The feasibility of the protoplast mutagenesis for increasing productivity was studied on a Claviceps paspali strain, which was not easy to produce conidia under laboratory conditions.

• 为了提高在一般条件下不易产生分生孢子的雀稗麦角菌的产碱率,对原生质体诱变育种的条件和方法进行了探讨。