黑木耳是一种胶质木腐菌,具有喜温喜湿、耐寒耐旱、好光好气、高温易烂的生活习性。因此,主产于北半球温带地区。寒带见不到其踪迹,热带、亚热带仅宜毛木耳、琥珀木耳、皱木耳、盾形木耳以及紫木耳、大光木耳等繁衍生长。我省属亚热带季风地区,纬度较低,每年出梅后天气晴燥,气温很高,构成伏旱,对黑术耳生长十分不利,除高海拔深山老林地区外,无论段木或代料栽培黑木耳均出现严重的流耳(烂耳)现象,致使减产乃至失败。我省是国内黑木耳最畅销的市场之一,缺口很大,“北 Black fungus is a gum wood rot fungus, with hi hi wet, cold and drought, good light and good gas, high temperature easily rotten habits. Therefore, the main production in temperate northern hemisphere. Cold with no trace of its tracks, the tropics, subtropical hair should only be Mao fungus, amber fungus, cruciferous fungus, fungus shield and purple fungus, fungus and other reproductive growth. My province is a subtropical monsoon region, the latitude is low, the weather is fine every year after the plum, the temperature is high, constitute a drought, the growth of black ear is very unfavorable, except for high altitude deep forests and forests, Fungus are serious ear (ear rot) phenomenon, resulting in reduced production or even failure. Our province is one of the best-selling domestic black fungus market, a big gap, ”North