Genetics of kitazin P resistance in asexual recombination of Magnaporthe grisea was studied by using nitrate non utilizing (nit) mutants.

• 采用硝酸盐利用缺陷突变体(Nitrate non-utilizing mutants, nit)为遗传标记研究了稻瘟病菌对异稻瘟净的抗药性在无性重组过程中的遗传学。