Black spot controlling method in storage period of sweet potatoes in north
A technology of black spot and storage period, which is applied in the field of agricultural product storage, can solve the problems of easy cold damage, disease, restriction of sweet potato industry development, high water content of sweet potato, etc., achieves control of sweet potato black spot, low cost, and good storage effect Effect
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[0015] Example 1 Northern sweet potato storage period spot disease control effect verification, its characteristics mainly include the following steps:
[0016] 1. For the selection of potato cellars, the terrain should be high, ventilated and sunny, and the terrain is hard;
[0017] 2. Disinfect the potato cellar, fumigate it with sulfur, 18 grams per square meter, open the cellar mouth for ventilation after three days of sealing, then paint the inner wall and bottom of the cellar with 1:30 lime water, and seal it for later use;
[0018] 3. For the treatment of sweet potato pieces, harvest on a sunny day before frost, select sweet potato pieces without damage and no pests and diseases, and then spray 50% carbendazim wettability;
[0019] Powder 600 times liquid, after drying, spray a sodium silicate solution with a mass fraction of 0.5%;
[0020] 4. Enter the cellar, lay 5cm of straw on the bottom of the potato, put in the potato pieces, then lay 5cm of straw, and then put i...
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