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Artykuły w czasopismach na temat „Seed germination”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Pee, K. C., C. E. Johnson, E. W. Bush, and E. A. Drummond. "SUB-OPTIMUM TEMPERATURE GERMINATION OF 15 WATERMELON CULTIVARS." HortScience 25, no. 8 (1990): 862a—862. http://dx.doi.org/10.21273/hortsci.25.8.862a.

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Seed of 15 watermelon cultivars were evaluated for germinating ability at sub-optimum temperatures. Seeds of each cultivar were exposed to 12.8, 15.6, 18.3, 21.1, and 30.0°C for 8 days in a germinator in accordance to standard seed testing rules. Radical emergence was evaluated on day 5 and day 8. None of the cultivars germinated at 12.8C after 8 days exposure. At 15.6°C, 'Red-N-Sweet' and `Blackstone' had germinations of 54 and 40 percent respectively on day 5, and both increased to over 80 percent on day 8. At 18.3°C `Red-N-Sweet' and `Blackstone' exhibited at least 90 percent germination af

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2

Chiu, S. N., та M. P. Quine. "Central limit theorem for germination-growth models in ℝd with non-Poisson locations". Advances in Applied Probability 33, № 4 (2001): 751–55. http://dx.doi.org/10.1239/aap/1011994026.

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Seeds are randomly scattered in ℝd according to an m-dependent point process. Each seed has its own potential germination time. From each seed that succeeds in germinating, a spherical inhibited region grows to prohibit germination of any seed with later potential germination time. We show that under certain conditions on the distribution of the potential germination time, the number of germinated seeds in a large region has an asymptotic normal distribution.

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Chiu, S. N., та M. P. Quine. "Central limit theorem for germination-growth models in ℝd with non-Poisson locations". Advances in Applied Probability 33, № 04 (2001): 751–55. http://dx.doi.org/10.1017/s0001867800011162.

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Seeds are randomly scattered in ℝ d according to an m-dependent point process. Each seed has its own potential germination time. From each seed that succeeds in germinating, a spherical inhibited region grows to prohibit germination of any seed with later potential germination time. We show that under certain conditions on the distribution of the potential germination time, the number of germinated seeds in a large region has an asymptotic normal distribution.

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4

Liu, Mengzhou, Ning Qiao, Bing Zhang, et al. "Differential responses of the seed germination of three functional groups to low temperature and darkness in a typical steppe, Northern China." PeerJ 10 (December 1, 2022): e14485. http://dx.doi.org/10.7717/peerj.14485.

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Seed germination is a key stage in the life history of plants, which has a crucial effect on plant community structure. Climate change has substantially altered the surface soil temperature and light availability, which can affect seed germination. However, whether the seed germination of different functional groups is affected by the interactions of light and temperature remains unclear. Under laboratory conditions, we examined the effects of low temperature and darkness, as well as their interaction, on the seed germination of 16 species belonging to three plant functional groups (annual and

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5

Wartidiningsih, N., and Robert L. Geneve. "IMPROVEMENT IN SEED GERMINATION IN PURPLE CONEFLOWER (ECHINACEA PURPUREA) AFTER COLD STRATIFICATION OR OSMOTIC PRIMING." HortScience 25, no. 9 (1990): 1088c—1088. http://dx.doi.org/10.21273/hortsci.25.9.1088c.

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Germination was evaluated in six seed lots of purple coneflower purchased from four different seed companies. Standard germination percent ranged from 28% to 90% depending on the seed lot. For seed collected in 1989, seed size and stage of development of the seed at harvest could not account for the wide variability in seed germination observed in the purchased seed lots. preconditioning the seed with either cold stratification (10°C for 10 days) or osmotic priming (PEG or salt solution at -5 bars for 5 days) increased the rate of germination and the overall percent germination for all seed lo

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6

M. Olivas, Regine. "SEED GERMINATION OF TOMATO (SOLANUM LYCOPERSICUM) USING PAPAYA (CARICA PAPAYA L.) FRUIT EXTRACTS AS NATURALLY OCCURRING GERMINATION INHIBITOR AND GIBBERELLIC ACID IN VARIOUS SEED TREATMENTS." International Journal of Advanced Research 9, no. 11 (2021): 923–26. http://dx.doi.org/10.21474/ijar01/13822.

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Seed Germination is a vital process in plant growth and development. It is very crucial in crop production. Control of seed germination can proceed if there are presence of naturally occurring germination inhibitors such as papaya fruit extracts. Promotion of seed germination on the other hand, can be obtain from plant growth hormones such as gibberellic acid. Various seed treatments used in the experiment were the following: T1-unwashed, fresh T2-washed, fresh T3-washed, air-dried T4-washed, fresh and T5-washed, fresh.Twenty (20) seeds were counted for each treatment. Distilled water as the g

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7

Zhang, Heng, Guang Chen, Heng Xu, et al. "Transcriptome Analysis of Rice Embryo and Endosperm during Seed Germination." International Journal of Molecular Sciences 24, no. 10 (2023): 8710. http://dx.doi.org/10.3390/ijms24108710.

