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First, fruit bag selection: should choose a good air permeability, weather-resistant, sun-proof, soft paper bags, the best choice for regular manufacturers of special paper bags. The fruit bag size is preferably 155200mm double fruit bag.
Second, the time and number of fruit thinning: before bagging should be careful according to the requirements of the load of fruit thinning, to ensure a set of one, to achieve high quality fruit. Shrubs should be based on species, tree vigor, branch thickness, shoot type, fruiting table density, the length and number of fruit shoots, and flowering climate. The general requirements of leaf than 20 - 30:1 is appropriate. Leave fruit distance is generally 20 - 30cm, so that the fruit evenly distributed on the crown. In short, we must stay sparsely and stay large, stay poorly, stay sparsely, stay away and stay away.
Third, the bagging time and method: 20 days after the Xiehua young fruit such as the thumb (late April to early May), after the fruit bagging. Before the bagging, the entire garden must be sprayed with an insecticide bactericide. If it is not finished within 15 days, it shall be sprayed once more. When bagging, first open the bag mouth, hold the bottom of the bag, open the vent opening at the bottom of the bag, and plunge the young fruit into the bag. The mouth of the bag is tightly tied to the stem of the fruit stem, and the bag mouth is closed. Make the mouth of the bag flared to prevent pests from entering and contaminating the fruit with the rain solution flowing into the bag. Finally, tie the bag tightly with the iron wire of the bag. Be sure to seal the bag when bagging, but do not use excessive force to prevent injury. The fruit shank will affect the growth of the young fruit; after the hank is covered, the middle part of the bottom of the bag should be held up by hand, so that the whole bag will swell and the outlet holes of the two bottom corners will open, so that the young fruit will be vacant and will not attach to the wall of the bag. The bagging sequence is firstly followed by the next, first inside and then outside, and the inside, outside, up, down, left, and right sides are evenly distributed. For an orchard or a tree, it is necessary to set a full set, and it is not possible to stay in half.
In order to improve the fruit value and market share of pear fruit, the fruit growers in the city should actively use pear fruit bagging technology to improve pear fruit quality and product value.