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Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings

Successful plantation establishment requires the production of seedlings with high root regenerating potential (RRP) to beplanted in an enviroment which facilitates the production of new roots. Numerous factors in the nursery and in thefield influence RRP. This study examines the effects of a defi...

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Main Author: Abod, Sheikh Ali
Format: Article
Language:English
English
Published: 1990
Online Access:http://psasir.upm.edu.my/id/eprint/2816/1/Effects_of_Nutrient_Deficiencies_on_the_Root_Regenerating_Potential.pdf
http://psasir.upm.edu.my/id/eprint/2816/
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spelling my.upm.eprints.28162013-05-27T07:03:40Z http://psasir.upm.edu.my/id/eprint/2816/ Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings Abod, Sheikh Ali Successful plantation establishment requires the production of seedlings with high root regenerating potential (RRP) to beplanted in an enviroment which facilitates the production of new roots. Numerous factors in the nursery and in thefield influence RRP. This study examines the effects of a deficiency of two important essential elements, nitrogen and orphosphorus commonly deficient in tropical soils, on the RRP and growth of Pinus caribaea and Pinus kesiya seedlings. Given an adequate supply ofnutrients before transplanting in nutrient deficient sites, P. caribaea and P. kesiya showed a high capacity to regenerate root following root pruning and replanting into conditions oflimited nutrient supply (-N, -P& -NP). Seedlings grown inF (full nutrients) and -P conditions were taller and had thicker stem diameter than in -N or -NP. The results also show that P. kesiya had a higher RRP than P. caribaea despite the shorter mean height of the former species at the start ofthe experiment. The practical implication of the results to nursery cultural practices and tree establishment is discussed. 1990 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/2816/1/Effects_of_Nutrient_Deficiencies_on_the_Root_Regenerating_Potential.pdf Abod, Sheikh Ali (1990) Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings. Pertanika, 13 (2). pp. 145-150. English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
description Successful plantation establishment requires the production of seedlings with high root regenerating potential (RRP) to beplanted in an enviroment which facilitates the production of new roots. Numerous factors in the nursery and in thefield influence RRP. This study examines the effects of a deficiency of two important essential elements, nitrogen and orphosphorus commonly deficient in tropical soils, on the RRP and growth of Pinus caribaea and Pinus kesiya seedlings. Given an adequate supply ofnutrients before transplanting in nutrient deficient sites, P. caribaea and P. kesiya showed a high capacity to regenerate root following root pruning and replanting into conditions oflimited nutrient supply (-N, -P& -NP). Seedlings grown inF (full nutrients) and -P conditions were taller and had thicker stem diameter than in -N or -NP. The results also show that P. kesiya had a higher RRP than P. caribaea despite the shorter mean height of the former species at the start ofthe experiment. The practical implication of the results to nursery cultural practices and tree establishment is discussed.
format Article
author Abod, Sheikh Ali
spellingShingle Abod, Sheikh Ali
Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
author_facet Abod, Sheikh Ali
author_sort Abod, Sheikh Ali
title Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
title_short Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
title_full Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
title_fullStr Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
title_full_unstemmed Effects of Nutrient Deficiencies on the Root Regenerating Potential and Growth of Pinus caribaea and Pinus kesiya Seedlings
title_sort effects of nutrient deficiencies on the root regenerating potential and growth of pinus caribaea and pinus kesiya seedlings
publishDate 1990
url http://psasir.upm.edu.my/id/eprint/2816/1/Effects_of_Nutrient_Deficiencies_on_the_Root_Regenerating_Potential.pdf
http://psasir.upm.edu.my/id/eprint/2816/
_version_ 1643822430131585024
score 13.211869

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