Shandong reader asks:
What are the management points of potted pears?
Florist Zhang Xiaofei, Zhengzhou, Henan Province
Pear hi warm, moist, sunny and air circulation environment, resistant to cold in winter, high temperature in summer. Potted pears are mainly short fruit branches and flower buds, and they are generally transplanted to the upper pot after the fall of the fall to the spring before germination. Pottery soils are preferably loose, fertile and well-drained neutral sandy soils with a pH of 5.8 to 8.5. When planting, the main root will be cut off, leaving more lateral roots and fibrous roots, irrigating after planting, and keeping it in a sunny place. Because the leaves of pears are relatively sensitive to water, if the water supply is insufficient, the leaves will often be wilting, and the leaves will dry off after a long time, especially in the pre-flowering period, the post-flowering period and the fruit fast-growing period. If there is no sufficient water supply, the fruit setting rate will be directly affected. Therefore, it is necessary to see dry and pour in cultivation to avoid excessive drought in the soil, and in summer when it is hot and dry, it is necessary to spray water at the foliage. In the middle and early June, it is also possible to cut or injure the trunk or main branch to increase the proportion of medium and short fruit branches. In the middle and late June, flower bud differentiation stage can be carried out for short-term drought treatment to inhibit shoot growth and promote flower bud differentiation. The method is: wilting - watering - wilting - watering, so can handle about 20 days. The water should be controlled properly in the fall, and the soil moisture should be checked regularly in the winter to add water in time.
The basal fertilizer should be applied when the pears are planted, and the decomposed organic liquid fertilizer should be applied every 15 to 20 days during the growing season. In order to satisfy the flowering, it is necessary to increase the fertilization period, flower bud differentiation period, and fruit expansion period. In addition to normal fertilization, additional phosphorus and potassium fertilizers should be applied to spray the leaves with potassium dihydrogen phosphate 0.2 to 0.3 times for two or three times. The result is the need for nutrition. Saplings can be shortened to encourage shoots to sprout and grow into shoots to form smaller canopies. In the result period, overlapping branches, leggy branches and weak branches, diseased branches and branches can be cut off, and the number of flower buds can be increased by the method of ring cutting and curved branches to prevent the crown from expanding and the plants to form short branch result groups. In addition, artificial fruit pollination, fruit thinning and thinning can be used to increase the fruit setting rate. The fruit should not be too much, generally leaving one or two fruits per inflorescence.
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