Rice bacterial leaf streak is a national phytosanitary disease.
The drug is used to prevent and treat the disease. When spraying, it is necessary to spray the area that has not been infected, and gradually surround the disease center. The disease center should be relatively heavy. In the prevention and treatment strategy, we must base ourselves on the principles of early treatment and drug protection, and find that one piece is hit and one piece is found. In the case of diseased fields, it is necessary to prohibit string irrigation, flood irrigation and the use of circulating water to prevent the spread of disease, and prevent it once every 5 to 7 days after the first prevention to ensure the control effect. Suitable drugs for controlling the disease include thiazolone, zinc thiazole, basic copper sulphate, thidium copper, thiabium copper, acacia copper, neutrophin, trichloroisocyanuric acid, chlorobromoisocyanuric acid, etc. . The effect of drug control in the late stage of the disease will decrease, and the application of fertilizer should be combined with fertilization to promote rice recovery.
Tetazin is a broad-spectrum fungicide with good control against a variety of bacterial and fungal diseases. The mechanism of bactericidal action mainly includes two aspects. One is to destroy the nuclear structure of the pathogen, causing it to lose its heart and die and to die; the second is to interfere with the metabolism of the cells, causing its physiological disorder and eventually leading to death. It can effectively protect plants from pathogens in the early stage of disease occurrence. Increasing the dosage after disease occurrence can obviously control the spread of diseases, thus achieving the dual functions of protection and eradication. The drug is a highly effective drug for controlling bacterial diseases such as bacterial leaf streak, bacterial blight, and bacterial base rot. Shaanxi Xida Huate Technology Industrial Co., Ltd. Hao Li Ting (5% thiazolone suspending agent), registered for rice spray control bacterial leaf streak, recommended amount of pure drug per hectare 26.25 ~ 37.5 grams, equivalent to each acre Thiazolone pure drug 1.75 ~ 2.5 grams.
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