洋紫荆木屑与巨菌草草屑结合对2种食用菌生长的影响

Effect of Combination of Bauhinia Variegata L Sawdust and Pennisetum Giganteum Chips on the Growth of Two Edible Fungi

以红托竹荪和黄灵芝为对象,研究洋紫荆木屑与巨菌草草屑结合对其菌丝生长、生物转化率及品质的影响。通过栽培试验,研究洋紫荆木屑与巨菌草草屑结合对所用食用菌生长的影响,旨在为这两种材料在食用菌栽培上的应用提供科学的依据。研究发现:培养基中添加巨菌草草屑与洋紫荆木屑对红托竹荪、黄灵芝生长具有一定的促进作用;固体母种培养基中分别添加巨菌草草屑提取液50~60、40~50 mL/L可使红托竹荪、黄灵芝菌丝生长速度分别提高至1.4~1.6、10.7~10.1 mm/d。巨菌草草屑与发酵后的洋紫荆木屑以一定比例结合后,可用于红托竹荪和黄灵芝栽培种及出菇袋的菌丝培养,其中:巨菌草与发酵洋紫荆木屑的适宜比例为40∶30、50∶20时,红托竹荪栽培种及出菇袋菌丝生长速度分别为2.1、1.9 mm/d;巨菌草与发酵洋紫荆木屑的适宜比例为20∶50、30∶40时,黄灵芝栽培种及出菇袋菌丝生长速度分别为5.9、6.6 mm/d。对于红托竹荪,巨菌草草屑与发酵洋紫荆木屑比例为40∶30、50∶20的处理,生物转化率分别达36.8%、41.6%,均高于对照,子实体粗蛋白与多糖含量超过对照;对于黄灵芝,巨菌草草屑与发酵洋紫荆木屑比例为20∶50、30∶40的处理,生物转化率分别达76.3%、68.4%,高于对照,子实体粗蛋白与多糖含量均超过对照。因此,研究结果对巨菌草和洋紫荆木屑在食用菌上的应用提供了较好的借鉴,对于行业发展及食用菌产业原料拓展有一定指导作用。

Researching the effects of combining Bauhinia variegata L sawdust with Pennisetum giganteum chips on the mycelial growth,bioconversion rate,and quality of Dictyophora rubrovolvata and Ganoderma lucidum,this study aims to provide scientific evidence for their application in edible mushroom cultivation.The investigation found that adding P.giganteus chips and B.variegata L sawdust to the culture medium positively influences the growth of both mushrooms.In solid spawn media,adding 50~60 mL/L of P.giganteus extract for P.rubicundus and 40~50 mL/L for G.lucidum enhances mycelial growth rates to 1.4~1.6 and 10.7~10.1 mm/day,respectively.When combined in specific ratios after fermentation,P.giganteus chips and B.variegata L sawdust can be used for cultivating D.rubrovolvata and G.lucidum spawn and fruiting bags.Optimal ratios for D.rubrovolvata are 40:30 and 50:20,resulting in growth rates of 2.1 and 1.9 mm/day,respectively,while for G.lucidum,they are 20:50 and 30:40,leading to growth rates of 5.9 and 6.6 mm/day.For D.rubrovolvata,treatments with a ratio of 40:30 and 50:20 achieve bioconversion rates of 36.8%and 41.6%,surpassing the control,with higher contents of crude protein and polysaccharides in the fruit bodies.For G.lucidum,the 20:50 and 30:40 ratios result in bioconversion rates of 76.3%and 68.4%,also exceeding the control,with increased crude protein and polysaccharide levels.Consequently,these research findings offer valuable insights into the application of P.giganteus chips and B.variegata L sawdust in edible mushroom cultivation,guiding industry development and expansion of raw material sources.