Planting Technology Lists
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The characteristics of eight Immortals
Shrubs, 1-4 m tall, branchlets stout, lenticels obvious. Leaves opposite, large and glossy, Obovate to elliptic, 7cm long, margin coarsely serrate, both sides glabrous. Terminal large corymbose, oblate, up to 30 cm in diameter, almost all sterile flowers, flowers blooming white, alkaline soil variable pink, acid soil variable blue.
2019-01-16 -
Anthracnose of eight Immortals
Tianjin, Hebei, Liaoning, Henan, Guangdong, Shanghai, Jiangsu, Zhejiang, Fujian, Sichuan. [symptoms] mainly occur on the leaves. The lesions are brown dots at first and round after enlargement, with purplish brown to blue-black edges, light brown to grayish white in the center, with whorls and small black spots in whorls. Plaques vary in size, ranging from 1 mm to lO mm. [pathogen] the pathogen is fungus, Colletotrichurnhy-dr
2019-01-16 -
Biological characteristics of eight Immortals
The eight Immortals are native to China and Japan. Like warm, moist and semi-overcast environment. The optimum temperature for the growth of eight Immortals is 18-28 ℃, and the winter temperature is not lower than 5 ℃. Flower bud differentiation takes 6-8 weeks under the condition of 5-7 ℃. The temperature of 20 ℃ can promote flowering, maintain 16 ℃ after anthesis, and prolong the flowering period. But the heat makes the flowers fade quickly. The soil of the eight immortal pots should be kept moist, but it should not be watered too much, especially in the rainy season to prevent rotting roots caused by waterlogging. It is better to dry the eight Immortals indoors in winter.
2019-01-16 -
The commercialization of eight Immortals promotes the cultivation
After the necessary refrigeration treatment, the eight Immortals are usually transported and sold by ship from late autumn to early winter. Like dormant plants, they can be planted in 4-6-inch pots, or like bare-root plants in 4-inch pots. Newly introduced plants should stimulate root growth before final planting (about 2 weeks). The optimum temperature for Baxian flower to grow is 15.6 ℃-16.7 ℃, while keeping the air temperature slightly lower, about 15 ℃, which can promote root germination before sprouting. Keep the soil slightly dry before transplanting
2019-01-16 -
Cutting techniques of eight Immortals
Although the eight Immortals have been cultivated for many years, they are still popular. However, in recent years, due to the aging of varieties and serious illegal reproduction, the price of finished flowers is low. To some extent, the cultivation of new varieties of eight Immortals has increased the market demand and improved the competitiveness of the majority of growers. The coming March to May is the main planting period for the seedlings of the eight Immortals, in preparation for the listing of New Year's Day and the Spring Festival next year. The following focuses on some management points after the arrival of New Year's Day's rootless seedlings listed on the market. First, prepare before arrival.
2019-01-16 -
Management and propagation of eight immortal flowers
The eight Immortals, also known as Hydrangea, bloom from June to July. Flowers blooming white, gradually turning pink or blue, large globular, composed of sterile flowers. The flowers are in full bloom, like snowflakes pressing trees, charming and moving. It has dense branches and leaves, fleshy roots and strong adaptability. it can not only be planted in a corner of the family courtyard and patio, but also be potted to beautify the balcony and windows to add color. The eight Immortals prefer semi-shade and humid environment and are not very hardy. The hot summer bothers the scorching sun, otherwise the leaves are easy to scorch and turn yellow, and are not suitable for excessive dryness, so that they can be born in humus.
2019-01-16 -
Propagation techniques of eight Immortals
Eight Immortals, alias Hydrangea. It belongs to the genus Saxifraga of Saxifragaceae. It likes shady, humid and warm environment. The suitable temperature for growth is generally 15 ℃ ~ 27 ℃. In the hot summer, the temperature can be reduced by shading, strengthening ventilation and light transmission, foliar spraying and other measures. The soil is required to be loose, fertile, well drained and slightly acidic. Baxian flower can be propagated by cutting, ramet, striping and other methods, but mainly by cutting, various methods are introduced as follows: first, cutting method: cutting propagation can be carried out all the year round in the greenhouse.
2019-01-16 -
Promoting cultivation techniques of eight Immortals
Baxian flower, also known as hydrangea, powder ball flower, Ziyang flower, is an ornamental shrub of Saxifragaceae. Potted varieties are about 30cm in height, opposite leaves, inflorescences up to 20cm in diameter, nearly spherical, planted on branches, white, pink, blue-purple, florescence from May to July, suitable culture can be extended to the end of September. Its flower shape is huge, the color is gorgeous, the shape and appearance is beautiful and is favored by the people. There are broad prospects for market development. The eight Immortals is native to China and has become a famous ornamental woody flower in the Yangtze River Basin. The eight immortal flowers have strong adaptability and belong to
2019-01-16 -
Eight Immortals virus disease
Also known as bulbous virus disease, eight immortal mosaic disease. Sporadic discoveries in Beijing, Henan, Hebei and other places. Harm to the eight Immortals, make its plants short, flowers small and light, reduce the ornamental value. Horticultural cultivation in some places to watch its morbid beauty, known as the variegated leaf eight immortals. Symptoms of systemic diseases, susceptible plants, the whole plant is thin, branches, leaves, spikes of light color, showing a layer of light pink white covered by a layer of light green; leaves in pink green mixed with irregularly shaped pink-white patches, patch boundaries are obvious, separated by leaf veins; leaf margin white. Early spring and winter shed
2019-01-16 -
Prevention and control of diseases and insect pests of eight Immortals
It is vulnerable to aphids when it is high humidity, high humidity and poor ventilation. Prevention and treatment: timely ventilation. When the disease is serious, it can spray 1500 times the liquid of Zhiling. It is not serious and can be brushed off manually. It can also be sprayed with cigarette butts or pepper liquid, and the effect is obvious. Its prevention and control methods refer to the rose.
2019-01-16