What insects will grow in Chunchun?

Because of its strong overall disease resistance and few pests, the main diseases are leaf rust, powdery mildew and dry disease, and the main pests are Toona sinensis, Anoplophora yunnanensis and cicada. Generally, the following three tasks can be done well to effectively control pests and diseases: first, pay attention to strengthening fertilizer and water management during the growth period to promote tree growth; Second, clear the garden in winter to remove weak branches, dense branches, pests and diseases. And centralized incineration can not only inhibit the occurrence of pests and diseases, but also be conducive to ventilation and light transmission; Third, spray Bordeaux mixture and sulfur mixture before germination in spring to eradicate germ eggs.

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Toona sinensis is Toona sinensis, also known as Toona sinensis bud, Toona sinensis, Toona sinensis, Toona sinensis and other deciduous trees. Toona sinensis belongs to Toona sinensis of Meliaceae, passing through North China, East China and Central China, south to South China, west to Gansu, Shaanxi and Tibet, southwest to Yunnan and Guizhou, with an altitude of 2000 m, hard wood, red color, beautiful texture and corrosion resistance. It is internationally known as China Mahogany, which is used in construction, shipbuilding and high-grade furniture. It is also a commercial timber, a fast-growing precious timber tree species, and its buds and leaves can be eaten as vegetables, which are deeply loved by the masses.