I. Demonstration Significance and Purpose The fruity, beautiful and charming cherry tree is called the "first branch in spring" and its economic value is second to none. At present, with the continuous introduction and development of cherry tree species, its planting area is also expanding. However, the accompanying "three major diseases" of cherry trees - root cancer, necrotic ring spot disease, and fruit cracking - have also increasingly jeopardized the production of cherries. The use of traditional chemical pesticides has not been effective or effective. . In 2003, Dalian Ganjingzi District Agricultural Technology Extension Center adopted the “Guifang No. 1â€, a shell sugar amine plant disease resistance and production agent developed by Dalian Baoluobao Marine Life Sciences Research and Development Center Co., Ltd., in Qiange Village, Xinzhaizi Town, Ganjingzi District, Dalian. The fruit tree boutique park conducted a trial to prevent cherry tree root cancer and succeeded in one stroke. In the spring of 2004, the cherry tree boutique park, which continued to use Rubik's Cube, significantly reduced the incidence of necrotic ring spot disease and fruit cracking in the cherry trees, and greatly improved the yield and quality. Based on this experiment, we plan to implement the "three-dimensional biological control model of cherry tree disease difficult disease" demonstration project, in order to protect the healthy growth of cherry trees, improve the income of farmers. Second, test materials and methods 1, test materials. Adopted by Dalian Baoluobao Marine Life Sciences Research and Development Center Co., Ltd. to produce shell sugar amine plant disease resistance and disease increasing agents “Magic Formula 1â€, “Magic Formula 2â€, “Magic Formula 3â€, seaweed extract plant immunopotentiation opsonization, and biological sterilization The agent "Hao disease 1," and other auxiliary biological pesticides introduced by the company. 2. Variety: medium and late-maturing varieties 3, base fertilizer: Fermented ripe farmyard fertilizer, 1000 times of “Magic No. 1â€, and 300 times of “fresh green treasure organic leaf†produced by Dalian Xianlvbao Organic Leaf Fertilizer Co., Ltd. fat". 4. Methods (1) Control objects: Fruit root cancer prevention and control period: Early spring budding stage and fruit harvest performance: 1. Trunk showed that the secreted resin was grayish-brown after drying, and the late epidermis was tumorous. One side of the new leaf wilted or even died. 2, rhizomes appear as folds like piles, shaped like mustard. Control methods: 1, trunk disease skin scraping method is: the first part of the disease with a knife scraped off, exposing the formation of the layer without injury, if the formation of the disease has been blackened, then how much part of the black, then scraped off much. In the upper part of the lesion, it is 1-2 cm longer to the healthy part, and the healthy part below the lesion is 2-3 cm longer. Its control method: Formula one: 50% disinfection fugitive 300-500 times + 800 times magic activator + "magic" 500 times: Carboxymethyl chitosan artificial tree (root) skin 50 times, in turn painted to the disease Spotted. Formula II: 70% Thiophanate-methyl 300-fold + Chicong 800-fold + Rubik's cube 500-fold: Carboxymethyl-chitosan artificial tree (root) skin 50 times, followed by brushing onto lesions. Recipe 3: 40% Formami 500 times 500 times "Magic": Carboxymethyl chitosan artificial tree (root) 50 times, followed by brushing the scraped skin, can be effectively controlled on the trunk in advance. 2, on the basis of mustard tumor treatment: should first spread the tree topsoil, exposing the roots, the tumor-like disease with a knife removed, and then use the disinfection to escape 500 times + Chi Yan Activator 1000 times + "Russian" 500 Times + seaweed extract 1000 times mixed brushing, slightly controlled after the "magic cube" 500 times: Carboxymethyl chitosan artificial tree (root) skin 50 times brushing. Control 3-5 days later, and then press the disinfection and fled to 1000 times + 2000% chia activator + "magic" 1000 times + 2000 times the concentration of seaweed poured once, the water seepage and then sealed soil recovery. 3, after the fruit is harvested into the autumn before or early spring fertilization, add the total amount of basic fertilizer 1/3 -1/4 active biological bacteria fertilizer, the farmyard fertilizer must be fully fermented, also will "magic cube" 1000 times sprayed after fermentation The base fertilizer improves the rhizosphere soil environment. (2) Targets for prevention and treatment: Flow prevention and treatment period: Growth period Disease manifestation: Control method for trunk turbulent gel: Before flowering each year, scrape off flow plastic blocks, and then suspend with 50% eutectic 50 g + 50% sulfur. Liquid 250 g + "magic cube" 50 ml cold water 100-150 ml mixed thoroughly, then carboxymethyl chitosan artificial tree (root) skin 50 times applied to the diseased part. Combined with 70% Thiophanate-methyl 1000-fold + "Magic" 800-fold + Chicory activator 1000-fold + 1000-fold seaweed extract mixed to the whole plant, in the dry season or in the rainy or widow-lit season, 10-15 days apart 1 Times, 2 times. (3) Controlling objects: TT333 phytotoxicity (TT333, also known as “Cai Chinsuâ€, “Multi-effect 锉â€) Period of prevention and treatment: Performance during growth period: No long branches, no leaves, whole plant atrophy, common collateral necrosis and even full The plant withered and died. Prevention methods: 1, early spring, with "magic" No. 1 500 times + magnetic energy 500 times + 1000 times the fresh green treasure watering roots. 2. In the spring and summer, 500 times of Rubik's cube 2 and 500 times of seaweed extract are sprayed, once every 7-10 days, for five consecutive times. (4) Targets for prevention and treatment: Period of prevention and treatment for necrotic ring spot disease: manifestation of symptoms from leafing stage to fruiting stage: Ring-shaped spots appear on the leaves, spreading and dying yellow. Prevention and control method: Use 500 times "magic square 2" + 800 times seaweed essence +600x polyoxin spray treatment once every 10-15 days for a total of 3 times. (5) Targets for prevention and treatment: Period of cracking prevention and treatment: Performance from green ripening stage to pre-harvest disease: Treatment of longitudinal cracks and fruit drop on fruits: 800 times “Rubifang 2†+ 500 times seaweed essence spray treatment after fruit set, Once every 5-7 days, a total of 3 times (can be combined with the treatment of necrotic ring spot treatment, combined). On the day before picking, or when picking a package, spray, dip, and smear with 500 times the number of Rubik's Cube. 5. In the control group, trunks and root systems were not treated. When spraying on the foliage of the experimental group, the control group was covered with a plastic cloth, so that it could not receive the medicine, and was sprayed with fresh water daily, and the spraying was performed simultaneously with the test group. III. Investigation items 1. Trunk and root-based lesion healing, new incidence 2. Growth and development of shoots, weight of fresh leaves, and diseased leaf rate 3. Fruit 100-grain weight, 100-fruit cracking rate, and fruit ripening time after picking (days), fresh-keeping period at room temperature. 4, fruit hardness, sugar content, acidity, product shape, price (yuan / kg)
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