of these two diseases are briefly introduced. Anthracnose of sunflower: 1. Symptoms: after the occurrence of anthracnose of sunflower
2018-12-22 -
What is the reason for the appearance of spots on lettuce leaves?
What is the reason for the appearance of spots on lettuce leaves?
2019-02-15 -
What is the reason for the spots on the latest lettuce leaves?
Lettuce is one of our daily vegetables, it tastes good, nutritious, and unique eating method, planting management is simple, many people will plant some at home, pick and eat, but when planting lettuce leaves will appear spots, these spots will also spread. How did this happen?
2020-11-10 The latest lettuce leaves appearance spots what is it the reason