Hba1C Qc Solution,Hemoglobin Qc Powder,A1C Quality Control Reagent,Glycosylated Hemoglobin Control Wuxi BioHermes Bio & Medical Technology Co., Ltd. , https://www.biohermesglobal.com
Lagerstroemia breeding technology
Lagerstroemia tree beautiful posture, smooth trunk, colorful and flowering special, summer and autumn can be connected for more than a hundred days, is to watch the best products, can be used as gardens, parks, green land beautification, can also be used for potted plants. Lagerstroemia is like sunshine, slightly shade-tolerant, drought-tolerant, resistant to pruning, strong sprouting. It also grows well on limestone and has strong cold resistance. Lagerstroemia breeding with sowing, cuttings, layering, ramets, grafting, etc. can be. 1. Seeding method: Collect mature seeds from November to December, and dry them by burying them in the shade in winter. Seed sowing from late February to early March, broadcast broadly or sow, cover with a layer of fine-grained ash to cover the grass with seeds not seen. More than 10 days of germination unearthed, timely exposing the grass, when the seedlings appear 2 pairs of true leaves can be selected after the rain seedlings; seedlings diligent weeding, 6-7 months after the application of thin fertilizer 2-3 times, into the summer irrigation drought, the end of the seedling height About 40-50 cm, when it grows robust, it can bloom, and it should be cut off in time, and the equinox should grow up in the following year. 2. Cutting propagation: 1 Hardwood cuttings: One year old branches are collected before the spring sprouting, cuttings are cut into about 15 centimeters, inserted into loose, well-drained sandy loam seedbeds, inserted into 2/3 of the irrigated water, closed with film arches, and the seedlings grow into 15-20 cm can open the film, change the shade net, timely watering, when the branches can grow to 60-80 cm. 2 Twig Cuttings: It can be carried out from early June to mid-September. At this time, the new branches grow vigorously and are most dynamic. Take about 15 centimeters of annual strong branch, insert the seedbed, deep 2/3, irrigated with water, this time apply shading nets and membranes at the same time arched shed protection, about 50 days or so, the film removed, leaving shady nets, and then poured Water, when the branches can grow to about 60-80 cm, the survival rate is very good. 3. Striping method: It can be carried out during the growing season. It is better from March to April in spring. The air pressure strip method can select 1 year to 2 years old branches, and use a sharp knife to injure and remove the bark 1.5 centimeters or so to expose the xylem. Apply the rooting powder solution (diluted according to the instructions) to about 3 cm above the wounded part and wait until dry. After the use of cylindrical plastic bag over the wounded area, filled with loose garden soil, water can be tightened after two, a month after the inspection, such as dry soil can be moisturizing, rooting and cut after the other plant. 4. The method of ramets propagation: Since it is carried out in the spring, the seedlings can be bare rooted after transplanting in winter or before germinating in the spring. The big seedlings should have mudballs. The tendrils must be trimmed and reshaped regularly to maintain the graceful tree shape and promote luxuriant flowers. . 5. Grafting method: There are several varieties of crape myrtle, such as Yin Wei, white flowers; Cuiwei, blue and purple flowers, lavender; red micro, pink flowers, dark red, etc.; the author grafted several different trees in the same tree The annual or biennial branches of flowers have a survival rate of more than 98%. The specific method is: from late February to early March, before the sprouts of Lagerstroemia do buds. When grafting, thick rooted seedlings were selected as rootstocks, branches with the desired color were selected for scioning, and splicing methods were adopted. First, cut about 5-8 cm deep at the top of the rootstock by a knife, then take a 5-8 cm long scion with more than 2 buds and cut it into wedges. Then insert the rootstock and rinse it to form a layer. Then, the entire shoot was fully wrapped with a plastic film to expose the bud. In this method, branches of different colors are grafted on the same rootstock to form a multi-colored tree. After 2-3 months of grafting, it can be loosened, and the length of the head can reach 50-80 cm. The branch should be cut short in time to prevent the wind from breaking and it can be cultivated into robust branches. It is cultivated by this method. The survival rate of the plants is very good. From many years of practice, the author has summarized the following conclusions. Among the five breeding methods, the seedlings developed by the latter four methods maintain the excellent performance of the scion. However, there are many sprouting branches produced by cuttings and ramets, which need to be cleared in time. If it is necessary to cultivate a tree with a height of 3 to 6 meters, the seedlings propagated by the sowing method are better, and the lateral branches produced are obviously reduced, but the color of the seedlings planted by the sowing method is prone to variation. The crape myrtle cultivation management is extensive, but must cut off the dead branches, diseased shoots, and burn in time. In order to prolong the flowering period, the branches that have been flowered should be trimmed in time to rejuvenate them and grow the next flowering branch. For the coarse branches of the trunk, a large number of flower branches can be cut, and the nutrient can be concentrated to cultivate the trunk. Practice has proved that: proper management, crape myrtle many times a year can make it blossom several times, up to 100-120 days.