@article{fdi:010084691,
  title = {{P}atterns of plumericin concentration in leaves of {H}imatanthus tarapotensis ({A}pocynaceae) and {I}ts interactions with herbivory in the {P}eruvian amazon},
  author = {{G}uerra, {C}. {A}. {A}. and {P}atel, {K}. and {D}elprete, {P}iero and {S}pina, {A}. {P}. and {G}rados, {J}. and {V}asquez-{O}cmin, {P}. and {G}adea, {A}. and {R}ojas, {R}. and {G}uzman, {J}. and {S}auvain, {M}ichel},
  editor = {},
  language = {{ENG}},
  abstract = {{W}e explored the concentration patterns of the bioactive metabolite plumericin produced by {H}imatanthus tarapotensis ({A}pocynaceae) under different edaphic conditions and variations in rainfall intensity, as well as its potential role in the chemical defense against insect herbivores. {V}alues of plumericin concentration from leaves were obtained by {H}igh-{P}erformance {L}iquid {C}hromatography, and evaluated as a function of differences in soil types, variation of precipitation, and variation of the abundance of insect herbivores, using first a {R}epeated {M}easures {C}orrelation (rmcorr) and then a {G}eneralized {L}inear {M}ixed {M}odel ({GLMM}) analysis. {P}lumericin concentration is highly variable among plants, but with a significantly higher concentration in plants growing on clay soil compared to that of the white-sand soil habitat (p < 0.001). {P}lumericin concentration is not affected by precipitation. {T}he caterpillar of {I}sognathus leachii ({L}epidoptera: {S}phingidae) is the most conspicuous herbivore of {H}. tarapotensis, and its presence is continuous but not related to plumericin concentration, probably because of its capacity to elude the chemical defense of this plant. {N}evertheless, our multivariate model revealed that plumericin concentration is related to the abundance of {H}ymenoptera ({F}ormicidae), and this relationship is significantly influenced by the soil parameters of carbon percentage, clay percentage, and phosphorous percentage (p < 0.001). {P}lumericin is a mediating agent in the interaction between {H}. tarapotensis and its natural environment. {V}ariation in plumericin concentration would be induced by the abundance of {H}ymenoptera ({F}ormicidae), probably as a chemical response against these insects, and by differences in soil nutrient availability.},
  keywords = {plant-herbivore interactions ; plumericin ; soil types ; precipitation ; {P}eru ; perou},
  booktitle = {},
  journal = {{P}lants},
  volume = {11},
  numero = {8},
  pages = {1011 [18 p.]},
  year = {2022},
  DOI = {10.3390/plants11081011},
  URL = {https://www.documentation.ird.fr/hor/fdi:010084691},
}