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From the picture observation comparison, suspected sorghum leopard disease

Prevention methods are as follows

One is to deal with the disease residue in time after the harvest, carry out a deep turnover, turn the residue into the deep soil, in order to reduce the source of primary infestation. Second, the implementation of large-scale crop rotation, the application of fully rotted organic fertilizer, the use of sorghum formula fertilization technology, in the third ploughing and weeding of ammonium nitrate, etc., to achieve the late non-desiccation of fertilizer, to enhance the resistance to disease. Third, the selection and promotion of disease-resistant varieties suitable for the local area, eliminating disease-sensitive varieties. Fourth, the pharmaceutical treatment of seeds with seed weight 0.5% of 50% fumonisin powder or 50% seed mixing double powder or 50% carbendazim wettable powder seed mixing, can control seedling seed-borne leopard disease and the northern leopard disease, fifth, the epidemic years or individual susceptible fields, from the spikes from the period of pregnancy to spray 36% thiophanate-methyl suspending agent 600 times or 50% carbendazim wettable powder 800 times, 50% carbendazim wettable powder, 50% carbendazim wettable powder. benomyl wettable powder 1500 times liquid, 25% charitin wettable powder 500 times liquid, 80% Dasheng M-45 wettable powder 600 times liquid

For reference