Articles containing the keyword 'Pinus caribaea'
Category : Article
The monoterpene composition of the needle oil of Pinus oocarpa Schiede ex Schltdl. and Pinus caribaea Morelet growing in Zambia were studied by means of GC-MS. P. oocarpa needle samples were taken from 29 trees representing different clones in a seed orchard and from 43 trees in a commercial plantation in 1980. The P. caribaea needle samples were collected from 17 clones in a seed orchard.
Nine compounds were positively identified in the monoterpene fraction of P. oocarpa and eight in that of P. caribaea. The amounts of these compounds showed marked tree-to-tree variation and the sample trees were screened into distinct groups on the basis of the variation. The results give a basis for selection in favour of pest resistance and turpentine yield.
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Löyttyniemi,
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kl@mm.unknown
- Hiltunen, E-mail: rh@mm.unknown
- Löyttyniemi, E-mail: rl@mm.unknown
- Räisänen, E-mail: sr@mm.unknown
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