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In the autumn, the use of buckwheat flowers, sunflower flowers and other late-flowers, careful management of bee colonies, timely adjustment of the group potential, for the bees overwintering and the next year to lay a good foundation. 1 Yuxin and Fandong bees are a good opportunity for the king to grow in the autumn. The colony of bees that are raised at the designated place and the colony of bees that are transferred to the ground must be planned to cultivate a group of queen bees. The late autumn flower is the final stage of breeding winter bees, and it is also one of the critical periods in which bee production cannot be neglected. On the basis of storing honey spleen, shaking honey, breeding, and treating fleas on the front section, we must pay close attention to the reproduction of bee colonies. We must promptly put all the spoiled spleen and spleen in the hive, or store it in the tank, and gradually Concentrate the spleen in the nest box. Small areas are placed on both sides. Large areas are placed in the middle. Each spleen should maintain about 500 g of honey on the corners. No emptying of the spleen, no new spleen, no expansion of the hive measures, keep the bee 9 ~ 10mm, so that the hive intensive care of the spleen, continue to breed overwintering bees on the basis of the existing spleen. 2 Timely fragmentation of the whole beehive When the last honey source is terminated, the queen can't develop into a winter bee even if he continues to spawn, but it consumes the physical strength of the bee queen, causing it to prematurely die and die, weakening the herd, and at the same time, consuming feed. . To this end, we must take timely measures to increase the number of bees and reduce the nest temperature. Timely breaks should be performed when there is no spleen so as not to damage the bees. It is also possible to use a king cage with a queen bee shed to keep the bee queen in the king's cage. The worker bees can freely enter and exit through the isolation shed and have direct contact with the queen bee. This can prevent the bees from being trapped and the temperature of the beehive rising. Cover honey and spleen to arrange the hive, with a little more bees than the spleen. If there is no capping spleen, arrange the hive with empty spleen or half empty spleen, replace the spleen without spleen or pollen spleen, and then excrete in the early spring and then add to the bee colony. 3 Ingenious use of drugs to treat locusts before the winter can be used acaricide No. 1, with 1:4000 liquid spray bee; phlegm flick 2 diagonal placed in the middle of the nest. 4 supplement winter material, increase the group potential to generally use mature honey or pure white sugar as winter material, 4 to 5 boxes bee group make up honey 10 ~ 13kg, weak groups make up, to increase the group potential. When honey is used as winter material, 50kg of honey should be added with 3~4kg of water, and then put into the pot and heated to 70°C for half an hour to dissolve and crystallize. Winter honey should be kept clean and prevent the mixing of oil and other substances. With sugar as the winter material, add 28 to 33 kg of water with 50 kg of sugar, heat the water to 100 °C and then put sugar. After the sugar is completely dissolved, it is heated to 100° C., and it is taken out after cooling and supplemented. When feeding, feed them in succession for a short period of time. Do not extend the feeding time to prevent spawning by the queen bee. 5 The spleen of the spleen is better for the overwintering winter bees to keep the bees and spleen commensurate or the bee is slightly more than the spleen, do not have a great disparity between the spleen and the spleen, because the spleen is more concentrated in the bees, the bees are overheated, and the consumption is fast. Outdoor wintering bees can be slightly more than the spleen, 4.5 to 5 boxes of bees put 4 spleen to adapt to climatic conditions. Sealing the honey spleen on both sides of the lid, placing the middle of the lid poorly, and placing the empty nesting room in the middle, is beneficial to clustering the bees and reducing uncapped honey fermentation. Place the outside of the arranged honeycomb with a baffle, cover it with a cover cloth, and cover a few more pieces of paper on the cover cloth to prevent cold air from blowing directly on the hive. In late autumn, bees should be reduced in activity so as not to consume the physical strength of bees and weaken the population of overwintering bees.