For seedlings of Acacia Acacia Acacia seedlings seeds 
 Alias: acacia, the tree in Taiwan 
 Families and genera: Mimosaceae Acacia 
 Characteristics: 
 Thick branches. Reduced to a flat leaf leafy stem, the shape of willow. Capitulum solitary or 2-3 clustered in the leaf axils. Flowers yellow, slightly fragrant. Pod flat, dark brown. Flowering from May to June, fruiting July to August. 
 Growth Habit: 
 Favorite light, shade intolerant, chills. Hi fertile soil. Very resistant to drought and poor soil, are not afraid of intermittent flooding or river dipping. Roots and tough material, wind resistance. With nodules, can fix atmospheric nitrogen free, can improve the soil. Bud force sprout forces are strong. 
 Garden uses: 
 Acacia canopy dancing, exotic leaf, yellow flowers, many, a yellow flowering stage. Suitable for garden layout, road greening, it is green hills, good soil and water conservation species. 
 Seed propagation 
 Selection before the first sowing of seed selection, seed selection well or not is directly related to seeding success. 
 1, it is best to use the seed harvested that year. The longer save seeds, the germination rate is lower. 
 2, selected full grain, no defects or deformities of the seeds. 
 3, the selection of any pests and diseases of the seed. 
 Disinfection Disinfection contains two concepts, one refers to the disinfection of seeds, and the other is the disinfection of planting with the substrate. 
 Commonly used family of seed disinfection about 60 ℃ hot water soaking for a quarter of an hour, and then use hot water germination 12 to 24 hours. 
 Matrix used for disinfection of planting, the best way is to put it in the pan sizzling, what worms can be burnt to death. 
 Primed with warm water (about the temperature and wash water) soak the seeds 12 to 24 hours, until the seed water absorption and swelling up. Easy for a common seed, the work can not do. 
 Planting by hand or other tools for it is difficult to clip the small seeds can be moistened with water one end of a toothpick, a piece of the seeds to stick on the substrate surface, covering the substrate 1 cm thick, and then planting flowers pots into the water, the water depth of pot height of 1 / 2 to 2 / 3, allowing water to slowly dip up (this is called "basin dip"); 
 Other tools for hand or clip to the kinds of particles together the larger seeds, the seeds directly into the matrix, press 3 × 5 cm spacing on demand. Cover the substrate after sowing, cover the types of grain thickness of 2 to 3 times. Sprayers can be used after sowing, the seeded matrix pore quality shower wet, and become slightly dry basin earth again when the water spray, still not too much attention to the intensity of water, so the seeds washed up; 
 Management after sowing in late autumn, early spring or winter sowing, the encounter cold temperature, you can put pots with plastic film wrap to facilitate the holding moisture; 
 Seedling after the film opened in time, and every morning 9: 30 before, or in the afternoon, 3:30 after the sun's light for seedlings, or seedlings will grow very weak; 
 Most of the seeds of a homogeneous, the need for appropriate thinning: the sick, the growth of healthy seedlings pulled out, leaving the seedlings to a certain space between each other; 
 When most of the seedlings grown more than 3 or 3 can be transplanted after the leaves. 
 Cutting 
 Often in the late spring and early autumn branches for students with current softwood cuttings, or in early spring with students last year, the old branch cuttings of branches. 
 Cutting medium is used for cutting the nutritive soil or river sand, peat and other materials. Difficult to get the family cutting limited to ideal conditions for cutting medium, recommend the use of this site has provided a good preparation and sterile cutting medium; with coarse river sand also, but rinse with water several times before use to use. Saline areas of sand and river sand do not use, they are not suitable for the growth of flowering plants. 
 The choice of cutting branches 
 When the softwood cuttings in late spring to early fall when the plants grew well, the choice of current students as cutting thick branches. Cut the branches, the selected parts of sturdy, cut into 5 to 15 cm long, each with 3 or more to the leaf section. Scissor cuttings need to note that the above notches in the top section of a leaf about 1 cm above the flat cut, the following notches in the bottom section of leaf about 0.5 cm below the oblique cut, the upper and lower notches are To smooth (knife should be sharp.) 
 For hardwood cuttings, in the early spring the temperature rises, selected to do last year's robust branch cuttings. Cuttings usually reserved for every 3 to 4 sections, with the clipping method of softwood cuttings. 
