e-journal

Resin secretory structures of Boswellia papyrifera and implications for frankincense yield

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† Background and Aims:
Frankincense, a gum-resin, has been tapped from Boswellia papyrifera trees for centuries. Despite the intensive tapping and economic interest of B. papyrifera, information on the resin secretory structures,
which are responsible for synthesis, storage and transport of frankincense, is virtually absent. This study
describes the type, architecture and distribution of resin secretory structures of B. papyrifera and its relevance for the ecophysiology and economic use of the tree.

† Methods:
The type and architecture of resin secretory structures present in bark and wood was investigated from
transversal, tangential and radial sections of bark and wood samples. The diameter and density (number of resin canals mm-2) of axial resin canals were determined from digital images of thin sections across the different zones of inner bark.

† Key Results:
Resin canals form a three-dimensional network within the inner bark. Yet, the intact resin-conducting and producing network is on average limited to the inner 6.6 mm of the inner bark. Within the inner bark, the
density of non-lignified axial resin canals decreases and the density of lignified resin canals increases from the vascular cambium towards the outer bark. In the wood, only radial resin canals were encountered.

†Conclusions:
Frankincense tapping techniques can be improved based on knowledge of bark anatomy and distribution and architecture of resin secretory structures. The suggested new techniques will contribute to a more sustainable frankincense production that enhances the contribution of frankincense to rural livelihoods and the national economy.

Key words: Boswellia papyrifera, frankincense, resin secretory structures, resin canal, bark anatomy, tapping.

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Ketersediaan

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Informasi Detail

Judul Seri

Annals of Botany

No. Panggil

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Penerbit

Oxford : Oxford University Press on behalf of the Annals of Botany Company., 2013

Deskripsi Fisik

Annals of Botany 111: 61–68, 2013

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

111: 2013

Subjek

EKOFISIOLOGI TANAMAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

Lampiran Berkas

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