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TRUE SHALLOT (Allium cepa var ascalonicum) SEED PRODUCTION DURING OFF SEASON

BIOTROPIA · Vol. 28 No. 2 (2021) · pp. 102–108

DOI
10.11598/btb.2021.28.2.1079
ISSN
1907-770X, 0215-6334
Published
2021-08-13
Publisher
SEAMEO BIOTROP
Language
en
License
creativecommons.org/licenses/by-nc-nd/4.0

Abstract

The application of seed for true shallot cultivation is an alternative of the more common cultivation practice, in which 30% of harvested tubers used for cultivation purposes. The seed production of this temperate tuber, in the tropical region, is quite challenging due to low flowers and seed formation. Several studies showed that vernalization (cold induction) and application of Benzil Amino Purin (BAP) could be applied to improve flowering and seed production. However, such studies were conducted during the best cultivation period for about 3 months and thus, limit the production period of seeds. This study was conducted to observe the effect of both methods outside cultivation periods to flower and capsule numbers, fruit set, and weight of 100 seeds compared with common cultivation. In this study, bulbs of onion vernalized at 10oC for 30 days then became subjected to synthetic hormone (BAP) prior planted while control group The results showed that BAP treated shallot group has the lowest values for all observed parameters (1552.67, 312.11, 22.5%, 0.2244 gram) compared to those vernalization treated group (1592.44, 623, 30.5%; 0.2261 gram) and control group (6774.67; 3898.44; 57.06%; 0.3304 gram). Based on this study, it could be concluded that common cultivation is a better method to produce true shallot seeds during the offseason.

Keywords

Collaboration network of the authors

40 authors · 101 co-authorship links · showing the 40 most connected

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  • Padjadjaran University
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Agus Dana PermanaAffiliation unknown12
Ika Agus RiniAffiliation unknown3
Hery PurnobasukiAffiliation unknown3
RIKA RAFFIUDINAffiliation unknown3
RC Hidayat SoesilohadiAffiliation unknown3
Auliya NurulfahAffiliation unknown3
Yenyen FatmalasariAffiliation unknown3
Tri CahyantoAffiliation unknown2
Muhammad AsrilAffiliation unknown2
Ateng SupriyatnaAffiliation unknown2
Astuti KusumoriniAffiliation unknown2
Mushaliyah MushaliyahAffiliation unknown1
Gunadi TrinuroniAffiliation unknown1
Ana RochanaPadjadjaran University1
Rachmat WiradimadjaPadjadjaran University1
Denny RusmanaAffiliation unknown1
Nindia Safa'atAffiliation unknown1
Muhammad Dzaky AlfawwazAffiliation unknown1
Agus SusantoAffiliation unknown1
Ucu JulitaAffiliation unknown1
Din Dzakamala Fafi Rohmatillah1Affiliation unknown1
Acep PurqonAffiliation unknown1
Nadia Damika PutriAffiliation unknown1
Rina SusantiAffiliation unknown1
Yani SuryaniAffiliation unknown1
Listia Wati SophiaAffiliation unknown1
Asep KomarudinAffiliation unknown1
Satrio Aribowo B. WicaksonoAffiliation unknown1
Ana WidianaAffiliation unknown1
Samsul SulaemanAffiliation unknown1
Roma Nugraha RusputaAffiliation unknown1
Zhia Rizki ArdianAffiliation unknown1
Risha Amilia PratiwiAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) http://journal.biotrop.org/index.php/biotropia/oai, first harvested 8 Nov 2026, last seen 8 Nov 2026.
Original metadata (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">TRUE SHALLOT (Allium cepa var ascalonicum) SEED PRODUCTION DURING OFF SEASON </dc:title>
	<dc:creator xml:lang="en">Putra, Ramadhani Eka</dc:creator>
	<dc:creator xml:lang="en">Ramadan, D Beta</dc:creator>
	<dc:creator xml:lang="en">Adin, Adriyanita</dc:creator>
	<dc:creator xml:lang="en">Kinasih, Ida</dc:creator>
	<dc:creator xml:lang="en">Rosmiati, Mia</dc:creator>
	<dc:creator xml:lang="en">Oktaviani, Indah</dc:creator>
	<dc:creator xml:lang="en">Leksikowati, Sovia Santi</dc:creator>
	<dc:subject xml:lang="en">Benzil Amino Purin</dc:subject>
	<dc:subject xml:lang="en">True Shallot Seeds</dc:subject>
	<dc:subject xml:lang="en">Vernalisasi</dc:subject>
	<dc:description xml:lang="en">The application of seed for true shallot cultivation is an alternative of the more common cultivation practice, in which 30% of harvested tubers used for cultivation purposes. The seed production of this temperate tuber, in the tropical region, is quite challenging due to low flowers and seed formation. Several studies showed that vernalization (cold induction) and application of Benzil Amino Purin (BAP) could be applied to improve flowering and seed production. However, such studies were conducted during the best cultivation period for about 3 months and thus, limit the production period of seeds. This study was conducted to observe the effect of both methods outside cultivation periods to flower and capsule numbers, fruit set, and weight of 100 seeds compared with common cultivation. In this study, bulbs of onion vernalized at 10oC for 30 days then became subjected to synthetic hormone (BAP) prior planted while control group The results showed that BAP treated shallot group has the lowest values for all observed parameters (1552.67, 312.11, 22.5%, 0.2244 gram) compared to those vernalization treated group (1592.44, 623, 30.5%; 0.2261 gram) and control group (6774.67; 3898.44; 57.06%; 0.3304 gram). Based on this study, it could be concluded that common cultivation is a better method to produce true shallot seeds during the offseason.</dc:description>
	<dc:publisher xml:lang="en">SEAMEO BIOTROP</dc:publisher>
	<dc:date>2021-08-13</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.biotrop.org/index.php/biotropia/article/view/1079</dc:identifier>
	<dc:identifier>10.11598/btb.2021.28.2.1079</dc:identifier>
	<dc:source xml:lang="en">BIOTROPIA; Vol. 28 No. 2 (2021): BIOTROPIA Vol.28 No.2, Agustus 2021 ; 102 - 108</dc:source>
	<dc:source>1907-770X</dc:source>
	<dc:source>0215-6334</dc:source>
	<dc:source>10.11598/btb.2021.28.2.</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.biotrop.org/index.php/biotropia/article/view/1079/572</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2020 BIOTROPIA - The Southeast Asian Journal of Tropical Biology</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc-nd/4.0</dc:rights>
</oai_dc:dc>