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What are the control methods for goji berry black fruit disease?
Black fruit disease is one of the main diseases of goji berry. The pathogen harms the green fruit, flowers and buds of goji berry, and also harms young branches and leaves. The disease is most severe in Shandong, Hebei and Shaanxi regions, causing about 50% yield loss, and up to 80% in severe cases. After the green fruit of goji berry is infected, small black spots or black patches or black net-like lines begin to appear. On cloudy and rainy days, the lesions expand rapidly, turning the fruit black and producing orange-red conidial masses, making it unfit for medicinal use. On sunny days the lesions develop slowly, the lesions turn black, and the unaffected parts can still turn red. Flowers infected
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What disease is Pigeon Paramyxovirus Type I
Raising pigeons is like raising other poultry: the wider the scale of rearing and the greater the numbers, the more diseases inevitably follow. This disease was discovered in recent years and is a highly contagious, septicemic infectious disease caused by Pigeon Paramyxovirus Type I. It is commonly known as pigeon Newcastle disease, and some also call it pigeon plague. In pigeon flocks it sometimes strikes ferociously, and sometimes occurs only sporadically. Squabs infected with this disease easily die in large numbers, and young pigeons and parent pigeons also die. The incubation period of this disease is 1 to 10 days, usually 1 to 5 days. Before onset, the birds appear completely normal; when mixed together, the
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Goji berries can protect brain cells and help prevent Alzheimer's disease
According to a report by Hong Kong's Ta Kung Pao, many people regard goji berries as a good traditional Chinese medicine for nourishing the liver and improving eyesight. A study by the Department of Anatomy at the University of Hong Kong's Faculty of Medicine has confirmed that goji berries can also protect neuron cells and help prevent Alzheimer's disease. However, Zheng Chuanzhong, assistant professor in the Department of Anatomy at the University of Hong Kong's Faculty of Medicine, who led the study, said that it has not yet been discovered which component of goji berries can effectively protect brain cells, so the next step of the research will be to conduct animal experiments and find the component in goji berries that effectively protects brain cells. The Department of Anatomy at the University of Hong Kong's Faculty of Medicine in two
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Which six diseases should be prevented when keeping dogs in spring?
Spring is a period of high incidence for various dog diseases. Therefore, it is very important to do a good job in the prevention and treatment of dog diseases in spring. Specifically, the prevention and treatment of the following six diseases should be carried out well. 1. Rabies Rabies, commonly known as mad dog disease and hydrophobia, is an acute, contact zoonotic disease caused by rabies virus, mainly invading the central nervous system. Preventive measures: The principle of prevention is mainly to do a good job in "prevention, inspection, elimination, and treatment." 1. Prevention: Make sure vaccination is done well. Dilute each bottle of vaccine with 10 ml of sterile water. After fully dissolving, inject 1 ml subcutaneously or intramuscularly into each dog.
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Symptom Identification and Control Methods of Rust Disease in Codonopsis pilosula
It damages the leaves. The diseased area on the underside of the leaf is slightly raised, forming the uredinium, which later ruptures and releases orange-yellow urediniospores. The disease is most severe from June to July. Control methods: (1) Clear away withered branches and fallen leaves in winter. (2) During the disease period, spray with a 200-fold dilution of 50% dinitro compound or a 400-fold dilution of 97% sodium dithiocarbamate, once every 7 days, for 2 to 3 consecutive applications.
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Symptom Identification and Control Methods for Peach Fungal Shot Hole Disease
[Symptoms] When leaves are infected, circular or nearly circular lesions initially appear, with purple edges and slight concentric rings, measuring 1-4 mm in size; later, grayish-brown mold-like growth develops on the lesions, the center dries up and falls out, forming shot holes with neat edges, and when there are many holes, the leaves drop off. When new shoots and fruit are infected, the symptoms are similar to those on leaves. [Disease Development Pattern] [Regional Damage Severity] [Integrated Control] (1) Eliminate the source of inoculum. Promptly prune diseased branches, thoroughly remove diseased leaves, and burn or bury them deeply. Before peach trees bud, spray
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Occurrence Patterns and Control Methods of Jujube Fruit Shrink Disease
I. Symptoms and Damage Jujube fruit shrink disease, also known as jujube fruit wilt disease, jujube fog wilt disease, etc., is one of the major diseases in all major jujube-growing regions of China. In jujube fruits affected by fruit shrink disease, yellow-brown irregular discolored spots first appear on the fruit shoulder or body, then the fruit skin becomes water-soaked and earthy yellow with indistinct edges, and later the fruit skin turns dark red, shrinks, and loses its luster. In the diseased area of the flesh, brown spots and earthy yellow softness appear from the outside inward. Diseased fruits taste bitter. The fruit stalk turns brown or dark brown. The entire diseased fruit is shrunken and small, and falls off before maturity.
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Common diseases of the tea tree mushroom and their control methods
The tea tree mushroom is a rare mushroom variety that has become very popular in domestic and international markets in recent years, but because pest and disease problems occur rather frequently, growers often fail to accurately identify the symptoms and pathogens and blindly apply chemical pesticides, which damages the mushrooms and leads to poor cultivation returns. The symptoms, pathogens and control measures of common infectious diseases are described below: 1. Brown rot. Affected fruiting bodies stop growing, and the caps and stipes rot and give off a foul odor. The pathogen is Mycogone perniciosa, which causes disease mainly through contaminated water or through contact with the hands, tools and other items that have touched diseased mushrooms.
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What are the control methods for arrowhead leaf spot disease?
1. Symptoms This disease mainly damages leaves and leaf stalks. The leaf spots are yellowish-brown to brown, polygonal, elliptical or irregular in shape, slightly zonate, surrounded by a yellow-green or green-brown halo; the spots sometimes merge with one another into large lesions, and in severe cases the leaves turn yellow and wither. On leaf stalks, the disease often produces short, streak-like brown spots, and under high humidity a gray mold grows on the surface of the spots. 2. Transmission route and disease pattern This disease is caused by infection by the fungus Cercospora sagittariae of the subphylum Deuteromycotina. The pathogen mainly overwinters as mycelium and conidiomata on diseased plant residues
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Yellow Peach Disease Occurrence Patterns and Control Methods
1. Peach leaf curl: The occurrence and damage of this disease are closely related to the climate in early spring. When peach buds begin to swell, if the temperature is low (10-16°C), lasts for a long time, and humidity is high, the disease occurs severely. When the temperature is above 21°C, the disease basically stops developing. 2. Peach bacterial shot hole: The pathogen of this disease overwinters in the diseased tissues of branches. After the beginning of spring, as the temperature rises, the bacteria in the diseased tissues begin to become active. After the peach tree blooms, the epidermis of the lesions ruptures, and the lesions overflow from the diseased tissues. The bacterial cells spread through wind, rain, and insects.
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