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为获得性状优良的北虫草新菌株,实验选择草形好且产量高的YS01和草形好且虫草素含量较高的YS02作为亲本,以钩悬法收集北虫草子实体单孢子并培养获得其单核菌丝。结果表明,北虫草新菌株的平均生物转化率为6.86%,虫草素含量平均值为5 291 mg/kg,说明杂交育种是一种培育北虫草行之有效的方法。
In order to obtain a new strain of Cordyceps militaris with good traits, we selected YS01 with good grass shape and high yield and YS02 with good grass shape and high cordycepin content as parents to collect single spores of Cordyceps militaris and cultivated them by culturing Mononuclear mycelium. The results showed that the average bioconversion rate of new strains of Cordyceps was 6.86% and the average content of cordycepin was 5 291 mg / kg, which indicated that hybrid breeding was an effective method to cultivate Cordyceps militaris.