An introduction to the eight Immortals
The eight Immortals, also known as Hydrangea and Ziyang Flower, belong to the genus Saxifragaceae. The eight Immortals flowers are white and plump, large and beautiful, and their colors can be red and blue, pleasing to the eye and spirit. They are common potted ornamental flowers and trees.
The eight Immortals are native to China and Japan. It was introduced to England in 1736. Cultivation is more common in Europe, the Netherlands, Germany and France. Red, blue, purple and other varieties of eight immortal flowers can be seen in @ # 204 flowers @. There are also a lot of Immortals planted in front of small gardens and buildings. At present, German Lamp RamppJungpflanzen is a world-famous enterprise producing eight Immortals, and it is also the most important cultivation and production unit of new varieties of eight Immortals. Secondly, the door model text company of the Netherlands and the Yag nursery in Israel are also the main producers of eight immortal flowers. In Asia, mainly Japan is rich in eight fairy flowers, in horticultural shops in a wide variety of eight fairy flowers, you can see many strange new varieties, expensive, all as a family potted ornamental. At present, the eight Immortals have an annual output of 2.7 million pots, with an output value of 17 million US dollars, ranking 12th among the output value of potted flowers in Japan. In America, mainly in the United States, cultivation is more common, potted and outdoor cultivation have a certain number.
The eight Immortals were cultivated earlier in China, and they were planted in the gardens in the south of the Yangtze River built in the Ming and Qing dynasties. The parks built at the beginning of the 20th century are also inseparable from the planting of eight Immortals. Modern parks and scenic spots are planted in pieces to form a landscape. However, the potted ornamental of eight Immortals is not very common, which brings excellent opportunities for the development and application of eight Immortals. 、
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Eight Immortals rosette spot
[distribution and harm] Hydrangeamacrophylla, also known as Hydrangea, is planted all over China, which is a deciduous shrub. There are more virus infections, and ringspot is the most common. Generally latent, the seriously ill are dwarfed, and there are few or no flowers. [symptoms] the leaves are shrunk and the stems sometimes show necrotic spots. When inoculated with diseased plants, the old leaves showed chlorotic spots, brown ring spots or oak leaves. [pathogen] virus HyRSV, also belongs to potato virus Y group. Particles linear, 47 in length
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Management skills of fertilizer and water in eight immortal flowers
The eight Immortals, also known as Hydrangea, has many flowers, large flowers, colorful flowers, long flowering period and high ornamental value. The eight Immortals can grow normally and blossom smoothly in the fertile and well-drained acid soil. Therefore, in order to maintain the eight immortal flowers, it is necessary to master the skills of fertilizer and water management: in the early spring of every year, combined with changing the basin, improve the basin soil, prevent the basin soil from hardening and alkalization, and remove about 2/3 of the old basin soil when changing the basin. Use 5 parts of rotten leaf soil, 4 parts of retting matured pond mud, 1 part of clean fine river sand, and mix 15-20 grams of ferrous sulfate.
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