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American ginseng root disease control points Underground

Fill, heat, thirst and other effects, the pharmaceutical medicine and tonic. Liaoning is one of the important areas of American ginseng, the development of production for many years there has been a full-ring, low yield per unit area, poor quality of goods and processing backward practical problems. To solve these problems, there Benxi Manchu Autonomous County Agricultural research task undertaken, after 4 years, in the autumn of 2002 all the work throughout the trial ended, now the subject of underground root disease control on the situation, summarized as follows: First, materials and Method 1, Material: American ginseng seed, seedling, fertilizer, carbendazim, on behalf of Sen NH, Nixon enemy, reed screens, plastic and so on. 2, Methods: A random block design arranged in the method of repeated 3 times and has control area. Promptly after the fall of Panax quinquefolius wilt cut off and clear the bed net reference strain, Grottoes subsequent soil sterilization, spraying (carbendazim tO%, 50% ammonium Dyson, the enemy Nixon 70%, 4-2: 1 weight ratio of soil 150 times together,[link widoczny dla zalogowanych], add water) liquid 8 kg / square meters, and then deal with winter cold. Under the cold soil in spring next year after the reference bed cultivation,[link widoczny dla zalogowanych], the same mixture of liquid for spraying immediately spring Chuangtu disinfection liquid mixture of 5 kg applied, square meters, cold periods, such as a plot thick bed of snow to be cleared in time to prevent deepening snow to increase participate bed soil moisture, other times with the production of conventional plant protection measures. Second, the results of the incidence of treatments than the production of American ginseng were down 5 times, and decrease the incidence of underground 29 times. Third,[link widoczny dla zalogowanych], the summary and discussion of American Ginseng Disease Control, the common practice is to start a year from the time of American ginseng seedling to the withered leaves before this time using different agents and different management measures taken to control disease. This approach is basically to control the occurrence and shoot the further spread of the disease, but the underground is the lack of effective disease prevention and control, the reason is the fall and spring after the ginseng leaves withered under the cold soil of these two specific period of time after the (leaf blight After the temperature is still high,[link widoczny dla zalogowanych], under the cold soil in spring after the temperature starts to rise, in both cases the pathogen can be active) without major dose within the soil disinfection. In fact, the incidence of diseases of all American ginseng (not including disinfection) are fungi, bacteria (including viruses, nematodes) and American Ginseng both sides struggle between good and evil results. Growing season in the American ginseng, on the ground, underground, although can be infected, but the disease is well as under the stems and leaves wither, and after the post-cold soils (low temperature in winter, fungi, bacteria, adverse events, not easily damage) as the most important of these two particular time. Because, in the period of growth and development of American ginseng, its vigorous life activities, so it's own immune resistance to diseases will be stronger. The test referred to two specific period of time, American ginseng, or just go to sleep just to break the sleep state, its activity at this time of American ginseng is poor, so he sent below the ability of pathogen invasion, which is pathogenic and so will child take advantage of American ginseng root after the invasion of damage or latent down to the spring temperatures rise with the condition will be shown. Some of these parameters produce the ginseng garden grow well when the autumn, while in the coming year is often a large number of root disease in spring. It is because of American ginseng in two specific period of time suffered the invasion of pathogenic bacteria, but caused no chemical control. Through this test, we ground American ginseng root on the pathogenesis of a new understanding. Low toxicity and high efficiency in a specific period chosen for drug prevention and treatment of pesticide received a good effect. The control methods for production and research units of American ginseng colleagues kept the practice of American ginseng root disease control information. (Author: 151,500 Heilongjiang Province, Lanxi Xiannong Wei agricultural school, 152000 Heilongjiang Agriculture Commission Suihua agricultural school) embroidery E Ray Ij in ridicule �� 1, chicken manure is very valuable. Because with a large number of pathogens, the direct use will lead to adverse consequences, the company developed the fish, nutrient-rich, low cost. 2, the aircraft can also use other animal manure to produce organic fertilizers, the detection of nitrogen, phosphorus, potassium and organic matter has reached the required standard over River home. Test confirmed: In for a variety of crops, straw thick, full grain, fruit quality of sweet rice. 3, the machine energy saving, low prices, a majority of farmers and friends of farmers preferred small equipment, field trips. Address: Heilongjiang Mulan Company Name: Harbin Jufeng agricultural equipment manufacturing Co., Ltd Tel :0451 -5709004013936636247 Pang Li Chai Jincheng Zhang Jianjun
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