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Physiological Response and Productivity of Indigofera Zollingeriana Mutant-2 After Salinity Stress with Different Defoliation

Hasanuddin Journal of Animal Science (HAJAS) · Vol. 7 No. 2 (2025) · pp. 77–88

DOI
10.20956/hajas.v7i2.35582
ISSN
2621-9190, 2621-9182
Published
2025-11-15
Publisher
Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia
Language
en
License
creativecommons.org/licenses/by-nc/4.0

Abstract

ABSTRACT The cultivation of Indigofera zollingeriana is carried out using coastal areas to develop livestock farming, and the genetic structure of the plant can be altered through gamma irradiation technology to enhance the level of tolerance and resilience. Therefore, this research aimed to analyze the physiological response and productivity of Indigofera zollingeriana mutant-2 plant at several doses of gamma irradiation. A separate plot method was used based on a completely randomized design (CRD). The main plot comprised defoliation duration for 40 (B1) and 70 days (B2), while the subplot consisted of gamma irradiation with dose treatment description A1= Control, A2= 100 Gy, and A3= 200 Gy. Physiological parameters of the Indigofera zollingeriana plant consisted of leaf area, index, proline, chlorophyll, and stomata. Meanwhile, productivity parameters, there are dry matter, total leaf, total branch, and stem ratio, were examined using the analysis of variance. The physiological responses of chlorophyll and stomata parameters were also reported in relation to the dose of gamma irradiation (P<0.05) and age of defoliation (P<0.05), respectively. In this context, gamma irradiation treatment affected productivity, specifically in terms of dry matter (P < 0.05). The interaction between the doses had a significant effect on the total branch of Indigofera zollingeriana mutant-2 (P<0.05). The results showed that a dose of 200 Gy of gamma irradiation, with defoliation 70 days after uniform pruning, was the most effective in providing physiological responses and plant productivity. Indigofera zollingeriana, Irradiation, Defoliation Age, Physiology, Productivity

Collaboration network of the authors

11 authors · 21 co-authorship links

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Co-authorOrganisationJoint articles
K. G. WiryawanAffiliation unknown2
A. ParakkasiAffiliation unknown2
M. WinugrohoAffiliation unknown2
M. Z. MideAffiliation unknown2
F. K. TangdilintinAffiliation unknown1
R. IslamiyatiAffiliation unknown1
A. AsrianieAffiliation unknown1
Harfiah HarfiahAffiliation 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) https://journal.unhas.ac.id/index.php/hajas/oai, first harvested 2 Nov 2026, last seen 2 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Physiological Response and Productivity of Indigofera Zollingeriana Mutant-2 After Salinity Stress with Different Defoliation </dc:title>
	<dc:creator xml:lang="en">Muarif, A.P.</dc:creator>
	<dc:creator xml:lang="en">Nadir, M.</dc:creator>
	<dc:creator xml:lang="en">Syahrir, S.</dc:creator>
	<dc:description xml:lang="en">ABSTRACT
The cultivation of Indigofera zollingeriana is carried out using coastal areas to develop livestock farming, and the genetic structure of the plant can be altered through gamma irradiation technology to enhance the level of tolerance and resilience. Therefore, this research aimed to analyze the physiological response and productivity of Indigofera zollingeriana mutant-2 plant at several doses of gamma irradiation. A separate plot method was used based on a completely randomized design (CRD). The main plot comprised defoliation duration for 40 (B1) and 70 days (B2), while the subplot consisted of gamma irradiation with dose treatment description A1= Control, A2= 100 Gy, and A3= 200 Gy. Physiological parameters of the Indigofera zollingeriana plant consisted of leaf area, index, proline, chlorophyll, and stomata. Meanwhile, productivity parameters, there are dry matter, total leaf, total branch, and stem ratio, were examined using the analysis of variance. The physiological responses of chlorophyll and stomata parameters were also reported in relation to the dose of gamma irradiation (P&amp;lt;0.05) and age of defoliation (P&amp;lt;0.05), respectively. In this context, gamma irradiation treatment affected productivity, specifically in terms of dry matter (P &amp;lt; 0.05). The interaction between the doses had a significant effect on the total branch of Indigofera zollingeriana mutant-2 (P&amp;lt;0.05). The results showed that a dose of 200 Gy of gamma irradiation, with defoliation 70 days after uniform pruning, was the most effective in providing physiological responses and plant productivity.
Indigofera zollingeriana, Irradiation, Defoliation Age, Physiology, Productivity</dc:description>
	<dc:publisher xml:lang="en">Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia</dc:publisher>
	<dc:date>2025-11-15</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/hajas/article/view/35582</dc:identifier>
	<dc:identifier>10.20956/hajas.v7i2.35582</dc:identifier>
	<dc:source xml:lang="en">Hasanuddin Journal of Animal Science (HAJAS); Vol. 7 No. 2 (2025); 77-88</dc:source>
	<dc:source>2621-9190</dc:source>
	<dc:source>2621-9182</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/hajas/article/view/35582/13714</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 A.P. Muarif, M. Nadir, S. Syahrir</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>