How to store tomatoes in winter

The key to winter tomato storage is heat preservation. Tomatoes for winter storage are green-ripening fruits harvested from plastic greenhouses grown late in autumn. Green ripe tomato most afraid of low temperature, if stored below 8℃ for a long time, the fruit will be frozen, water-like spots appear on the surface subsidence, browning, fruit around the pedicle into light brown, serious white mold, penicillium or black mold. Serious freezing injury can cause tomato water extravasation, the whole fruit was translucent water-like corruption. The results showed that tomato fruits in green ripening stage should be red ripened slowly at 10~14℃, and then stored at 5~7℃. The relative humidity of air should be kept at 85%~90%. If the humidity is low, the fruit will lose water excessively, the pericarp will shrink and the fragrance will become weak. Now the common winter storage preservation methods are introduced as follows: 1 storage method using Yangqi storage, can be spread in the border with wheat straw or straw and other insulation materials, green ripe fruit placed on top, 15~20 cm thick is appropriate. Cover with plastic film and keep the temperature at 12~14℃, not lower than 10℃. Under this condition, the fruit can be slowly red ripened. In case of continuous sunny days, the ridge temperature rises, and the grass curtain can be covered for shade. As the fruit matures, it is selected at any time for listing, or moved to 5~7℃ for storage. 2 storage method In a warm room that can maintain a temperature of not less than 8 ° C, the ground is covered with a layer of straw or wheat straw, and then a layer of plastic film, and the green ripe fruit is placed on the film, about 20 cm thick, covered with plastic film. After the fruit ripens, reduce the temperature to 5~7℃.