The difference between "five Treasure Pearl" and "five Treasure Green Pearl" of Rhododendron
Tongqing Comrade Wubaozhu is a valuable variety of western cuckoo, flowering in August, the flower is large double petal, outer wheel large petal is a micro-embryonic form, flower expansion shape, complex color, red, white, pink and other colors. Its main bud varieties are Fanwubao, Fantianhui, jubilant and so on. If the plant growth is robust, when the flower blooms to the later stage, the flower heart is prominent, also known as the drum head five treasures. The general growth law is that the flowers and leaves are paralleled, the leaves are ovate, the leaves are thick and shiny, the veins are obvious, the branches and leaves are sparse, and the branches are stout. Wubao Green Pearl is a kind of summer cuckoo, also known as Chinese rhododendron, which is a treasure of rhododendron produced in China. It is white in May and August, with red stripes and spots, also known as red dragon lying snow and colored rhododendron. Perennial plants can open white, red, pink or red and white half color. The flower diameter is 58 cm, the flower is double, the flower center is light green, the florescence is more than one month, when withering, the flower center bulges like a floret to continue to open, but can not touch the water, it is easy to rot and does not open, the leaves are long oval, the branches are dense and horizontal, and the shape and sound are clumpy.
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Control measures of common diseases of rhododendron
The common diseases and control measures of rhododendron can be classified into the following categories: 1. Symptoms of Botrytis cinerea the disease occurs in the leaves and flowers of rhododendrons. Freezing injury is often the cause of leaf disease. In spring, cuckoos cultivated indoors and outdoors are often infected with Botrytis cinerea. In the early stage of the disease, necrotic spots appeared on the petals, expanded rapidly, and connected to each other to form large disease spots. Under the condition of high humidity, the disease produces a large number of gray conidium, hence the name Botrytis cinerea. Pathogenic Botrytis cinerea [Botrytisci]
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Cultivation and Management of Rhododendron in Belgium
Belgian rhododendron, also known as western rhododendron. It has a large number of flowers, long flowering period and fast growth. It is a kind of precious flower introduced from Holland and Belgium in recent years. Belongs to the rhododendron family, evergreen shrub. 1. Flower habits: Belgian rhododendron is an acidic flower with well-developed and small fibrous roots. when planting, it is appropriate to choose loose and permeable soil, and humus soil under the forest is the best. Like the environmental conditions of high temperature and humidity when growing. Second, cutting propagation: Belgian rhododendron has a long growing period and can be cut all the year round.
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