-
Detailed Explanation of Pollution-Free Control Techniques for Tea Plant Pests and Diseases
The main pests currently occurring in tea gardens include the tea green leafhopper (Empoasca vitis), the pink tea mite (Acaphylla theae), and the tea geometrid (Ectropis obliqua); diseases include anthracnose and tea brown leaf spot. Tea farmers should strengthen tea garden surveys and carry out timely pest and disease control. For tea gardens with multiple concurrent pests, combine primary and secondary control, select high-efficiency, safe, pollution-free pesticides and biological pesticides, mix them rationally, reduce the number of sprayings, and ensure tea yield and quality. Because the overwintering base of the tea green leafhopper was relatively high last winter and this spring, as temperatures rise, tea gardens throughout the county
-
Control methods for diseases, pests and weeds during the cotton sowing period and seedling stage
This year, affected by abnormal climate, the cotton sowing time in our province was delayed. Under this continuous low-temperature condition, cotton growth and development were delayed, and the degree of disease and pest damage was relatively aggravated. For this reason, the situation facing cotton disease and pest control this year is more severe. From the start of sowing, every key control technique must be firmly implemented, especially the links in pesticide selection and use. The main disease and pest control techniques for the sowing period and seedling stage are introduced to the broad community of farmers as follows: 1. Strictly control the seed treatment with pesticides at the sowing stage. Before cotton sowing, focus on
-
Detailed Guide to Controlling Common Diseases of Oyster Mushrooms
On cloudy days, with insufficient light, high relative humidity inside the mushroom shed, and poor ventilation, oyster mushrooms are extremely prone to two concurrent diseases: soft rot and bacterial spot disease. So how can these concurrent diseases be prevented and controlled? Based on our practical experience, we hereby introduce the following integrated control methods to mushroom growers. 1. Select and breed disease-resistant varieties and cultivate vigorous mycelium to improve the disease resistance of oyster mushrooms. For example: Hebei Wubaozi, Jiangsu Yefeng, etc., whose mycelium grows snow-white, whose fruiting bodies have strong disease resistance, and whose yields are high. 2. Increase ventilation to purify the air environment. 3. Use the ditch water replenishment method
-
How to prevent and control common physiological diseases of oyster mushrooms?
1. Mycelial overgrowth. In oyster mushroom production, mycelial overgrowth often causes the mycelium to become densely clumped, forming old mycelial skin that fails to produce mushrooms. The main causes are aging of the spawn or subculturing with aerial mycelium during the transfer of primary spawn. In production, if the mushroom house is poorly ventilated, the temperature is too high, or the film is left covering for too long, mycelial overgrowth without mushroom production can also occur. Prevention and control methods: strengthen spawn production management; during the fruiting body differentiation stage, increase the ventilation of the mushroom house and lower the temperature of the mushroom house. When old mycelial skin appears during cultivation, promptly remove the old mycelial skin, score the mycelial block and mycelial film to stimulate mushroom production.
-
Occurrence and Control Methods of Common Diseases in Oyster Mushrooms
In recent years, with the expansion of oyster mushroom cultivation areas and the increase in cultivation years, pest damage has become increasingly common, showing a trend of early and rapid occurrence, and in severe cases, entire flushes of mushrooms are lost. Because oyster mushrooms are relatively sensitive to pesticides and prone to phytotoxicity, applying chemicals after pest outbreaks makes it difficult to achieve the effect of eliminating pests while protecting the mushrooms. Therefore, identifying the damage characteristics of various pests and reducing infection sources are effective measures to avoid and reduce pest occurrence. I. Pest Species 1. Sciarid flies, also called dark-winged fungus gnats, commonly known as small black mosquitoes, small flies, or white maggots (referring to larvae). They belong to the order Diptera, mosquito-like insects.
-
A Detailed Guide to Drying Oyster Mushrooms: Learn to Dry Oyster Mushrooms with Ease
Drying oyster mushrooms generally includes shade drying, sun drying, oven drying, and other methods. Among the methods for drying oyster mushrooms, sun drying is an economical method that requires no equipment. Shade drying also requires no equipment: the oyster mushrooms are placed in a ventilated spot and dried by natural air, but this method is limited by weather conditions. When drying oyster mushrooms on a large scale, oven drying is commonly used in production. First, a drying room must be built, and the heat source can be charcoal fire or coal. The drying room must have exhaust equipment to prevent smoke from remaining in the room. At the beginning, the temperature in the drying room can be controlled at around 35°C, and after 10 hours
-
Current Major Diseases of Northern Oyster Mushrooms and Their Control Techniques
1 Soft Rot Disease 1.1 Disease Symptoms The surface of the substrate or the mushroom bodies become covered with a layer of white cottony mycelial threads, fine and soft but growing very rapidly; the gradually infected mushroom bodies develop a light brown morbid condition spreading upward from the base of the stipe, and the mushroom bodies gradually soften and rot; about one week after infection, the mushroom bodies collapse on their own, or topple at the slightest touch, just like Chinese cabbage suffering from soft rot, but the soft-rotted mushroom bodies have no foul odor; mushroom bodies not yet soft-rotted grow extremely slowly, the caps gradually turn earthy yellow, lifeless and dull, clearly different from normal mushroom bodies; infected substrate no longer
-
How to prevent and control common lily diseases? Detailed prevention and control methods
1. Soft rot. It harms the bulbs, causing them to rot and giving off a foul, offensive odor. It occurs severely when the temperature is high and humidity is great, causing rampant damage and spreading rapidly. Before planting, select undamaged bulbs and soak them in a 0.1% potassium permanganate aqueous solution for 8-10 minutes to disinfect them. After the disease occurs in the field, use a 5000-fold agricultural streptomycin aqueous solution, or a 5000-fold streptomycin sulfate aqueous solution, or a 5000-fold new phytomycin aqueous solution to drench the roots and spray the leaves, once every 7-10 days, for 2-3 consecutive times, pouring 2-3 kg
-
A Detailed Guide to Common Lily Diseases and Their Control Methods
1. Bulb and scale rot and stem diseases caused by Fusarium. Symptoms: In plants with bulb and scale rot, growth is very slow and the leaves are pale green. Underground, brown spots appear at the top of the scales, on the sides, or where the scales join the basal plate, and these spots gradually begin to rot. If the basal plate stem is infected, the entire bulb will rot. The stem and leaf diseases caused by Fusarium are diseases that infect the above-ground parts. The identifying sign is that the basal leaves turn yellow before reaching maturity, and the yellowed leaves turn brown and drop off. On the stem
-
How are nutritional and metabolic diseases in foxes diagnosed, prevented and treated?
Nutritional and metabolic diseases refer to conditions where the nutrients contained in the feed, especially vitamins and minerals, are supplied in amounts that cannot meet the growth and development needs of the fox's body. Sometimes nutritional and metabolic diseases occur not because the nutrient content of the feed is insufficient, but because the animal's digestive function is impaired. When formulating feed, attention should also be paid to the interrelationships between vitamins and between minerals (complementary or antagonistic). The nutritional and metabolic diseases that fur-bearing animals are prone to mainly include the following five types. (1) Vitamin A deficiency Vitamin A deficiency
条件筛选