Traditional Culture Encyclopedia - Weather inquiry - Why not plant litchi in Jingxi, Guangxi?

Why not plant litchi in Jingxi, Guangxi?

Litchi can't be planted in Jingxi, Guangxi because the temperature is too low in winter.

Litchi trees like high temperature and humidity and sunshine. Its heredity requires a relatively low temperature during flower bud differentiation, but the lowest temperature is between-2 and-4℃, which will cause freezing injury. It is sunny and warm in flowering period, and no dry heat is the most favorable. Too low humidity, continuous rain, dry and hot weather or strong north wind are not conducive to flowering and pollination. Unfavorable disaster weather in the flower and fruit period will lead to falling flowers and fruits, and even loss of harvest.

Litchi, an evergreen tree, usually does not exceed 10 m in height, sometimes it can reach 15 m or more, and its bark is grayish black; Branchlets are cylindrical, chestnut, and densely white lenticels.

The petiole length is 10 to more than 25 cm; 2-3 pairs of leaflets, less than 4 pairs, thin leathery or leathery, lanceolate or ovate-lanceolate, sometimes elliptic-lanceolate, 6-65438 0.5 cm long and 2-4 cm wide, with a sharp tip at the top or a short tip at the tail, the whole margin, dark green ventral surface, glossy back surface and hairless on both sides; Lateral veins are often slender, the ventral side is not obvious, and the dorsal side is obvious or slightly convex; The petiole is 7 to 8 mm long.

Inflorescence terminal, wide and multi-branched; Pedicel slender, 2 to 4 mm long, sometimes thick and short; Calyx covered with golden short villi; Stamens 6-7, sometimes 8, filaments about 4 mm long; The ovary is densely covered with small tumors and bristles.

The fruit is ovoid to nearly spherical, 2 to 3.5 cm long, usually dark red to bright red when mature; The seeds are all wrapped in fleshy arils. Spring blossoms and summer bears fruit.

Litchi is rich in nutrients, including glucose, sucrose, protein, fat, vitamins A, B, C, folic acid, arginine, tryptophan and other nutrients, which is very beneficial to human health. Litchi has the effects of invigorating spleen, promoting fluid production, regulating qi and relieving pain.