Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures

To examine the variation in seed morphometric traits as well as germination performance at a range of temperatures (10-40°C), Rhodomyrtus tomentosa seeds were collected from four locations across Peninsular Malaysia (designated (C-02), (K-03), (M-01) and (T-01)). Seed source had a significant effect...

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Main Authors: Hue, T. S., Abdullah, Thohirah Lee, Sinniah, Uma Rani, Abdullah, Nur Ashikin Psyquay
Format: Article
Language:English
Published: International Seed Testing Association 2013
Online Access:http://psasir.upm.edu.my/id/eprint/30716/1/Seed%20traits%20and%20germination%20behaviour%20of%20kemunting.pdf
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author Hue, T. S.
Abdullah, Thohirah Lee
Sinniah, Uma Rani
Abdullah, Nur Ashikin Psyquay
author_facet Hue, T. S.
Abdullah, Thohirah Lee
Sinniah, Uma Rani
Abdullah, Nur Ashikin Psyquay
author_sort Hue, T. S.
collection UPM
description To examine the variation in seed morphometric traits as well as germination performance at a range of temperatures (10-40°C), Rhodomyrtus tomentosa seeds were collected from four locations across Peninsular Malaysia (designated (C-02), (K-03), (M-01) and (T-01)). Seed source had a significant effect on seed morphometric traits with seeds from K-03 recording the highest values and seeds from C-02 the lowest values for seed length, seed width, seed thickness and 1000 seed weight. These differences in seed traits, which were attributed to maternal or environmental effects, influenced the rate of water uptake leading to variation in germination behaviour such as germination percentage (GP), days to first germination (GD) and time to 50% germination (T50) of the seeds from the four locations. Temperature significantly affected GP, GD and T50 but the effect of location was only significant for GD and T50. There were significant interaction effects of location × temperature for all the parameters tested. Generally, R. tomentosa seeds showed a slow increase in water uptake due to the presence of the operculum and the mesotesta which consists of sclerified cells, and had erratic germination behaviour.
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spelling upm.eprints-307162015-09-11T03:17:35Z http://psasir.upm.edu.my/id/eprint/30716/ Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures Hue, T. S. Abdullah, Thohirah Lee Sinniah, Uma Rani Abdullah, Nur Ashikin Psyquay To examine the variation in seed morphometric traits as well as germination performance at a range of temperatures (10-40°C), Rhodomyrtus tomentosa seeds were collected from four locations across Peninsular Malaysia (designated (C-02), (K-03), (M-01) and (T-01)). Seed source had a significant effect on seed morphometric traits with seeds from K-03 recording the highest values and seeds from C-02 the lowest values for seed length, seed width, seed thickness and 1000 seed weight. These differences in seed traits, which were attributed to maternal or environmental effects, influenced the rate of water uptake leading to variation in germination behaviour such as germination percentage (GP), days to first germination (GD) and time to 50% germination (T50) of the seeds from the four locations. Temperature significantly affected GP, GD and T50 but the effect of location was only significant for GD and T50. There were significant interaction effects of location × temperature for all the parameters tested. Generally, R. tomentosa seeds showed a slow increase in water uptake due to the presence of the operculum and the mesotesta which consists of sclerified cells, and had erratic germination behaviour. International Seed Testing Association 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30716/1/Seed%20traits%20and%20germination%20behaviour%20of%20kemunting.pdf Hue, T. S. and Abdullah, Thohirah Lee and Sinniah, Uma Rani and Abdullah, Nur Ashikin Psyquay (2013) Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures. Seed Science and Technology, 41 (2). pp. 199-213. ISSN 0251-0952; ESSN: 1819-5717
spellingShingle Hue, T. S.
Abdullah, Thohirah Lee
Sinniah, Uma Rani
Abdullah, Nur Ashikin Psyquay
Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title_full Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title_fullStr Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title_full_unstemmed Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title_short Seed traits and germination behaviour of kemunting (Rhodomyrtus tomentosa) populations as affected by different temperatures
title_sort seed traits and germination behaviour of kemunting rhodomyrtus tomentosa populations as affected by different temperatures
url http://psasir.upm.edu.my/id/eprint/30716/1/Seed%20traits%20and%20germination%20behaviour%20of%20kemunting.pdf
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