Branch pruning: After the autumn, the fruit growers should trim the overly closed orchard branches in order to improve the ventilation, light transmission and photosynthetic efficiency of the orchard, enhance fruit coloration and enhance fruit quality. At the same time, it is necessary to remove parasitic branches, winding branches, etc., and keep the spot distribution under the shelf uniform. The amount of pruning should be moderate and should not be too large, so as not to affect the photosynthetic efficiency, or cause fruit burning.
Water management: Due to the concentrated rainfall in autumn, the drainage of the park is extremely important. The fruit farmers should check the water accumulation at any time, dredge the ditch, and reduce damage to the root system due to water accumulation, high temperature and humidity. Especially in the early autumn, if the temperature reaches 35 °C or above, and the dry hot air produced by the dry climate often causes the leaves of the kiwi fruit to dry up and the fruit is burned, so in the high temperature and drought, watering and moisturizing should be carried out.
Pest control: After the fall, the main pests and diseases of kiwifruit are soft rot, gray mold, scorpion, leaf stalk, etc. If the control is not timely, it will not only cause defoliation, fruit drop, but also cause disease during harvesting and storage. Therefore, fruit farmers should promptly use the disease according to the occurrence of pests and diseases. According to the symptoms, the disease is controlled by a triazole fungicide, 80% methyl thiophanate WP 1000 times liquid, procymidone and the like. Insect pests can be controlled with 2,500 times of cyhalothrin or 1500 times of beta-cypermethrin, and the effect of alternate use is better.
Orchard grass cutting: At this stage, it enters the rainy season, and the rainfall gradually increases. The majority of fruit farmers should control the grass or weeds planted in the orchard, and carry out castration in time to increase the permeability of the orchard and reduce the humidity. At the same time, it is also conducive to reducing the occurrence of pests and diseases. The cut grass can be covered with a tree tray, which increases the organic matter of the orchard after rot, improves the soil aggregate structure, and enhances the soil's ability to retain fertilizer and water.
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