Chestnuts should be protected against insects, preservatives and germination before storage.
(1) The insect repellent treatment can be fumigated with methyl bromide in a plastic account or an enclosed warehouse. The dosage is 40 g to 50 g per cubic metre of space and the smoke is 3.5 hours to 10 hours. In addition, fumigation with carbon disulfide (1.5 g/m3) for 20 hours can also exterminate insects.
(2) Preservation treatment A fruit was soaked in 0.05% 2,4-D plus 500-fold thiophanate water solution for 3 minutes. Or use 10 grams of dibromotetrachloroethane and divide it into small packets in plastic bags of 25 kg each.
(3) To prevent germination, 1000 ppm of B, 1000 ppm of naphthalene acetic acid, 1000 ppm of chlorothalonin (MH) solution can be used for fruit immersion treatment, or treated with 100,000 gamma-rays of Y-rays before germination, all inhibiting the sprouting of nuts. effect.
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