Propagación in situ de ratania - Krameria lappacea (Krameriaceae): factores limitantes de la propagación natural y efectos de resiembra

Translated title of the contribution: In situ propagation of rhatany - Krameria lappacea (Krameriaceae): factors limiting natural regeneration and effects of reseeding measures

Nicolas Dostert, Fatima America Caceres De Baldarrago, Grischa Brokamp, Maximilian Weigend

Research output: Contribution to journalArticlepeer-review

Abstract

Krameria lappacea (rhatany) is a well established medicinal and dye plant that is used since pre-Colombian times. In the last 15 years the biology, distribution and abundance of rhatany in Peru was investigated and methods for a sustainable wildcrafting were developed The objective of this work was to investigate which factors limit the natural propagation and to explore whether the reseeding measures can contribute to the establishment of new plants in situ. Investigating the germination and in situ propagation, greenhouse trials showed that the seed burial is an important limiting factor for the germination of K. lappacea und the germination rate can be increased (3-4x) by burying the seeds. Both the burial of the seeds during collection and re-sowing measures on selected lots can contribute to the rejuvenation of the population. Secondary roots, which are left in the ground during harvest, are showed to form new shoot meristems and develop into new plants. Pre-treatment (scarification) of the fruits does not clearly influence the germination success, but it facilitates the handling of the seeds during re-sowing and ensures the use of only fully developed, viable seeds.

Translated title of the contributionIn situ propagation of rhatany - Krameria lappacea (Krameriaceae): factors limiting natural regeneration and effects of reseeding measures
Original languageSpanish
Pages (from-to)29-34
Number of pages6
JournalRevista Peruana de Biologia
Volume25
Issue number1
DOIs
StatePublished - Feb 2018

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