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Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature

Drying and storage are the common postharvest issues in seed production. Normally, seeds are harvested at physiological maturity when the moisture is higher than desired for safe storage. This study aims to evaluate the use of common drying methods and suggest a suitable storage temperature for the...

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Main Authors: Mohd Yahaya, Aliyah, Sinniah, Uma Rani, Misran, Azizah
Format: Article
Published: Multidisciplinary Digital Publishing Institute 2022
Online Access:http://psasir.upm.edu.my/id/eprint/103151/
https://www.mdpi.com/2073-4395/12/3/699
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spelling my.upm.eprints.1031512023-12-05T04:15:22Z http://psasir.upm.edu.my/id/eprint/103151/ Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature Mohd Yahaya, Aliyah Sinniah, Uma Rani Misran, Azizah Drying and storage are the common postharvest issues in seed production. Normally, seeds are harvested at physiological maturity when the moisture is higher than desired for safe storage. This study aims to evaluate the use of common drying methods and suggest a suitable storage temperature for the lablab bean seed. Pods at 30 days after anthesis are harvested and the seeds subjected to drying using sun, shade, oven, and drying beads to obtain target moisture contents of 14%, 12%, and 10%. Dried seeds are then stored at two storage temperatures; ambient (27.7–34.2 °C; 74 ± 5% relative humidity) and refrigerated (2.0–5.0 °C; 25 ± 5% relative humidity) for six months. Both shade and drying beads provided good results. However, drying beads gave the highest germination percentage (≥70%) and the shortest drying duration to achieve safe moisture content of 10%, along with the economic benefit from the repeated usage. The beads can be reused indefinitely by recharging in an oven between uses, thus, indicating the potential adoption by farmers. Two commonly used methods (sun and oven) have been proven to be unsuitable as they increase dead seeds due to heating damage. It is further explained that during six months of storage in the ambient temperature, declines were recorded in antioxidant enzyme activities, germination performance, and seedling growth. Therefore, lablab bean seeds are best stored refrigerated (≤5 °C) in which the germination and defense mechanism are maintained, and it is highly recommended to the farmers and seed producers as it is easily accessible, cost-saving, and sustainable. Multidisciplinary Digital Publishing Institute 2022 Article PeerReviewed Mohd Yahaya, Aliyah and Sinniah, Uma Rani and Misran, Azizah (2022) Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature. Agronomy, 12 (3). art. no. 699. pp. 1-13. ISSN 2073-4395 https://www.mdpi.com/2073-4395/12/3/699 10.3390/agronomy12030699
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/
description Drying and storage are the common postharvest issues in seed production. Normally, seeds are harvested at physiological maturity when the moisture is higher than desired for safe storage. This study aims to evaluate the use of common drying methods and suggest a suitable storage temperature for the lablab bean seed. Pods at 30 days after anthesis are harvested and the seeds subjected to drying using sun, shade, oven, and drying beads to obtain target moisture contents of 14%, 12%, and 10%. Dried seeds are then stored at two storage temperatures; ambient (27.7–34.2 °C; 74 ± 5% relative humidity) and refrigerated (2.0–5.0 °C; 25 ± 5% relative humidity) for six months. Both shade and drying beads provided good results. However, drying beads gave the highest germination percentage (≥70%) and the shortest drying duration to achieve safe moisture content of 10%, along with the economic benefit from the repeated usage. The beads can be reused indefinitely by recharging in an oven between uses, thus, indicating the potential adoption by farmers. Two commonly used methods (sun and oven) have been proven to be unsuitable as they increase dead seeds due to heating damage. It is further explained that during six months of storage in the ambient temperature, declines were recorded in antioxidant enzyme activities, germination performance, and seedling growth. Therefore, lablab bean seeds are best stored refrigerated (≤5 °C) in which the germination and defense mechanism are maintained, and it is highly recommended to the farmers and seed producers as it is easily accessible, cost-saving, and sustainable.
format Article
author Mohd Yahaya, Aliyah
Sinniah, Uma Rani
Misran, Azizah
spellingShingle Mohd Yahaya, Aliyah
Sinniah, Uma Rani
Misran, Azizah
Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
author_facet Mohd Yahaya, Aliyah
Sinniah, Uma Rani
Misran, Azizah
author_sort Mohd Yahaya, Aliyah
title Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
title_short Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
title_full Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
title_fullStr Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
title_full_unstemmed Seed quality of lablab beans (Lablab purpureus l.) as influenced by drying methods and storage temperature
title_sort seed quality of lablab beans (lablab purpureus l.) as influenced by drying methods and storage temperature
publisher Multidisciplinary Digital Publishing Institute
publishDate 2022
url http://psasir.upm.edu.my/id/eprint/103151/
https://www.mdpi.com/2073-4395/12/3/699
_version_ 1784588254657380352
score 13.211869

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