The Harm and Prevention of Tea Plants on Solanaceae Vegetables

Ochreus quinquefolium is an omnivorous mite that can harm tea plants and other families such as Solanaceae, Cucurbitaceae, Leguminosae and Asteraceae. In particular, the yield and quality of solanaceous vegetables such as peppers, eggplants, and tomatoes have a great influence. Because the carcass shape is extremely small, about 0.2 mm, it is difficult to observe with the naked eye and it is difficult to be recognized by vegetable farmers. After the crop is damaged, it is often misdiagnosed as a physiological disease or virus disease, causing serious losses. The tea plant is mainly planted on the young part of the plant, especially on the back of young leaves. The leaves of the affected leaves turned brown in color, shrunk, twisted in the veins, and curled in the margins of the leaves; the deformed stems were twisted and deformed, and the tops of the victims were dry and dry; the flowers and buds were easily damaged; When the peppers were damaged, the plants were dwarfed and the leaves, flowers, and fruits were easily detached, and the fruits grew stagnant and hardened. Eggplant victims are cracked or flowering and bread-like, bitter and difficult to swallow. Tomato victims suffer from narrowed, stiff, upright, shrunken or distorted leaves. The tea pods are so warm and wet that their eggs and larvae can develop only when the relative humidity is above 80%. At a temperature of 28°C to 30°C, it takes only 4 to 5 days to complete one generation. In winter, wintering occurs mainly in the greenhouse, and a few female adults can overwinter in winter crops or the roots of weeds. Because of its limited mobility, its spread depends mainly on wind and human and animal husbandry. In the vegetable greenhouse, it generally begins to occur in mid-March. From early June to mid-10th, it is the most prosperous period. From July to September, it is the most dangerous. Prevention of tea sorghum should be based on agricultural control. Chemical control is the key. Agricultural control shall adopt a rotation system of solanaceous vegetables, potatoes and onions and garlic for 2 to 3 years; the non-cultivated areas shall not be introduced into the infected areas; the infected areas shall be cleared of field weeds, fallen leaves, and stubbles, and burned in a centralized manner. Deeply buried to reduce manure; less nitrogen fertilizer, more nitrogen, phosphorus and potassium compound fertilizer, promote premature, avoid the peak period. Chemical control should be applied in a timely manner, early medication, reduce the base. Choice of 15% net broom 3,000 times, 73% gefilte 1200 times, 50% killing dandan 600 to 800 times, 70% dicofol 800 to 1000 times, 21% killing cricket 1500 times and other liquids, every 10 days About 1 drug application, continuous spray 2 to 3 times, focusing on the liquid evenly sprayed on the back of the tender leaves and tender stems, pepper and eggplant can not ignore the flower and young fruit on the medication, can control the hazards of tea yellow tea. However, eggplant is sensitive to dicofol and should be used with caution. Otherwise, it is easy to produce phytotoxicity.

Glutamic acid, is an acidic amino acid. Molecules containing two carboxyl groups, chemical name for α-amino-pentanedioic acid. Glutamic acid was discovered by lisuoxun in 1856, is a colorless Crystal, fresh, slightly soluble in water, soluble in hydrochloric acid, isoelectric point 3.22. Abound in cereal protein, animal content in the brain and more. Glutamic acid in vivo protein metabolism plays an important role in the process, participating in many important chemical reactions in animals, plants and micro-organisms. Msg containing small amounts of glutamic acid.

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