First, the factors that affect the storage effect of kiwifruit The factors that affect the storage effect of kiwifruit are roughly the following: 1. Variety (strain). There are 109 varieties, varieties and variations of Actinidia so far, and the most economically valuable are Chinese kiwi and kiwifruit. In general, the kiwifruit's storability is stronger than that of Chinese kiwifruit. For the same species, the differences in the storability of different cultivars (strains) are also greater. In general, early maturing varieties have poor storage and late-maturing “Haywardâ€, “Qinmeiâ€, “Luoyang 1â€, “E-30â€, “Huaguang 5â€, and “Tong "Shan No. 5" and other varieties have better storage. 2. Harvested. It is generally believed that the fruit ripening period, ie, the starch content starts to decline from the highest value, the period of increase of total sugar (soluble solids 6.5% to 7%) is suitable for harvesting. Harvesting, the harvester is best cut short nails or gloves to avoid scratching the fruit skin, causing damage. The harvested fruit should be placed in a shaded area. 3. Fruit size. Large fruit less resistant to storage. 4. Storage conditions. Kiwifruit is suitable for low temperature storage of fruits, storage temperature is 0.5 °C. The relative humidity in the storage environment is preferably from 90% to 95%. Suitable gas indicators are 1% to 3% oxygen and 3% to 5% carbon dioxide.
Second, the storage method 1. Easy storage. In the long-term practice of life, the working people of our country have explored many simple and effective methods of storage, such as sand traps, trenches, cellars, storage of ventilated storage and storage of ceramic cylinders. 2. Ventilation store. Utilize the temperature difference inside and outside the library and the temperature change between day and night to provide a low temperature condition for the storage environment. Can be built underground, above ground or semi-underground. The library is 3 meters high and 6 to 9 meters wide. The area of ​​the vent is determined based on the building area. Place the air inlet at the base of the wall and the air outlet at the top to facilitate ventilation. The fruit packing is placed on the shelf and has a distance of 20 to 30 centimeters from the ground. It does not depend on the wall, and there is a gap between the box and the box and between the shelf and the shelf. Open the tuyere to cool at night and turn off the heat during the day. So repeated, to achieve the purpose of cooling the library. When using, care should be taken to avoid the high temperature in the early stage, low temperature in the late stage, and freezing damage. In particular, keep the humidity above 85%. If the use of silicone window polyethylene bag packaging, storage better. The storage period is about 4 months, suitable for current rural mass storage. 3. Energy-saving storage. Relevant studies have shown that: With carton packaging, lined with plastic film and stored in a room that uses a natural cold source, after 85 days of kiwifruit storage, the good fruit rate reached 91.42%, and the pulp hardness was 3.9 kg/cm2. 4. Low temperature storage. Low-temperature storage must first be pre-cooled, after pre-cooling, remove pests, fruits, mechanical damage, soft rotten fruit, to prevent the accumulation of ethylene. Can take cold storage and air conditioning storage. (1) Cold storage. On the basis of the ventilating storehouse, mechanical refrigeration was used to achieve low temperatures, and the temperature in the storage environment was reduced to 0°C to reach the desired temperature for kiwifruit storage. If you use a simple gas withered packaging, better storage. After two years of storage experiments, the National Agricultural Fresh Research Center (Tianjin) concluded a set of practical storage technologies. The main ones are: (1) The selected fruits and the required fresh-keeping bags were placed in the cold precooling of the refrigerator to lower the product temperature. Storage temperature, and then into the kiwifruit special moisture-proof moisture-proof PVC storage bags, 5 kg per bag of fruit. 2 Put 7 packets of red medicine (physiological regulator, pay attention to the reticular surface) and 1 packet of CT1 fresh-keeping agent (powder powder) in the upper part, and use a large needle to penetrate the eyes before use. 3 Tighten the bag and store or hide it. Pay attention to the ventilation between the box and the box. The temperature and humidity in the library should be properly managed. The temperature should be controlled at 0 to 1°C and the relative humidity should be 90% to 95%. Using this storage technology, Qin Mei Kiwifruit can be stored for 7 to 8 months. However, it must be noted that it cannot be stored together with apples and pears. Otherwise, the ethylene released from apples and pears will cause the kiwifruit to become soft and shorten the shelf life. (2) Modified atmosphere storage. In 1995, the first kiwifruit low-temperature MAP storage and storage warehouse in China was completed in Zhengzhou City, with good results.
Second, the storage method 1. Easy storage. In the long-term practice of life, the working people of our country have explored many simple and effective methods of storage, such as sand traps, trenches, cellars, storage of ventilated storage and storage of ceramic cylinders. 2. Ventilation store. Utilize the temperature difference inside and outside the library and the temperature change between day and night to provide a low temperature condition for the storage environment. Can be built underground, above ground or semi-underground. The library is 3 meters high and 6 to 9 meters wide. The area of ​​the vent is determined based on the building area. Place the air inlet at the base of the wall and the air outlet at the top to facilitate ventilation. The fruit packing is placed on the shelf and has a distance of 20 to 30 centimeters from the ground. It does not depend on the wall, and there is a gap between the box and the box and between the shelf and the shelf. Open the tuyere to cool at night and turn off the heat during the day. So repeated, to achieve the purpose of cooling the library. When using, care should be taken to avoid the high temperature in the early stage, low temperature in the late stage, and freezing damage. In particular, keep the humidity above 85%. If the use of silicone window polyethylene bag packaging, storage better. The storage period is about 4 months, suitable for current rural mass storage. 3. Energy-saving storage. Relevant studies have shown that: With carton packaging, lined with plastic film and stored in a room that uses a natural cold source, after 85 days of kiwifruit storage, the good fruit rate reached 91.42%, and the pulp hardness was 3.9 kg/cm2. 4. Low temperature storage. Low-temperature storage must first be pre-cooled, after pre-cooling, remove pests, fruits, mechanical damage, soft rotten fruit, to prevent the accumulation of ethylene. Can take cold storage and air conditioning storage. (1) Cold storage. On the basis of the ventilating storehouse, mechanical refrigeration was used to achieve low temperatures, and the temperature in the storage environment was reduced to 0°C to reach the desired temperature for kiwifruit storage. If you use a simple gas withered packaging, better storage. After two years of storage experiments, the National Agricultural Fresh Research Center (Tianjin) concluded a set of practical storage technologies. The main ones are: (1) The selected fruits and the required fresh-keeping bags were placed in the cold precooling of the refrigerator to lower the product temperature. Storage temperature, and then into the kiwifruit special moisture-proof moisture-proof PVC storage bags, 5 kg per bag of fruit. 2 Put 7 packets of red medicine (physiological regulator, pay attention to the reticular surface) and 1 packet of CT1 fresh-keeping agent (powder powder) in the upper part, and use a large needle to penetrate the eyes before use. 3 Tighten the bag and store or hide it. Pay attention to the ventilation between the box and the box. The temperature and humidity in the library should be properly managed. The temperature should be controlled at 0 to 1°C and the relative humidity should be 90% to 95%. Using this storage technology, Qin Mei Kiwifruit can be stored for 7 to 8 months. However, it must be noted that it cannot be stored together with apples and pears. Otherwise, the ethylene released from apples and pears will cause the kiwifruit to become soft and shorten the shelf life. (2) Modified atmosphere storage. In 1995, the first kiwifruit low-temperature MAP storage and storage warehouse in China was completed in Zhengzhou City, with good results.
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