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Special terminology for plant diseases
Special terminology for plant diseases
2018-05-06 -
Hangtai Aquarium: what will happen if you give a heavy dose to sick fish?
Many breeders of ornamental fish do not recommend giving medicine when the fish is sick, thinking that it is one-third of the poison. In fact, the editor thinks that we are just worried that we can not control the dosage or can not diagnose the cause of the wrong medicine, as for how to diagnose fish disease before editor.
2018-05-21 -
Diagnostic techniques of Newcastle disease in chickens
Since the recognition of Newcastle disease (ND) in 1926, many countries have regarded ND as an endemic epidemic. With the exception of a few countries that produce poultry at commercial grade, all countries are vaccinated. One of the most characteristic properties of different strains of chicken Newcastle disease virus (NDV) is that its pathogenicity to chickens is very different. According to the clinical symptoms caused by infected chickens, NDV strains can be divided into 5 groups or disease types. they are: visceral virulent type, characterized by high pathogenicity and often seen with intestinal bleeding.
2019-01-16 -
A complete book on disease prevention and treatment of ornamental fish
A complete book on disease prevention and treatment of ornamental fish
2018-09-08 -
How to disinfect tomato seeds?
What's the use of disinfecting tomato seeds? How to disinfect tomato seeds? Hope that experienced netizens can help introduce tomato seeds that have not been coated before sowing, need to carry out seed disinfection treatment, farming network collated the benefits of tomato seed disinfection and disinfection methods, listed below for netizens' reference. ...
2018-07-17 -
Why are there so many yellow mushrooms recently?
Recently, I have received a lot of calls from mushroom farmers, saying that they have yellowed and died. I do not know what the reason is. After investigation, the author thinks that the following aspects can be used as a reference for the majority of mushroom farmers. 1. Most of the recent diseases are brown rot, brown spot, yellow spot and so on. The pathogens are verrucosporium, Verticillium, Staphylococcus heterogenes and so on. These pathogens have strong survival ability, low temperature tolerance, high humidity and normal growth in about 10 ℃. They are common pathogens from late autumn to early spring. 2 、
2019-01-16 -
Can pregnant sows be vaccinated against blue ears?
Can pregnant sows be vaccinated against blue ears?
2018-07-24 -
Systematic prevention of diseases in fish and shrimp
Systematic prevention of fish and shrimp diseases refers to taking preventive measures to control the occurrence and development of fish diseases from the seedling stocking stage to the beginning of adult fishing. The occurrence of fish and shrimp disease is the result of both body and external factors, in which the infection of pathogenic microorganisms is an important factor leading to the disease of fish and shrimp. As there are pathogenic microorganisms in the aquaculture water environment, such as viruses, bacteria, molds, parasites and other pathogenic microorganisms, once the environment deteriorates, the resistance of fish and shrimp decreases, which will cause a large number of pathogenic microorganisms to invade the fish and lead to the epidemic of diseases. Because of
2019-01-15 -
Diagnosis and control of rice seedling rot
Rice seedling rot is a general term for rotten seeds, rotten buds and dead seedlings caused by pathogen infection or non-pathogen influence. It can be divided into two categories: infectious and non-infectious (physiological). Non-infectious rotten seedlings mainly refer to those caused by adverse environment; infectious rotten seedlings refer to those caused by adverse environment, such as Pythium, Fusarium, etc.
2018-09-13 -
Sorghum downy mildew
Sorghum seedling blight-symptom sorghum can occur when it grows to 4-5 leaves. It begins with the lower leaf and expands upward. The infected leaves produce purplish red stripes and gradually unite, causing the leaves to die gradually from the top and the seeds turn brown. Sorghum seedling blight-pathogen. Fusarium oxysporum, which is called Fusarium moniliforme, is a subphylum fungus. In PDA medium.
2018-09-11 -
How to control camellia withered branch disease and flower rot?
How to control camellia withered branch disease and flower rot? Please introduce the methods for the control of camellia branch blight and flower rot by referring to the following methods: the withered branch disease is caused by pathogenic fungi infecting camellia twigs or old branches, the damaged branches are necrotic, the leaves change from green to yellowish, and gradually dry up and fall off from the top down. Finally.
2018-07-18 -
What should I pay attention to when using fungicides?
What should I pay attention to when using fungicides? There is no netizen to help introduce that agricultural fungicide is a kind of pesticide used to prevent and cure plant diseases caused by various pathogenic microorganisms, generally refers to fungicides, how to use improper effects will be greatly reduced, but also will cause crop drug damage; the field network has sorted out the fungicides and has been used.
2018-07-11 -
What are the common animal diseases of type I, II and III, respectively?
Animal diseases refer to animal infectious diseases and parasitic diseases. According to the degree of harm of animal diseases to aquaculture production and human health, the animal diseases managed by the Law of the people's Republic of China on Animal epidemic Prevention are divided into the following three categories: class I diseases, which refer to human beings.
2020-11-11 Common one two three types animals epidemic diseases respectively including -
Five links that should be paid attention to in pig farm disinfection
Five links that should be paid attention to in pig farm disinfection
2018-06-30 -
Fungal diseases of edible fungi and their control
Fungal diseases of edible fungi and their control
2019-07-10 -
How to plant roses scientifically?
How to plant roses scientifically? Please give guidance on rose planting can refer to the following methods: 1. Variety layout: Meilan lipstick and Bellamy are the main varieties in summer, and American powder can be used as summer or autumn and winter varieties. Cardinal and Hongjiu ○ are the main varieties in autumn and winter. 2, the planting period and.
2018-07-18 -
How to treat soil-borne diseases
Soil-borne diseases are diseases caused by pathogens such as fungi, bacteria, nematodes and viruses living in the soil with disease residues and infecting crops from the roots or stems of crops under suitable conditions. So, how to treat soil-borne diseases? 1. How to treat soil-borne diseases 1.
2020-11-08 Soil-borne disease how cure soil-borne disease refers to pathogens such as -
How to prevent and cure onion soft rot?
How to prevent and cure onion soft rot? Please give guidance to onion soft rot disease prevention and control can refer to the following methods: first, pre-control ⑴ seedlings preparation nursery select disease-resistant varieties to raise seedlings, eliminate weak seedlings, cultivate strong seedlings. ⑵ stubble chooses ventilated and transparent plots, corn, wheat and other excellent previous crops.
2018-07-18 -
What is octanoylamine?
What are the characteristics of octylamine fungicides? What is the mode of action of octylamine fungicides? The following land network is briefly introduced for netizens' reference. Octylamine is a kind of environment-friendly amino acid polymer fungicide, which contains organosilicon and Mimi bactericidal factors. it is a new generation of high-tech and environmental protection.
2018-07-11 -
Etiology, diagnosis and treatment of chronic glomerulonephritis in dogs
Chronic glomerulonephritis is referred to as chronic glomerulonephritis, which refers to diffuse inflammation of glomeruli. A chronic renal disease characterized by degeneration of renal tubules and cell infiltration and connective tissue hyperplasia in the renal interstitium. The etiology of chronic glomerulonephritis is the same as that of acute glomerulonephritis. However, the stimulation of the pathogen was mild and lasted for a long time. In addition, there are also acute glomerulonephritis that has not been completely controlled and converted to chronic nephritis. [symptoms] the development of chronic glomerulonephritis is slow and the clinical manifestation is mild. It can be seen that the sick dog is gradually losing weight. Initial stage
2019-01-15