Crop protection agents from nature: natural products and analogues

algae bacillus thuringiensis bacterial pesticides botanical insecticides fitotoxinas fongicide fungicidas fungicides herbicidas herbicide herbicides insecticidas insecticidas de origen vegetal insecticide insecticides malezas mauvaise herbe metabolites metabolitos microbial pesticides microorganisme microorganismos microorganisms pathogens pest resistance pesticide pesticide microbien pesticides phytotoxine phytotoxins plaguicidas plaguicidas bacterianos plaguicidas microbianos resistencia a las plagas secondary metabolites toxinas toxine toxins venenos venin venoms weeds