Technical Plan to Prevent Root Cancer in Various Fruit Trees Root cancer, caused by *Agrobacterium tumefaciens*, is a serious disease affecting fruit trees such as cherries, apples, pears, peaches, and grapes. This technical plan outlines effective prevention and treatment methods using natural biostimulants and biocontrol agents developed by Dalian Baoluobao Marine Life Sciences Research and Development Center Co., Ltd. 1. Cherry Tree Root Cancer Prevention (1) Test Materials: The chitosan oligosaccharide citrate callus “Magic Formula 1,†seaweed extract plant immunopotentiation opsonization, carboxymethyl chitosan protective agent, and other auxiliary drugs are used for disinfection and pest control. Varieties include medium- and late-maturing types. Base fertilizer consists of fully fermented farmyard manure mixed with "Magic 1" at 1000 times dilution. (2) Methods: Prevention Period (Before Planting): Soak seedlings in a mixture of chitosan oligosaccharide citrate (500x) and seaweed extract (1000x) for 6 hours before planting. Post-Planting Treatment: If symptoms appear—such as grayish-brown resin on the trunk or tumor-like growths on roots—scrape the affected areas with a knife, then apply a mixture of seaweed extract (1000x), disinfectant (500x), and chitosan oligosaccharide (500x). Apply carboxymethyl chitosan (50x) over the wound. Repeat this process every 3–5 days, followed by watering with diluted seaweed extract (1000x) and resealing the soil. (3) Pilot Sites: Ganjingzi District, Dalian City; Jinzhou National Agricultural Science and Technology Park. (4) Demonstration Area: 100 hectares. 2. Apple Root Cancer Prevention (1) Test Materials: Same chitosan-based products from the same company, including antibacterial agent “402†and sodium pentachlorophenol. (2) Methods: Before Planting: Soak seedlings in a mix of chitosan citrate (500x) and seaweed extract (1000x) for 6 hours. After Planting: Expose roots, cut off tumors, and apply a solution of seaweed extract (800x) and chitosan citrate (500x), along with carboxymethyl chitosan (50x). After 3–5 days, use a diluted seaweed extract (1000x) and reseal the soil. (3) Pilot Sites: Jinzhou National Agricultural Science and Technology Park, Shilipi Modern Agriculture Park, Wafangdian Fortaleza Modern Agriculture Park. (4) Demonstration Area: 100 hectares. 3. Pear Root Cancer Prevention (1) Test Materials: Chitosan-based products and antibacterial agent “402.†(2) Methods: Before Planting: Soak seedlings in a mixture of chitosan citrate (500x), seaweed extract (1000x), and “402†(800x) for 6 hours. After Planting: Remove tumors, apply a seaweed extract (1000x) + “402†(800x) solution, then cover with chitosan citrate (500x) and carboxymethyl chitosan (50x). Reapply after 3–4 days with a diluted seaweed extract (1000x). (3) Pilot Sites: Qiangceng Agricultural Science and Technology Park, Ganjingzi District, Dalian. (4) Demonstration Area: 100 hectares. 4. Peach Root Cancer Prevention (1) Test Materials: Chitosan oligosaccharide citrate, seaweed extract, copper sulfate, ethyl allicin, ciprofloxacin hydrochloride, etc. (2) Methods: Before Planting: Soak seedlings in a mix of seaweed extract (1000x), copper sulfate (100x), and chitosan citrate (800x) for 6 hours. After Planting: Scrape tumors, apply a solution of seaweed extract (1000x) + allicin (500x) + chitosan citrate (800x) + carboxymethyl chitosan (50x). Reapply after 2–3 days with a diluted seaweed extract (800x) and seal the soil. (3) Pilot Sites: Dalian Agricultural Modernization Park, Shihe Modern Agricultural Park. (4) Demonstration Area: 100 hectares. 5. Grapevine Root Cancer Prevention (1) Test Materials: Chitosan-based products, antibacterial agent “402,†Fumei Shuang, HLB-2 bacteriocin, etc. (2) Methods: Before Planting: Soak seedlings in a mix of seaweed extract (1000x) and Fumei Shuang (800x) for 8 hours. After Planting: Remove tumors, apply a solution of seaweed extract (1000x) + “402†(800x) + chitosan citrate (500x) + carboxymethyl chitosan (50x). Seal the soil after 7–10 days with a diluted seaweed extract (1000x) and repeat if needed. (3) Demonstration Site: Xutun Town Modern Agricultural Park, Wafangdian City. (4) Demonstration Area: 100 hectares. II. Main Indicators 1. Reduce fertilizer use by 20%. Smart cabinet locks go beyond traditional mechanical locking systems. They utilize cutting-edge technologies such as Bluetooth, RFID, keypads, biometric fingerprint recognition, and even mobile app connectivity to allow flexible access control. 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2. Cut pesticide use by 90%.
3. Increase pollution-free green agricultural production by 10%.
4. Boost nutrient content in agricultural products by 8%.
5. Achieve a 95% cure rate for root cancer across various fruit tree species.
The technical solution for curing root cancer in various fruit trees
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