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What are the main common diseases of lilies?
(1) Lily leaf blight, also known as lily gray mold, is a widespread disease. It mainly damages leaves, but can also infect stems, buds and flowers. Leaf spots are round or oval, varying in size, light yellow to light reddish brown, and water-soaked. Under warm and humid conditions, the spots become thin and brittle, light gray, and semi-transparent, and in severe cases can cause the whole leaf to die; infected stems turn brown or become constricted, causing the plant to collapse; when young plants are infected, the growing points of stems and leaves become soft and rot and die; infected flower buds initially show small brown
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What are the main storage-period diseases of garlic scapes and garlic bulbs?
In Jinxiang County, Shandong Province, the garlic planting area has been around 500,000 mu in recent years, accounting for 40% of the county's cultivated land area. The county has 700 large and small constant-temperature warehouses, with a storage capacity of 450,000 t. Every year from late April to early-to-mid May, garlic scapes and garlic bulbs are harvested in a concentrated period. Apart from a small amount consumed locally or shipped out, most of the garlic scapes and garlic bulbs are stored. Losses occur during storage, and rot caused by various diseases is the main cause of loss during the storage of garlic scapes. 1 Diseases of garlic scapes during storage 1.1 Gray mold 1.1.1
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Practical Methods of Using Garlic to Prevent and Treat Fish Diseases
1. Treating enteritis: For every 100 kg of fish, use 0.5 kg of garlic bulbs, plus 0.3 kg of table salt, mix with feed and feed to the fish for 3-6 consecutive days. 2. Treating hemorrhagic disease: For every 10,000 fish, use 0.25 kg of garlic bulbs, 4 kg of alligator weed (fresh), and 0.2 kg of table salt, grind together with soybean cake and feed, twice a day for 4 consecutive days. 3. Treating dropsy (scale-standing disease): Add 0.25 kg of mashed garlic bulbs to every 50 kg of water, and soaking the diseased fish several times gives a good therapeutic effect. 4
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How to prevent and control rice diseases? Kejie Town in Changning County strengthens unified prevention and control
In June, continuous rainfall in Kejie Town, Changning County, caused bacterial leaf streak to occur to varying degrees in more than 8,000 mu of high-quality rice across the town. The town quickly organized agricultural science personnel, taking villages as units and focusing on high-quality rice demonstration plots, assigning two technicians from each village to go deep into farming households to provide scientific and technological guidance, fully launching a wave of unified prevention and control of rice, mainly targeting bacterial leaf streak. At the same time, a 200-mu high-quality rice demonstration area was established in the two villages of Kejie and Dadi, with 20 yuan per mu in unified prevention and control subsidy funds, and electric sprayers were used uniformly for prevention and control. As of
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Key rice diseases to focus on controlling in Guangdong currently
Bacterial leaf streak, rice blast, sheath blight and bacterial leaf blight are the four major diseases in late rice production in Guangdong, mainly damaging the leaves of plants in the early and middle stages of rice growth. The coastal typhoon-prone rice areas of our province are frequent-occurrence areas of bacterial leaf streak, while hilly and mountainous areas are mainly affected by rice blast and bacterial leaf streak. The occurrence periods, characteristics and control methods of bacterial leaf streak, rice blast and sheath blight are briefly described as follows: Bacterial leaf streak. Rice bacterial leaf streak has shown a spreading trend in Guangdong in recent years. The disease starts at the seedling stage and breaks out severely at the young panicle differentiation stage. Ty
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Occurrence of Pests and Diseases in Rice Seedbeds and Current Control Methods
During the rice seedbed stage, aphids, thrips, and damping-off disease mainly occur, harming the growth of rice seedlings. Adult and nymph rice thrips often gather at the leaf auricle, ligule, and inside the central leaf to cause damage; the affected parts first show small yellow-white spots, after which mottled white patches appear on the leaf surface. Affected seedlings recover green slowly, become stunted and fail to grow, appearing as if "stuck in the clump." Damping-off disease mostly occurs in wet (semi-dry) seedling nurseries and dry seedling nurseries, causing seedling death. Because temperatures in early to mid-April are unstable, aphids, thrips, and damping-off disease are prone to occur, affecting full, uniform, and strong seedlings. Agricultural technology centers of all townships and subdistrict offices are requested to strengthen water
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Winter control of rice pests and diseases can yield twice the result with half the effort
In winter, rice pests and diseases are in a dormant state: pests stop feeding and pathogens stop infecting. If farmers seize this favorable opportunity to carry out control, they can achieve twice the result with half the effort. 1. Dispose of diseased rice straw. Diseased straw is the overwintering site for the pathogens of rice bacterial leaf streak, bacterial blight, rice blast and many other diseases, and is the main source of infection the following year. Before the end of March, farmers can compost diseased straw at high temperature, or process it as feed or fuel, which can greatly reduce the number of pathogens. For diseased rice straw that cannot be fully processed before the end of March,
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Diagnosing Fish and Shrimp Diseases by Color and Disease Prevention and Treatment Methods
After fish and shrimp become ill, a certain part of their body or a certain organ takes on a distinctive color, which becomes a characteristic symptom of the disease they are suffering from. Animal medicine workers use this to name the disease for identification, prevention and treatment. This is a commonly used method in the animal medicine field, briefly described as follows: 1. "Red" diagnosis (1) Eel red spot disease is caused by Pseudomonas anguilliseptica, mainly harming Japanese eels; European eels are not easily infected. Symptoms: pinpoint hemorrhages appear on the lower jaw, operculum, base of the pectoral fins and the body surface of the abdomen, with death occurring within 1 to 2
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What types of bacterial diseases do koi carp get?
① Red-skin disease (hemorrhagic disease) Symptoms: extensive hyperemia of the epidermis. There are no large ulcers or swellings on the body surface, only obvious redness at the fin bases, nostrils and other areas, with visible blood streaks. In the later stages it is accompanied by ascites and gill rot. Pathogen and cause of infection: caused by Pseudomonas fluorescens, highly contagious. Unsanitary water, injuries, and spoiled feed can all cause this disease, and it occurs in all four seasons. Treatment: soak the sick fish in the original tank (pond) with a 2 ppm furacilin solution, soaking for several consecutive days
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How to prevent and treat swine respiratory diseases? Lecture 3 detailed explanation
4. Swine influenza Swine influenza (SI) is an extremely contagious respiratory infectious disease of pigs, characterized by sudden onset, sudden fever and other cold-like symptoms, with recovery being just as rapid as the onset. SI is caused by an influenza virus, of the same genus as the influenza viruses that infect humans, and this virus has the property of being able to infect both humans and animals. The appearance of SI in a herd is usually related to the introduction of new pigs into the farm. (1) Symptoms: Typical SI presents as a sudden severe outbreak affecting the entire herd. Within one or two
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