A method of dwarfing eight Immortals
Baxian flower, alias hydrangea, powder ball flower, in the subtropics, tropics for evergreen shrubs, like semi-shade humid environment, flowers in full bloom during flowering, its color also varies with the acidity of the soil, the flower is light red when the soil is alkaline, and the flower is blue when the soil is acidic.
The normal flowering period of potted Baxian flower is from May to August, if it is not treated and allowed to sprout and grow, its plant height can reach 50-70cm, it is easy to lodge in the pot, and the flower has little effect on the ornamental value. How to make the plant type of potted eight Immortals correct and dwarf, so as to improve the ornamental value? The following simple and easy operation methods are introduced.
After the flowers were shed in August, they were allowed to sprout and grow naturally according to conventional management, without shaping and pruning. In September, the young apical branches, which were full and free of diseases and insect pests, were collected and propagated by cuttings with 2 leaves, and roots could grow after 20 to 30 days. Choose cloudy days and windless days to transplant in the basin. Rotten leaf soil and garden soil were mixed with the same amount of rotten leaf soil and garden soil, and a small amount of sandy soil was added as culture soil to keep the soil neutral and acidic. In order to achieve plump plant type quickly, 4 seedlings were planted evenly in each pot, the lateral buds were removed and only the terminal buds were left, and then the fertilizer and water management and winter cold protection were strengthened to make them blossom from May to June in the second year.
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Prevention and control of diseases and insect pests of eight Immortals
The disease and insect pests of the eight Immortals prevent and control the symptoms of green petal disease of the eight Immortals: the plant is short and atrophied; the color of the inflorescence decreases, the petals usually turn yellowish green, and the flowers are small or without flowers. The route of infection is caused by the infection of mycoplastids (MLO for short). Mycoplastids mainly survive and survive the winter on various perennials such as daisy, spring white chrysanthemum, Plantago przewalskii, Suaeda salsa, unmanned chrysanthemum, bitter borage and other perennials, and mainly infect these plants through leafhoppers. In addition, dodder can also transmit poison. Prevention and control methods 1. Timely elimination and destruction of diseased plants to reduce
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Leaf spot of Impatiens balsamina
[alias] Fengxianhua brown spot. Leaf spot of eight Immortals is one of the common diseases on eight Immortals. Sichuan, Henan, Guangdong, Taiwan, Jilin, Shanghai, Zhejiang, Hunan and other places. [symptoms] the disease mainly occurs in leaves. The foliar spot is a light yellowish brown watery spot at first, and then expands into a circle, nearly round, with a diameter of 2 to 5 mm, up to a maximum of about 15 mm. Later, the center is light brown, the edge is dark brown, slightly raised, with inconspicuous wheel lines, and the disease produces small black spots, that is, the conidium of the pathogen. Severe susceptibility
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