The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed

The effects of seed moisture and storage temperature on storability of an orthodox (Instia palembanica), an intermediate (Swietenia macrophylla) and a recalcitrant (Hopea odorata) forest tree seed were studied. The objectives were to determine the critical and optimum moisture and storage tempera...

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Main Author: Nadarajan, Jayanthi
Format: Thesis
Language:English
English
Published: 1999
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/10432/
http://psasir.upm.edu.my/id/eprint/10432/1/FP_1999_10_A.pdf
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author Nadarajan, Jayanthi
author_facet Nadarajan, Jayanthi
author_sort Nadarajan, Jayanthi
building UPM Institutional Repository
collection Online Access
description The effects of seed moisture and storage temperature on storability of an orthodox (Instia palembanica), an intermediate (Swietenia macrophylla) and a recalcitrant (Hopea odorata) forest tree seed were studied. The objectives were to determine the critical and optimum moisture and storage temperature for storage of each of the three species, and to evaluate the potential of these seeds for cryopreservation at ultra-low temperatures of liquid nitrogen. The study was divided into four parts of three experiments, each being for one of the three species. In Part I, the effects of desiccation on seed viability were evaluated. The orthodox seed, I. palembanica, has low shedding moisture of 10%. It was tolerant to desiccation as its critical and optimum moistures were low at 6% and 8-10% respectively. For the intermediate seed, S. macrophylla, it was more sensitive to desiccation. Its shedding moisture was high at 37% and it could not withstand excessive desiccation as its critical and optimum moistures were high at 1 5% and 25% respectively. The recalcitrant seed, H. odorata, has very high shedding moisture of 48% and was highly sensitive to even slight desiccation. Its critical and optimum moistures were very high at 29% and 32-35% respectively.
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institution Universiti Putra Malaysia
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language English
English
last_indexed 2025-11-15T07:42:59Z
publishDate 1999
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spelling upm-104322011-04-11T03:12:37Z http://psasir.upm.edu.my/id/eprint/10432/ The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed Nadarajan, Jayanthi The effects of seed moisture and storage temperature on storability of an orthodox (Instia palembanica), an intermediate (Swietenia macrophylla) and a recalcitrant (Hopea odorata) forest tree seed were studied. The objectives were to determine the critical and optimum moisture and storage temperature for storage of each of the three species, and to evaluate the potential of these seeds for cryopreservation at ultra-low temperatures of liquid nitrogen. The study was divided into four parts of three experiments, each being for one of the three species. In Part I, the effects of desiccation on seed viability were evaluated. The orthodox seed, I. palembanica, has low shedding moisture of 10%. It was tolerant to desiccation as its critical and optimum moistures were low at 6% and 8-10% respectively. For the intermediate seed, S. macrophylla, it was more sensitive to desiccation. Its shedding moisture was high at 37% and it could not withstand excessive desiccation as its critical and optimum moistures were high at 1 5% and 25% respectively. The recalcitrant seed, H. odorata, has very high shedding moisture of 48% and was highly sensitive to even slight desiccation. Its critical and optimum moistures were very high at 29% and 32-35% respectively. 1999 Thesis NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/10432/1/FP_1999_10_A.pdf Nadarajan, Jayanthi (1999) The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed. Masters thesis, Universiti Putra Malaysia. Moisture - Effect on plants English
spellingShingle Moisture - Effect on plants
Nadarajan, Jayanthi
The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title_full The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title_fullStr The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title_full_unstemmed The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title_short The Effects of Moisture Content and Temperature on the Storability of an Orthodox, Intermediate and a Recalcitrant Forest Tree Seed
title_sort effects of moisture content and temperature on the storability of an orthodox, intermediate and a recalcitrant forest tree seed
topic Moisture - Effect on plants
url http://psasir.upm.edu.my/id/eprint/10432/
http://psasir.upm.edu.my/id/eprint/10432/1/FP_1999_10_A.pdf