Control measures of gastrodia elata pests
Mountain termites. Mountain termites are one of the main diseases of Gastrodia elata. No matter it is cultivated outdoors or indoors, it is often harmed by termites, and in serious cases, Gastrodia elata and fungus are eaten up. Prevention and control methods are as follows: 1. Dig several trapping pits near the cellar with a depth of 30 centimeters before planting, place fresh firewood and grass, cover pine needles or firewood grass, cover them with slate, and find termites, which can be sprayed with mirex powder. 2. Spray trichlorfon and dimethoate on the places where termites are often active, or trap and kill them by polluting their food and water sources. Second, the prevention and control of mole cricket and grub. 1. Organic manure should be fully mature, and it is best to use high temperature compost. 2. Hang black light or horse lantern in the field to trap and kill adults, and place containers containing water or kerosene under the lamp. 3. During the occurrence period, the roots were irrigated with 1000 times solution of 90% trichlorfon or 75 times of phoxim. 4. Use wheat bran or bean cake 5 kg fried incense, add 90 trichlorfon 0.05 kg, 5 kg of water, make poison bait, apply 1.5 kg / mu in the evening, the effect is good.
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New cultivation techniques of Gastrodia elata
1. The "first culture bed method" of sexual reproduction ①: the new fungus material was cultured with Armillaria mellea from March to April every year, and the seeds were sown with germinating bacteria mixed with Gastrodia elata fruit from May to June. Sexual flax seeds were harvested in November and commercial flax was harvested in November of the following year. This method has the advantages of stable yield, high yield and remarkable economic benefit. ② "two bacteria one kind of mixed planting method": 5mi every year.
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How to manage bottle-planted Gastrodia elata
Gastrodia elata growth period to prevent mold infection. Once green mold, scab and other miscellaneous bacteria are infected on the soil layer or box, you can gently spray a layer of Bordeaux solution (copper sulfate, quicklime and water according to the ratio of 1 ∶ 1 ∶ 140), dissolve 1 part of copper sulfate and 1 part of quickstone sand in water, and pour the aqueous solution of copper sulfate into lime milk.
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