(2) Looping seedlings Seedlings raised in the circle are also referred to as air pressure strips. Even fog and rose apple are suitable. The specific method is simple and the seedlings are quickly grown. However, the loss of materials is large and it is not convenient for a large number of seedlings. Generally, during the growing season from April to May, when the sap flow is fast and easy to peel, select branches with 1 to 2 cm in thickness, make a 2 to 3 cm wide circular peel at the base, loosen with a plastic film, and have good moisture retention. The rooting substrate (such as coco peat, hibiscus and mixture of fertilizers) has new roots after 1 to 2 months. After 2 to 3 new roots, it can be sawn off from the mother plant and cultivated at the nursery. , Until 2 or 3 times, the new shoots are ready for planting. (3) Cuttings and seedlings Lianmian and Syzygium chinense cuttings are all easier to root, so they can be used to plant seedlings with branches and pods. The method is simple, the materials are less expensive, and a large number of seedlings can be bred in a short period of time. Generally, cuttings are best before spring shoots sprouting, branches are abundant, storage nutrients are sufficient, soil temperature rises, air humidity is relatively high, cloudy days are more, transpiration and evaporation are weak, branches are not easy to dry, and are beneficial to hair roots and long leaves. Generally selected 2 to 3 years old branches, cuttings 15 to 20 cm long, inserted into the sand bed about 2/3 of the length of the branch, pay attention to shade moisturizing, anti-humidification anti-corrosion, after 1 to 2 months to start rooting, germination. After 2 or 3 new shoots are made and matured, they can be planted in the nursery.
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Lianwu and Sycamore Nursery
(a) Real seedlings The seed of Syzygium rosenbergii is polyembryonic, in which the seedlings developed from the heart embryos can retain the traits of the mother plants, so Syzygium can be planted with seedlings. However, the sexual seedlings developed from the seedlings and sexual embryos are not easily distinguishable in morphology, and there is a large variation after the sexual seedlings are planted. Therefore, it is not suitable for direct planting of fruit seedlings and for proper stocking. Lianwu is generally not cultivated due to its small seed size and its lack of development. The seedlings of Syzygium mongolica seedlings must be matured before they are fully ripe. The seed must be sowed after the storage is completed, and the fresh seeds germinate poorly. Syzygium seed germination rate is low, generally only 13% to 28%, but each seed can send 3 to 4 independent seedlings. Rose apple sowing method with litchi, longan. About 1 week after sowing, germination, attention to fertilizer and water management after germination and pest control, sparse or transplant.
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