Germination and breaking seed dormancy of Alpinia malaccensis

Rivai, Reza Ramdan; Wardani, Fitri Fatma; Devi, M.

doi:10.13057/nusbiosci/n070202

Cited by 6 publications

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“…According to Rajasekharan et al (2016) and Maulidah et al (2019), who investigated A. galanga in South India and Indonesia, vegetative reproduction with rhizomes occurs more frequently and faster in the distribution of A. malaccensis. Many members of Zingiberaceae have been cultivated, and people usually grow Alpinia and other ginger genera using rhizomes because of the opportunity to propagate plants faster this way than from seeds (Cordeiro and Silva, 2003;Rivai et al, 2015). The clonal propagation of Alpinia results in low genetic variance in the population.…”

Section: Discussionmentioning

confidence: 99%

Genetic Diversity of Alpinia Malaccensis (BURM.F.) Roscoe (Zingiberaceae) in Java Island, Indonesia

Setiawan¹,

ARDIYANI²,

MIFTAHUDIN³

et al. 2022

SABRAOJBG

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Alpinia malaccensis (Burm.f.) Roscoe is a rare plant in Java, Indonesia, that produces essential oils. Its sustained decline causes great concern for future uses. Therefore, the study of its diversity in its natural habitat to predict future survival needs serious focus. The present study aims to determine the genetic diversity of A. malaccensis in Java based on ISSR markers. The sampling of a total of 11 populations yielded 33 accessions, which underwent amplifying using 12 ISSR primers. Using the molecular data analyzed their relationships, population structure, and genetic diversity. The UPGMA cluster, structure, and principal component analysis (PCA) demonstrated that the accessions divide in three groups, a result that correlates with their geography in Java. Group I consisted of var. malaccensis populations, while groups II and III comprised the var. nobilis populations, which proved truer among populations of var. nobilis. The genetic diversity category of A. malaccensis showed moderate based on Nei's genetic diversity (h = 0.2892) and Shannon's information index (I = 0.4438). The coefficient of genetic differentiation (GST) and molecular variance among the populations displayed higher within the individual population, which revealed a significant genetic variance among the 11 populations of A. malaccensis. The latest results confirm that ISSR markers can help distinguish the genotypes of A. malaccensis.

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Section: Discussionmentioning

confidence: 99%

Genetic Diversity of Alpinia Malaccensis (BURM.F.) Roscoe (Zingiberaceae) in Java Island, Indonesia

Setiawan¹,

ARDIYANI²,

MIFTAHUDIN³

et al. 2022

SABRAOJBG

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“…Seed coat hardness is an important factor that affects germination in seeds [32]. Seed dormancy has been reported in several species of the Zingiberaceae, including Alpinia malaccensis Roscoe [9], Alpinia galanga Willd. [10], korarima [11,12], large cardamom [13], and green cardamom [14].…”

Section: Plantlets Adaptation To Ex Vitro Conditionsmentioning

confidence: 99%

“…Hot water treatments have been reported to enhance germination of hard-coated seeds by elevating water and O 2 permeability of the testa [54]. Rivai et al [9] showed that treatment with hot water at 75 • C for 5 min gave the highest germination rate of Alpinia malaccensis Roscoe seeds. However, in our study, the hot water treatment seemed to have a negative effect on the seed germination and growth of black cardamom seedlings.…”

Section: Plantlets Adaptation To Ex Vitro Conditionsmentioning

confidence: 99%

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Improvement of In Vitro Seed Germination and Micropropagation of Amomum tsao-ko (Zingiberaceae Lindl.)

