Overview: Snapdragon, also known as the leading flower, Longkouhua, ocean color finches, scientific name Amtir rhinum majus, English name Snapdragon, Scrophulariaceae is a kind of Sedum plants. Snapdragon flowers are unusually flowery, richly colored and have a long flowering period. They are the most common herbaceous flowers in gardens. The goldfish grassland produces the Mediterranean Sea, which leads from the Mediterranean coast to northern Europe and North America, and is now widely cultivated around the world. Morphological characteristics: Snapdragon is a perennial herb that is often cultivated for a year or two. Plant height 20 cm to 7 cm, leaves oblong-lanceolate. Racemes, corolla tube-shaped lip, base swollen into saccate, upper lip erect, 2-lobed, lower lip 3-lobed, outside curved, white, pink, dark red, flesh-colored, dark yellow, pale yellow, yellow-orange, etc. color. Biological characteristics: During the vernalization stage, high temperature adversely affects the growth and development of snapdragon, and the optimum temperature for flowering is 15°C to 16°C. Some varieties have a temperature exceeding 15°C and branching does not occur, affecting the plant state. Snapdragon is more sensitive to moisture and cannot accumulate water, otherwise the roots will decay and the stems and leaves will wither yellow. Snapdragon is a light-loving herb. Under sunny conditions, the plants are dwarf, densely clumped, well-growth, highly uniform, and flowering neatly, and the flowers are bright. Under semi-negative conditions, the plants grow taller, the inflorescences grow longer, and the flowers are lighter. The response to the length of light is not sensitive. For example, the flower rain series Snapdragon is almost insensitive to the length of sunshine. Good drainage, rich in humus, fertile slightly sticky soil, neutral or alkaline. Cultivation Management: Seeds are small, sowed in autumn or spring sown in loose sandy mixed soil, covered with fine soil, kept moist, but not too wet. Seed germination temperature is 18 °C to 22 °C, cuttings can also be carried out. Seedlings at the seedling stage promote branching, branching, and delayed flowering. For the higher varieties of plants should be set to prevent lodging. Apply 1 to 2 complete fertilizers during the growing season, paying attention to irrigation. In the autumn conditions, the seedlings will be in flowering from March to June. Under greenhouse conditions, cultivation is encouraged for July sowing. It can bloom from December to March of next year; sowing in October and flowering from February to March; sowing in January and flowering from May to June. Generally from sowing to flowering about 12 weeks. Maintain 15 cm after flowering under appropriate conditions, cut off the ground and strengthen fertilizer and water management, so that it can continue to bloom in the next quarter. Application of GA3 (0.02%) has the effect of promoting flower bud formation and flowering. Potted snapdragon is commonly used in 10 cm pots, and the transplanted pots can be transplanted 6 weeks after germination. During the growing season, the temperature was kept at 16°C, and the basin soil was moist and sunny. Some dwarf species can bloom 60 to 70 days after sowing. Production status: Internationally, Snapdragon is widely used for potted plants, flower beds, window sills, planting troughs, and indoor landscape layouts. In recent years, it has also been used for cut flower viewing. As a result, rapid progress has been made in the improvement of the species of snapdragon, particularly in Western Europe, and the Dutch S&G Seed Company has achieved great success in the breeding of snapdragon. So far, the snapdragon has dwarf species, semi-dwarf species, and high culm species, as well as super-dwarf species with a plant height of 10 cm, and many species are tetraploid. Recently, new varieties of azaleas and butterflies have been selected. In the production of snapdragon, the Netherlands, Denmark, Sweden, Norway, Belgium and other countries in Europe mainly use potted plants and flower beds, and also cut flower production. In Japan, potted plants are mainly produced, and cut flowers are produced in small quantities. The cultivation of snapdragon from China began in the 1930s and was mainly used for potted plants, flower beds, and flower arrangements. After the founding of New China, although it developed rapidly, it was mainly arranged in the flower beds and flower gardens of the park. The varieties were aging and the colors were single. After the 1980s, dwarf species were introduced and widely used in potted plants and flower beds.
Plant Extract has been classified to two types by extraction methods including the standard plant extract and ratio extract in china local market. If we want to distinguish between the two types ,we can see from the ingredients that we should pay attention to. The standard plant extract will be tested of its special ingredients that in the product maybe by HPLC, UV, TLC etc,but for the ratio extract,we don't pay attention to the special ingredients that in it or not,not to mention the purity of one ingredient.if you still confused about the cllasfication,pls contact us to know more.
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