Recently, the reporter interviewed Zhang Zhicheng, an expert on fruit cracking at the Northwest A&F University, on the prevention and treatment of apple tree rot disease, which is the most concerned about fruit growers. He said that apple tree rot disease is a common and difficult to treat disease. In the past, most of them used highly toxic pesticides such as Formamide, which had long-lasting effects and was harmful to the human body. In order to meet the requirements of pollution-free production technology, new methods should be adopted for prevention and control. The brief introduction is as follows: Pepper chili wine method will be pointed red pepper (fresh pepper better) 50 grams, chopped with a knife into 500 grams of white wine, sealed for use after half a month. Before the application, scrape off the diseased parts of the fruit trees. In order to prevent the bacteria from infecting and spreading, they should extend beyond the edge of the lesion by 1-1.5 cm. The wounds should be scraped and smooth, and then smeared with chili wine. After one week, they should be applied once until they are cured. . Nicotine mixture method Industrial base 3 kg Water 50 kg, dubbed alkali aqueous solution, and then add 2.5 kg of dried stem cut stems, sealed for 3 days is the nicotine mixture. First scrape the rotted apple tree with a knife, then apply the nicotine mixture to the affected area and apply it several times in succession. Alkaline water impregnation method Alkaline solution was mixed with the ratio of 1 : 5 of the edible alkaline surface and water. Scrape the sickness, apply alkaline water on the sickle with a small brush, and the surrounding area exceeds the sickness by more than 5 cm so that the alkali solution can fully enter the bark. Then use a plastic film to pack tightly, 10 days later, and release the plastic film after 6 months. The cure rate of this method is above 85%. The salt water impregnation method uses salt in proportion to 2.5% of salt water, boils in the pot, and cools it for use. Then scrape the sickness. In March-August or August-September, the necrotic bark of the diseased tree branches was completely scraped off with a sharp knife, leaving no diseased tissue around the scraped sickle. Then cut the bark around the sickle into a 45-60 degree slope to facilitate healing. Apply salt water to the scraped sickle with a brush. Apply it over 2cm from the sickle. Scrap a spot. Apply a spot. Apply it over half a month. Garlic sterilization method Garlic garlic garlic, according to the ratio of 1:1 by adding 10% brine to make garlic. First scrape the sickness, use a small brush or a brush to apply the liquid to the sickness. Surround the sickness 3-5 cm, and apply it again 10 days later. The cure rate of this method is above 90%. The caustic soda method used caustic soda solution plus 5 times water to smear the affected bark and 0.5 cm of healthy bark. The affected area was dry, atrophied, and hardened after 3 days of application. After 10 days, the surrounding skin formed callus with no side effects and low cost. Api Powder,Tianeptin Sodium,Medical Grade Hyaluronic Acid,Competitive Price Taurine Shaanxi YXchuang Biotechnology Co., Ltd , https://www.peptide-nootropics.com