et al. 2022

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Black cardamom (Amomum tsao-ko Crevost & Lemarié) is a spice plant of great commercial value in Vietnam, but with limited propagation ability. Its seeds are characterized by a thick and hard seed coat, a small endosperm, and a small embryo, which are the causes of the physical dormancy of the seeds and low germination. Attempts in this study to improve the germination rate and achieve uniform germination included mechanical scarification, immersion in hot or cold water, acid scarification, and the application of plant growth regulators. Although immersion of seeds in cold water and application of plant growth regulators (PGRs) (gibberellic acid (GA3) and 1-naphtaleneacetic acid (NAA)) showed positive effects on seed germination and subsequent seedling growth, mechanical scarification provided the highest germination rate of black cardamom seeds (68.0%) and significantly shortened germination time (53.7 days) compared to control (16.0% and 74.7 days). On the other hand, an efficient micropropagation protocol has been established using shoot tip explants derived from in-vitro-grown seedlings. Murashige and Skoog (MS) medium supplemented with 4.0 mg/L 6-benzylaminopurine (BAP) + 0.5 mg/L NAA proved to be most suitable for rapid multiplication and rooting, providing a mean of 5.4 shoots per explant, 6.8 cm shoot length, and 16.2 roots per explant after 7 weeks of culture. Well-rooted black cardamom plantlets have been successfully adapted to ex vitro conditions. “Fasco” bio-soil was more suitable for acclimatization, with a 48.9% survival rate, 23.3 cm plant length, and 5.7 leaves per plant after 3 months of planting. Improved germination and multiplication protocols can be used to improve propagation performances and to develop elite of black cardamom planting material.

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“…This indicates that sand is a suitable me- The high TR ratio indicates that the media used is relatively fertile and that sufficient water is available (Orpa et al 2019). According to (Rivai et al 2015), rice husk charcoal has good aeration and drainage properties but low water holding capacity, while coco peat has both high porosity and water holding capacity. Mixing these two media with soil produces an ideal medium for the growth of I. tinctoria L. seedlings, particularly in an unshaded location (0% shade).…”

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confidence: 99%

The Development of Indigofera spp. as a Source of Natural Dyes to Increase Community Incomes on Timor Island, Indonesia

Agustarini¹,

Heryati²,

Adalina³

et al. 2022

Economies

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A strategy that has the potential to contribute to the achievement of the targets established under SDG 8 (“Decent Work and Economic Growth”) involves the development of sustainable tourism to create productive job and livelihood opportunities and to promote local culture and products. In the province of East Nusa Tenggara (NTT), Indonesia, ikat weaving is an integral part of the cultural heritage of the region, with ikat characterized by unique design motives and the use of natural dyes. Unfortunately, in some areas, the use of natural dyes is diminishing as a result of competition with synthetic dyes and the limited availability of raw materials, particularly for the production of blue dye. The development of Indigofera spp. to produce natural, plant-based blue dye has significant potential to contribute to community incomes and employment. This study outlines a strategy for developing the use of Indigofera spp. as a natural dye and describes its potential for contributing to community incomes, especially on Timor Island, NTT. The study shows that weavers currently use indigo plants that grow naturally in gardens and yards. Although the community has a tradition of using these plants, informed by local wisdom, to develop the cultivation and processing of this plant through the application of the appropriate techniques, including innovative approaches to producing indigo paste, could enable the development of Indigofera spp. cultivation on a larger scale. The study shows that the availability of suitable land is high (±370 thousand ha), with 80% of the suitable land being categorized as critical. The study proposes a development based on the analysis of strengths, weaknesses, opportunities, and threats to assess the manner in which these opportunities could be leveraged with the support and participation of local communities and other stakeholders by leveraging the culture and wisdom of the community regarding the use of Indigofera spp.

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Germination and breaking seed dormancy of Alpinia malaccensis

Cited by 6 publications

References 0 publications

Genetic Diversity of Alpinia Malaccensis (BURM.F.) Roscoe (Zingiberaceae) in Java Island, Indonesia

Genetic Diversity of Alpinia Malaccensis (BURM.F.) Roscoe (Zingiberaceae) in Java Island, Indonesia

Improvement of In Vitro Seed Germination and Micropropagation of Amomum tsao-ko (Zingiberaceae Lindl.)

The Development of Indigofera spp. as a Source of Natural Dyes to Increase Community Incomes on Timor Island, Indonesia

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