Luisa Cadena, "How My Father Gathered Chicle in the Rubber Boom."

During the rubber boom chicle sap was harvested and exported to Iquitos along with rubber by the same runa families working under the same patrones who worked rubber. To harvest wild chicle the trees were cut down and girded. Runa gathered large quantities of seeds to plant in the forest to replace the trees cut down and to increase the numbers of those species.