NIKKOMICINS AND THEIR USE FOR COMBATING PESTS

摘要

Pesticidally active substantially pure nikkomicin fractions obtained from Streptomyces tendae Ettlinger et al T+E,uml/u 901, the fractions being selected from the group consisting of (I) (J) (M) (N) a mixture of nikkomicin I and J, and a mixture of nikkomicin M and N.