 Management after cutting 
 Temperature optimum temperature for rooting 20 ℃ ~ 30 ℃, lower than 20 ℃, rooting hard, slow; higher than 30 ℃, cutting the upper and lower notches susceptible to pathogen infection and decay, and the temperature the more high, the greater the proportion of decay. Encountered at low temperature after cutting, insulation measures is mainly used for cutting film to wrap the pots or containers; after cutting temperature is too high temperature, cooling shade measures mainly to cutting, to completely obscure the sun 50 80%, while the spray to the cuttings, 3 to 5 times a day, the number of sunny days is also high temperature spray more rainy days the temperature low temperature is higher, the fewer the number of spray or not spray. 
 After cutting the air humidity, relative humidity must be maintained at 75 ~ 85%. The basic requirement is rooting in cuttings without roots, be sure to guarantee fresh cuttings to produce roots of photosynthesis can be material. But no rooting cuttings can not absorb enough water to maintain the body's water balance and, therefore, must be cutting through the spray to reduce the evaporation of water: in a shade under the conditions of the spray to the cuttings, day 3 ~ 5 times the number of sunny days the temperature the higher the spray more rainy days the temperature, the lower the number the less spray or not spray. But the excessive spraying, cutting easily rot pathogen infection and, because many types of bacteria to exist in the water. 
 Cutting propagation of light can not do without the sun, because the cuttings will continue to manufacture nutrients and rooting photosynthesis to supply the material needs of their roots. However, the stronger the light, then cutting the body's temperature is higher, the more vigorous transpiration of cuttings, the more water consumed, is not conducive to the survival of cuttings. Therefore, in the cover after cutting off the sun must be 50 to 80%, until roots grow, and then gradually remove the shading: 4:00 pm every day except a sunny day under the shade net cover before 9:00 am the next day shading net. 
 Transplanting 
 When transplanting seedlings, planting the first hole dug in the planting hole at the bottom of a layer of organic fertilizer as base fertilizer sprinkled (basal), thickness of about 4 to 6 cm, and then covered with a layer of soil and placed in the nursery, to the fertilizer and root separately, to avoid burning roots. 
 Into the seedlings, the filling 1 / 3 of the depth of the soil, the roots of live coverage, righting seedlings, step tight; backfill soil to Xuekou, with their feet to step on real soil, irrigated; a sink if the soil after watering the phenomenon, and then Add soil; Finally, a small bamboo seedlings lashing the firm, not to the wind, to allow for new root growth. 
 Temperature Management 
 Since it originated in tropical regions, like the hot and humid environment, so the temperature in winter is very strict, there is frost in the area appears unsafe for the winter. 
 Light Management 
 Strict requirements on the light, like sunlight, is also resistant to semi-shade. 
 Fertilizer and water management 
 For potted plants, in addition to adding organic fertilizer on the basin, the conservation process in peacetime, but also for proper fertilizer and water management. 
 Spring, summer and autumn, three seasons is its growth season, fertilizer and water management in accordance with the "Precious" - water - "Precious" - water cycle through an interval of a period of about 1 to 4 days, sunny days or hot During every cycle, a bit short, rainy days or cold longer during the interval period or not pouring. 
 Winter dormancy period in winter, mainly fertilizer and water control work well control, fertilizer and water management in accordance with the "Precious" - water - water - "Precious" - water - water cycle through an interval of about 3 cycles 7 days, sunny days every cycle or high temperature during the shorter, cold rainy days or a longer period of every cycle or not to water. 
 Plants to plant for spring and summer under drought conditions, fertilizer application of 2 to 4 times: first in the root of the neck outside the circle of 30 to 100 km separate the minor groove (plant is larger, the farther away from the root of the neck), groove width and depth are 20 cm. Spread into the trench 25 to 50 pounds of organic fertilizer, or 1 to 5 two-particle compound fertilizer (fertilizer), and then poured water permeability. 
 After the spring before the winter, according to the method of fertilization once again, but do not water. 
 Trim 
 Winter pruning plants into dormancy during the winter or semi-dormancy, should thin, worms, dead, cut off the branches close, etc.. A large number of seedlings for Acacia Acacia Acacia seedlings seeds. Tel: