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Methods and Technical Key Points for Preventing and Controlling Pests and Diseases of Gastrodia elata
I. Diseases are mainly infections by miscellaneous fungi such as green mold, blue mold, and Mucor. When they occur severely, they can inhibit the growth of Armillaria mellea and can also infect Gastrodia elata tubers, causing rot. Prevention and control methods: (1) Choose well-drained plots for planting; (2) Select high-quality fungal wood; (3) Control temperature and maintain moisture during cultivation; (4) Fill the gaps between fungal wood with humus soil or rice grains. II. Pests mainly include white grubs, mole crickets, golden leaf beetles, termites, rats, and damage by livestock and poultry. Prevention and control methods: (1) Light trapping to kill; (2) Use 90% trichlorfon at 1000 times or 50% phoxim at 1000 times
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Detailed Explanation of Key Technical Points for Pest and Disease Control in Gastrodia elata
In recent years, we have trial-planted Gastrodia elata several times at the college and achieved a bountiful harvest, but pest and disease damage has also been common, seriously affecting the yield and quality of Gastrodia elata. The causes of their occurrence and prevention methods are described below: I. Diseases. There are mainly two categories of diseases that have a major impact on Gastrodia elata yield: one category is diseases caused by infection with harmful microorganisms, called pathogenic diseases; the other category is physiological tuber rot. 1. Soft rot of tubers. (1) Symptoms: Tubers affected by soft rot show yellowed and withered skin, with the central tissue decayed.
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Methods and Technical Key Points for the Prevention and Control of Pests and Diseases in Schisandra chinensis
(1) Leaf blight starts at the leaf tip or margin in the early stage of the disease, infects the entire leaf surface, causing it to turn yellow, wither and drop; in severe cases, the fruit clusters drop. Prevention and control methods: strengthen field management and ensure good ventilation and light penetration. In the early stage of the disease, spray with 1:1:100 Bordeaux mixture, once every 7 days, for several consecutive applications. (2) Leaf roller larvae cause damage, resulting in rolled leaves, affecting fruit growth and even causing fruit drop. Prevention and control methods: use 50% phoxim 1500-fold solution or 50% phosphamidon 1500-fold solution or 40% dimethoate 1000-fold solution or 80% trichlorfon
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What technical points should be noted for indoor cultivation of oyster mushrooms?
Oyster mushrooms are welcomed by people for their delicious taste, short production cycle and ease of cultivation. Especially in Northeast China, where the climate is cold in winter and spring and fresh vegetables are scarce, growing oyster mushrooms indoors to supply the market is truly a good way to make money. However, a prominent problem in indoor cultivation of oyster mushrooms is that the air temperature is not easy to control and the surface layer of the substrate dries out easily, affecting oyster mushroom production. After repeated trials, the author believes that casing soil cultivation gives good results. 1. Mushroom house selection. Abandoned or temporarily unused houses can be chosen as the mushroom house (they must be repainted with limewater), and heating and ventilation facilities are required.
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Detailed explanation of the key technical points for courtyard greenhouse cultivation of oyster mushrooms
Using idle space in farm courtyards to build plastic film mushroom greenhouses for cultivating oyster mushrooms has the advantages of low investment, easy control of temperature and humidity, convenient management, and good returns. The main technical points are as follows: 1. Construction of the mushroom greenhouse: build the mushroom greenhouse facing south, against the west wall or east wall. The site should be slightly elevated to prevent water accumulation. Before building the greenhouse, the ground must be thoroughly cleaned to avoid garbage, weeds, and filth on the ground contaminating the environment inside the greenhouse. Use wooden posts or cement posts for support, and a bamboo pole structure is best for the roof, covered with plastic film and then with straw curtains for shade. Requirements
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Production Management Methods and Technical Key Points for the Growing Period of Oyster Mushrooms
After the large-scale formation during the mulberry stage and the brief coral stage, the mushroom bodies gradually enlarge and enter the growing period. At this time, management should be strengthened so that the mushroom bodies differentiate and mature within 5-7 days. Specific management measures: ① Ventilation. To prevent deformed or rotten mushrooms caused by excessive stale air in the room, ventilate 3-4 times daily to supply fresh air. ② Moisture retention. Adequate air humidity is an important condition for the enlargement of the mushroom bodies, so mist water should be sprayed in the room 4-5 times daily. However, avoid water accumulating on the caps, so as to prevent curling. The relative air humidity should be maintained at 9
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Lily Storage and Preservation Methods and Key Technical Points
Lily, also known as yehe, zhongpenghua, suannaoshu, etc., is a perennial root vegetable of the Liliaceae family, native to the temperate regions of East Asia. China has a long history of cultivating lilies, with Lanzhou in Gansu, Yixing in Jiangsu, and Shaoyang in Hunan being famous lily-producing areas. The lily bulb is composed of many fleshy scales. The scales are thick and plump, rich in nutrients, and excellent in taste. They can stimulate appetite, aid digestion, and clear heat, moisten the lungs, and relieve cough, making them renowned both domestically and internationally, and exported to Japan, Malaysia, Singapore, Europe, and the United States. Stor
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How to carry out pollution-free cultivation of lilies? Detailed explanation of technical points
Selecting a pollution-free area for planting requires a good ecological environment, with no industrial "three wastes" or pollution from agriculture, urban domestic life, or medical waste within 3 kilometers around, avoiding main highway lines (more than 100 meters), and no pollution of irrigation water, atmosphere, or soil, meeting the air environment quality standards (GB3095-1996) and irrigation water quality standards (CB5084-92) stipulated by the state. At the same time, in order to reduce pesticide use, choose field soil where Liliaceae crops such as lilies, garlic, and leeks have not been planted in the past 3-5 years, paddy field
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Detailed Explanation of Key Technical Points for Rearing Large Silkworms in Autumn
The main reason for the instability of autumn silkworm production is the damage caused by silkworm diseases. As the number of silkworm rearings increases, the number of pathogens increases, the spread area expands, and the viruses are fresh and multiply quickly, resulting in a high disease rate. After repeated use of silkworm rooms and silkworm tools, if disinfection is not thorough and rearing management is relaxed, combined with the harsh environment of high temperature and high humidity or high temperature and dryness in autumn, as well as the poor quality of mulberry leaves, the silkworms have weak disease resistance, all of which are the main reasons for the easy outbreak of silkworm diseases during the large silkworm stage in autumn. 1. Strengthen disinfection and disease prevention, eliminate pathogens. The effective measure to prevent silkworm diseases is disinfection, eliminating
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Storage and Fresh-keeping Methods and Technical Key Points for Japanese Sansui Pears
Cultivars such as Hosui and Golden Pear have won wide popularity among consumers for their excellent flavor, so in recent years Japanese and Korean superior sand pears have made considerable progress in our country, and fruit output has also risen substantially year by year. However, the flesh of these pears is relatively soft, easily damaged during transport, and because their harvest period is short, their storability is poor, and their sales period is too concentrated, it is difficult to supply the market over the long term. How to store and keep them fresh is therefore particularly important. The author hereby introduces Japan's storage and fresh-keeping methods for Sansui pears to everyone for reference. 1. Harvest maturity and
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