Before and after flowering of apple, it refers to 10 to 15 days after the apple tree germinates until it falls. The time is generally from early April to early May. During this period, most of the overwintering pests have begun to be active, and natural enemy beneficial insects have also been involved in activities. Apple tree rot continues to spread its hazards; Hawthorn leafhoppers produce a large number of cicadas and feed on buds; apple leaf roller moths, pear caterpillars and other larvae also suffer from bud damage under cut-offs and sparse skins; Buds and flower buds; apple astragalus, apple aphid wintering eggs also began to hatch, bud damage. The comprehensive prevention and control work during this period must be focused on the prevention and control of the main harmful objects. On the other hand, we must pay attention to the protection of natural enemies, try to use selective pesticides that have little effect on natural enemies, or minimize the use of natural enemies in pesticide application. hurt. For the year's comprehensive prevention and control work to create a good situation. The main control objects in this period are apple tree rot disease, powdery mildew, hawthorn leafhopper, food flower beetle, aphid, and so on. They should be treated as universally controlled or treated according to the occurrence. First, continue to do a good job of treatment of apple rot disease spots in the early spring on the basis of curettage, again to check, continue to adhere to curettage and lesions disinfection protection. When the applicator is sterilized, it must be sterilized again to prevent recurrence of the disease. The apple trees suffering from major diseases in the trunk, main branch, and main branch can be bridged to communicate nutrients, restore tree vigor, and retain large branches of results. Second, the prevention and treatment of leafhoppers and powdery mildew in the pre-flowering hawthorn leaves, during the prosperous period, the apple all-jaw cocoon overwinter eggs hatching period, the progeny of the flowering prosperous period, when the female cockroach averages 1 to 2 per leaf, Immediately to control the whole garden, spray the net to death 3000 times or Nisuolang 1500 times, can also use 50% sulfur suspension 2000 times, can cure powdery mildew. If powdery mildew occurs seriously and the top shoot bud damage rate reaches 5%, 15% triadimefon 1500 to 2000 times liquid or 12% myclobutanil 3000 times spray can be used. The effect is very good. If both diseases and pests occur at the same time, the medicines for controlling leafhoppers and powdery mildew can be mixed and used. Third, to kill the golden tortoise A flowering period harm the golden tortoise shell is mainly apple hairy golden tortoise, small blue and white flower turtle and black cashew beetle. You can use the tortoiseshell nature of the golden tortoiseshell to kill the tree in the early morning and early evening, or spread 4% of the enemy horse powder on the ground, and kill the fallen adult. You can also set black light clusters in the orchard or hang traps to kill black velvet beetles. Fourth, the application of pesticides to control the flowering period of the main control objects are Spiraea aphids? Axillary apple Astragalus? Snow and apple tumor. Can be controlled by the following two methods. 1Drying of Pharmacy: In the early stage of mid-April and late locust occurrence, use a brush to apply directly to the main stem or the base of the main branch with a drug-absorbing agent diluent and apply a 6-cm ring. . If the tree is rough, you can scrape the rough skin first, but do not hurt the tender skin. A little white spots can be snow, coated with plastic film or waste newspaper. The agent can use 10% imidacloprid 100 times, the effect is very good, and does not harm the natural enemies, but the efficacy is slow, after 3 to 5 days after coating was significant efficacy, it should be used in the initial stage of occurrence. 2 Spraying on the tree: When it happens, it can be sprayed with a selective agent of 0.6% wormwood 3000 to 4000 times before the leaf rolling or when the leaf is started. Note that the tumor should be used before flowering, and the effect after the flowering is not good. Fifth, the control of Tianniu pests The damage of the apple Tianniu is mainly Sang Tianniu, pear eye Tianniu, Zhi Tianniu and so on. For the prevention and control of long-horned cattle, aluminum phosphide tablets can be used to block mud plugs or 80% dichlorvos 1500 times injection.
Natural Cranberry powder is the extract of cranberry fruit. Cranberry is a type of evergreen shrub that grows in wet areas, such as bogs or wetlands and is native to northeastern and northcentral parts of the United States. The shrub has small, dark green leaves, pink flowers, and dark red fruit that are egg-shaped. Cranberry is most commonly used for the prevention and treatment of urinary tract infections. In foods, cranberry fruit is used in cranberry juice, cranberry juice cocktail, jelly, and sauce.
The cranberry was primarily used as a traditional medicine for the treatment of bladder and kidney ailments among Native Americans. The berries were also used as a fabric and food dye, and as a poultice to treat wounds and blood poisoning. Sailors used the berries as a scurvy preventative. Despite a general lack of scientific evidence to indicate that cranberries or their juice are effective urinary acidifiers, interest persists among the public in the medicinal use of cranberries. Cranberries are used in eastern European cultures to reduce fever and, because of their folkloric role, in the treatment of cancers.
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