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猪苓Polyporus umbellatus(Pers.) Fr.,为担子菌纲多孔菌科真菌植物,药用菌核,具有利尿渗湿的功效。近年研究证明,猪苓对癌症有抑制作用,故而药用量逐年增大。猪苓野生分布于温带、暖温带落叶阔叶林区,随着药用量的增大,其资源逐步减少,人工栽培日益受到重视。本室对猪苓野变家种的研究已获成功,培植两年的猪苓,增重率可达6倍以上。现将栽培技术介绍于后。生物学特性及生态特征猪苓适宜生长于温暖、湿润的气侯条件下,其营养来源,与另一种真菌密环菌(Armillariella me)有一定的关系。陇山林区的野生猪苓,多生长于海拔1200～1800m、避风向阳山坡、天然次生林中的地表下、长有密环菌的植物根周围,深度15～50cm不等。土壤为棕色沙质壤土,窝内常有密环菌索缠绕在猪苓之上。
Polyporus umbellatus (Pers.) Fr. is a fungal plant of the genus Basidiomycetes, medicinal sclerotia, and has diuretic and osmotic effects. Recent studies have shown that swine fever has an inhibitory effect on cancer, so the dosage of drug increases year by year. Piedmont is wildly distributed in temperate and warm-temperate deciduous broad-leaved forest areas. With the increase of drug dosage, its resources are gradually reduced, and artificial cultivation is increasingly valued. The research on the swine wilderness family has been successful in this room, and two years of swine fever has been cultivated, and the weight gain rate can reach more than 6 times. The cultivation techniques are introduced later. Biological characteristics and ecological characteristics Pied pig mane is suitable for growing under warm and humid weather conditions. Its nutrient source has a certain relationship with another fungus Armillariella me. The wild swine fever in Laoshan forest area mostly grows around 1200-1800m above sea level, sheltered from the sunny slopes, under the surface of natural secondary forests, and with planting roots of A. meliloti, with a depth ranging from 15 to 50 cm. The soil is brown sandy loam, and there are often dense loops of bacteria around the pigs.