The cold dew solar term has quietly passed. In the eyes of farmers, cold dew solar term is not only an important period for autumn harvest, autumn planting and autumn management, but also a key period for fruit tree management. Many fruit trees are the most important time for growth and development before and after cold dew. The management at this time will directly affect the yield and quality of fruit trees that year. So how to manage the consequences before cold dew?
1. Citrus
(1) Apply pre-harvest fertilizer in time for mid-late varieties.
(2) Mid-to-late varieties erase the late autumn shoots. Very early maturing varieties are thinned and weakened in time after harvest, and the short-cut thick and fruity branches.
(3) Do a good job in the prevention and control of pests such as red spiders, rust ticks, whiteflies, etc. Mountain orchards do a good job in the prevention of Spodoptera exigua, and pay attention to the prevention and treatment of ulcer disease and anthracnose.
(4) Good harvesting and post-harvest fertilization of early-maturing varieties.
2. Bayberry
(1) To carry out the deep transformation of Yangmeiyuan according to local conditions. Turn over the depth of 30-40 cm, combine the soil improvement, and bury the turf and weeds in the soil.
(2) Continue to prevent and control the larvae and diseases.
(3) Continue to pay attention to the typhoon damage. After the typhoon passes, the branches should be sparsely cut in time to straighten the plants and cultivate soil in the rhizosphere, so that they can restore the tree vigor as soon as possible.
(4) Do a good job in planning infrastructure for the newly developed Yangmei Garden. The garden should be planted on a shady or semi-shady slope (north-east slope) with convenient transportation, deep and fertile soil, slightly acidic or neutral soil. The slopes of 3-4 meters wide should be built on gentle slopes. The steep slopes can be planted by digging fish scale pits, but all of them should be dug to apply base fertilizer.
3. Loquat
Continue to apply pre-flowering fertilizer, and make arrangements for labor force and material preparation for bud thinning, flower thinning, trunk whitening, garden clearing, anti-freezing, etc.
4. Peaches
Late-maturing varieties continue to apply base fertilizer. Newly-built orchards are well prepared for construction.
5. Grapes
Focus on the application of base fertilizer and make preparations for the development of new vineyards.
6. Pear
Continue to maintain the maximum leaf area and the best photosynthetic efficiency center, apply extra-root top dressing, reapply the post-harvest overwintering base fertilizer, and strengthen the pest prevention and control work for the damaging leaves such as military insects. To prevent defoliation too early and induce secondary flowering, affecting the next year's flower volume and yield. Formulate winter pruning plans and production plans for the coming year.
The above are the management points of the trees before the cold dew. The farmers before the cold dew must strengthen the management, prevent the impact of the weather on the fruit trees in time, pay attention to prevent the diseases and insect pests of the fruit trees, and achieve the purpose of high yield and high volume.
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