Talking about fruit tree bag sealing

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Pouch sealing is not strict, will become a micro-body pests into the bag damage, so that a high-grade fruit into other foreign goods, but also affect the overall efficiency of bagging, causing serious losses. First, the drawbacks of sealing is not strict 1. Tenebrio molitor, aphids, Konzer powder, pear orchard, roll leaf insects and other pests easily into the bag breeding, pollution, damage to the fruit surface. 2. The rain is easy to enter the bag, fruit stem water accumulation, resulting in deposition of the drug dust inside the stem, crack; plastic bag paste fruit surface, so that the fruit surface is rough, weight increases, the wind after the rain caused a lot of fruit drop. 3. Overcast and rainy weather, the humidity in the bag is too large for a long time, resulting in the enlargement of the fruit spot, rough skin, formation of chicken paw patterns, and increased fruit rust, black spot disease, and rotenus rot disease. 4. Ventilation of the upper and lower mouths of fruit bags makes it difficult to keep the humidity within the bag relatively stable. When the weather is prolonged, the fruit does not linger in the bag, affecting the coloration. After a long dry rain, it can easily cause cracking. 2. Advantages and Disadvantages of the Sealing Method The paper bag usually comes with a thin wire. After the bagging is closed, it can be sealed directly with the wire. The paper bag without the wire can be sealed with the binding machine. Sealing the bag mouth with iron wire does not use a wire to tie the bag to the handle after the bag mouth is closed. The correct method of operation is to put the fruit into the upper part of the bag and open the small mouth first. Then stack the small mouth, clamp the fruit handle, and then fold the bag back downwards. Sew the bag mouth, lie down, and fix it with wire, so that the bag mouth is not Up, the rain can't go in. Plastic film bags have full openings, half openings, corner openings and other modes. Sealing methods include using thin wire, enameled wire, corn cob and other methods to tie the bag to the handle. Practice has proved that the use of wire, enameled wire bag mouth, will damage the handle, should not be used. Full-open plastic bag, after the fruit set, the bag mouth can be gathered around the pedicel, and the wet corn sticks can be peated and buckled; the half-opened bag can be used to close the half of the opening to the middle handle of the bag mouth. Wet corn peels a buckle, not too tight, insects, water can not enter the bag as well. Whether it is a paper bag or a plastic film bag, the bag should be blown before the sleeve, so that the fruit is in the middle of the bag mouth, do not let fruit face patch. 3. In the rainy season, after cutting down the two corners of the bag, especially during the rainy season, the two corners of the lower part of the paper bag can be cut obliquely to reduce the occurrence of black spot disease. After the bags are filled with water, they should be opened and discharged in time.

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