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(a) Rootstock Seedlings Cultivation Seedlings of carambola are generally used as rootstocks. Carambola seeds have large seeds, high germination rate, rapid growth, strong cold and drought resistance, and strong grafting affinity with sweet carambola. Select full mature fruit, full and full of acid and carambola fruit to take seeds, wash the outer layer of the gum, dry (not suitable for drying), sowing before and after October, or save to the next spring, 2 March March sowing. Autumn sowing should protect seedlings. Due to the small seeds, the site preparation should be meticulous, covered with fine sand after sowing, and covered with grass moisturizing. When the seedling height is about 10 centimeters, it is transplanted in 15 cm and 20 cm rows. The seedlings will be shaded or shaded. Pay attention to fertilizer management and cut off the side branches on the trunk in time. When the seedlings are about 1 cm thick, they can be grafted.
(B) Grafting seedlings can be grafted for 3 to 8 months, with Qingming to Xiaoman as the optimum period. In the mother tree with high yield and stable yield, one-year-old branches with full growth and lignification were selected for the scion. There should be 2 to 3 full and full sprouts on the scion. Cutting the scion and rootstock with ordinary cutting method, binding, protection of fresh food film available refrigerator food, or ordinary plastic film strips bud dressing. Grafting can still be used for grafting, patch budding method. In order to improve the quality of nursery stocks, facilitate planting and improve the survival rate of plants, and extend the planting period, it is best to use containers (such as plastic bags) to raise seedlings, that is, sowing seedlings are transplanted in containers of nutritious soil, and to strengthen the cultivation of stock plants to a certain degree of roughness. Grafting and rearing. The key to container nursery is to cultivate enough soil nutrients, timely water supply is not water, cold and sun protection.
Sweet-fruited carambola, like common sweet carambola, is grown by grafting. In the past, many methods of connection were used, and the survival rate was high, but the operation was troublesome and it was not conducive to large-scale seedlings. The nursery is now used for picking, patching, and cutting.