First, choose the variety. The square-shaped seedless watermelon planted in the open field can be selected from Jinbao No.1, Jinmi No.1, Jinmi No.2, Jinshuai No.1, Jinhui No.1, etc.; for table carving, Toyota No.1 and Xingke No.2 can be selected. On the other hand, Xingke No. 3, etc.; For greenhouses with early-maturing cultivation, over-summer cultivation, and late-autumn cultivation, Toyota No. 2, Xingke No. 4 and Xingke No. 6 can be selected.
Second, planting methods and density. The square seedless watermelon planting method is the same as that of the round seedless watermelon, and the greenhouses can be vines, exposed grounds, and exposed creeping vines. The production uses more open ground crawling vines, and every 667 square meters (1 acre) is planted with more than 200 seedlings. Trees, spacing 2.5 meters, spacing 1.2 meters, not pruning, do not hiccups, each dendrite 20-30, pollination sitting 7-8, set melon 4-5.
Third, mold production. The mold specification is 15-20 cm square, the mold should be light, ventilation, water leakage, resistance to tension. There are three types of molds:
(1) Directly injection molding by the glass factory according to the designed mold specifications; (2) Fix by plexiglass bolts according to the mold specifications; (3) Select angle steel and glass materials and fix them with bolts.
Fourth, select the melon mold. A glass molding mold can be used after the seedless watermelon pollination vertical fashion model melon stalks, the latter two kinds of mold in the expansion period of about 15 days after the pollination of watermelon loaded melon. Note that the selection of plants grows robustly, the melon section is moderate, the melon shape is round and the melon-colored watermelon is loaded. When removing the mold, remove the dirt and gently handle it. Do not touch the cucurbits. After the mold is installed, a small platform above the ground is built with soil, the melon mold is placed on the platform steadily, and then the inverted vine leaves are arranged.
Fifth, field management. After 5-7 days of molding, the mold should be kept stable. After that, it should be inverted every 3-5 days to make the light even. It is necessary to strengthen fertilizer and water management and comprehensive pest and disease control, especially pay attention to increase the amount of organic fertilizer, the ratio of organic nitrogen and inorganic nitrogen can not exceed 1:1; to use biological pesticides to control pests, so that the production of square seedless watermelon to achieve AA grade green food standard.
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