Breeding 1. Seed flowers sown in March include: Impatiens, Tagetes, Zinnia, Red String, Celosia, Mirabilis, Strelitzia, Clivia, Asparagus, etc.; : Crape myrtle, waxy plum, red maple, redbud, horsewood, eucalyptus; seedlings that can be sown by sandy pregermination seedling species are: cycad, purple magnolia, sweet-scented osmanthus, horse chestnut, ginkgo, Podocarpus, Nandina. 2. The types of flowers and trees that can be propagated by cuttings include: hibiscus, medlar, lotus, Nantianzhu, Begonia, silver bud, pomegranate, fig, Admiralty, and spring. Chill floral cuts should be carried out indoors or indoors. 3. The types of flowers that can be used for layering are: plum blossoms, waxy plums, red maples, mirage, sticky stems, sweet-scented osmanthus, purple magnolia and so on. 4. The species of ramets that can be bred by ramets include: Asparagus, Tieshu, Nantianzhu, Mahonia, Begonia, Canola, Dahlia, and Strelitzia. 5. The types of flowers that can be grafted and propagated are: 1-year-old peaches and apricots as rootstocks, cut-and-produce plum blossoms, red leaf peaches, peaches, and peaches; and 1-2-3 year old magnolia and magnolia seedlings are used as rootstocks. Cut and bred to breed a smile, two Qiao Magnolia, etc.; 1 to 2 years old black pine seedlings are used as rootstocks, and ventral pine seedlings are planted on the ventral roots; fingerlings of real-life waxy plum are used as rootstocks, and when their leaf buds grow to a large grain size, Select a good variety of waxy plume, carry out cutting and give bagging moisturizing, the survival rate is high. In addition, cherry blossoms, sweet-scented osmanthus, red maple, etc., can also be grafted in March. Transplanting in March is the best time for planting flowers and trees in gardens. The evergreen plants are to be trimmed when they are transplanted; transplanting of plum, purple magnolia, white magnolia, melissa, red maple, etc. should be as far as possible. Arrangements are made before the plants spit buds; leafy, crape myrtle, redbud, hibiscus, horse chestnut, blue peach, redleaf plum, cherry blossoms, etc. are transplanted, even after spit buds are harmless, but trimmed properly. In general, evergreen tree species, coniferous forests, and some precious tree species that are not easily survived are raised with earthworms. Broad-leaved tree species that survive easily are transplanted using bare roots. With earthworm transplants, the earthworms should be put into the pouch immediately after the emergence of the seedlings. The pouches should be tightened, bypassed with grass ropes, and tied at the bottom. Bare root seedlings are raised and the wetted substances are put into a puddle or a straw bag, put into seedlings, and the moist material is wrapped in the root system, and the puddle is tied from the roots. Pruning plants that have not yet been pruned, especially plum blossoms, wax prunes, admiralty, and spring cultivars after flowering, except for pruning to die off dead branches, diseased shoots, and leggy branches, on one-year old branches, on branch bases 2 to 3 Cut off at centimeters, retain 2 to 3 buds, the strength of shrinkage, then it will sprout more new branches in the spring, summer and autumn more pregnant flower buds, in order to facilitate its flowering in the following year. Pomegranates, hibiscus, sweet-scented osmanthus, etc., which form flower buds and bloom on newly-picked branches of the year, can be trimmed in March. Fertilizing Planting flowers and trees that have not been fed with fertilizer in winter may be excavated in the outer ring of the root system at depths of 15 to 20 centimeters when they are not yet germinating, and they may be applied to cooked cakes, manures and chicken manure. fat. Prevention and control of pests and diseases The branches and leaves of infected plants and insects that appear on the plants must be promptly cut off and destroyed; some flowers and trees that are susceptible to pests and diseases, such as Chinese rose, postharvest jellyfish, weevil, grape, wooden claw, etc., should be timely Bordeaux spray can prevent powdery mildew and rust.
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