Haricotosis in lentils belongs to bacterial diseases, and the temperature is 30°C, especially when the temperature is high and when it is sunny, the sclerotia will germinate, and the incidence of sclerotia will be heavy in continuous cropland, acid soil or sand. Usually in the growth process of lentils should pay attention to whether there is such a disease, once found can be effectively controlled according to the following methods.
Control methods:
(1) The application of slaked lime 100 ~ 150kg to adjust the soil pH, adjusted to neutral is appropriate, or a large number of decomposed organic fertilizer.
(2) The diseased plants were found to be removed promptly and destroyed centrally.
(3) Apply 15% triadimefon (triadimefon) wettable powder or 50% methyllithifil (Liaceria) wettable powder 1 at the beginning of onset, remove 100 to 200 parts of fine soil, and remove it from the root of the diseased part. Effective control effect. If necessary, it can also spray 20% methyl-rhodamine EC 1000 times every 7-10 days for 1 or 2 times.
(4) Use of Trichoderma to control blight. With the cultivated H. harzianum 0.4 ~ 0.45kg plus 50kg fine soil, mixed and spread to the base of the diseased plant, lkg per mu can effectively control the disease development.
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