The results showed thatthe resistance level of 5 strainsL2,L1,TA,TW,and JZ to validamycin was 7.26-,7.75-,10.46-, 14.92-and 23.31-fold,respectively.

• 结果表明；田间禾谷丝核菌菌株对井冈霉素分别产生了7.；26、7