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Seed germination is a complex, multistage developmental process that is an important step in plant development. In this study, RNA-Seq was conducted in the embryo and endosperm of unshelled germinating rice seeds. A total of 14,391 differentially expressed genes (DEGs) were identified between the dry seeds and the germinating seeds. Of these DEGs, 7109 were identified in both the embryo and endosperm, 3953 were embryo specific, and 3329 were endosperm specific. The embryo-specific DEGs were enriched in the plant-hormone signal-transduction pathway, while the endosperm-specific DEGs were enrich

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8

Faúndez, Ángela, Carlos R. Magni, Eduardo Martínez-Herrera, et al. "Effect of the Soil Matric Potential on the Germination Capacity of Prosopis chilensis, Quillaja saponaria and Cryptocarya alba from Contrasting Geographical Origins." Plants 11, no. 21 (2022): 2963. http://dx.doi.org/10.3390/plants11212963.

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As a consequence of the megadrought in Central Chile, it is expected that most of the distribution of woody species will be narrowed in the northern limits because of restrictions imposed by soil matric potential on seed germination. In this study, we analyzed the effect of the soil matric potential on seed germination and initial recruitment of the sclerophyllous species Prosopis chilensis, Quillaja saponaria and Cryptocarya alba from contrasting geographic origins (i.e., seed sources). We evaluated the germination capacity (%) under different matric potentials (i.e., 0, −6, −33, −750 and −12

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9

Ling-Yun, Wu, Yan Jun, Huang Zhi-wu, Wan Yan-Hui, and Zhu Wei-Min. "Solid matrix priming improves cauliflower and broccoli seed germination and early growth under the suboptimal temperature conditions." PLOS ONE 17, no. 10 (2022): e0275073. http://dx.doi.org/10.1371/journal.pone.0275073.

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Seed priming is an effective method for imparting stress tolerance to plants. This study aimed to analyze the effects of solid matrix priming (SMP) on cauliflower and broccoli seed germination and early seedling growth under suboptimal temperature conditions. The SMP method used in this study included the following steps: (1) mixing seeds with vermiculite and water at a ratio of 2:3:2.5 (w/w/v) and incubating for 2 days in the dark at 20°C; (2) drying the SM-primed seed; (3) germinating the SM-primed and the nonprimed seeds at 10, 15, 20, and 25°C; (4) analyzing the antioxidant enzyme activiti

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10

Foolad, Majid R., Prakash Subbiah, and Liping Zhang. "Common QTL Affect the Rate of Tomato Seed Germination under Different Stress and Nonstress Conditions." International Journal of Plant Genomics 2007 (February 10, 2007): 1–10. http://dx.doi.org/10.1155/2007/97386.

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The purpose of this study was to determine whether the rates of tomato seed germination under different stress and nonstress conditions were under common genetic controls by examining quantitative trait loci (QTL) affecting such traits. Seeds of BC1 progeny of a cross between a slow-germinating tomato breeding line and a rapid-germinating tomato wild accession were evaluated for germination under nonstress as well as cold, salt, and drought stress conditions. In each treatment, the most rapidly-germinating seeds were selected, grown to maturity, and subjected to molecular marker analysis. A se

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11

Zhao, Jia, Wenjun Li, Shan Sun, et al. "The Rice Small Auxin-Up RNA Gene OsSAUR33 Regulates Seed Vigor via Sugar Pathway during Early Seed Germination." International Journal of Molecular Sciences 22, no. 4 (2021): 1562. http://dx.doi.org/10.3390/ijms22041562.

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Seed vigor affects seed germination and seedling emergence, and therefore is an important agronomic trait in rice. Small auxin-up RNAs (SAURs) function in a range of developmental processes, but their role in seed vigor remains unclear. Here, we observed that disruption of OsSAUR33 resulted in reduced germination rates and low seed uniformity in early germination. Expression of OsSAUR33 was higher in mature grains and early germinating seeds. RNA-seq analysis revealed that OsSAUR33 modulated seed vigor by affecting the mobilization of stored reserves during germination. Disruption of OsSAUR33

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12

Nikolić, Biljana, Sonja Braunović, Filip Jovanović, Saša Eremija, Marija Marković, and Ljubinko Rakonjac. "Seed germination tests in Achillea genus from the Pirot County (Southeastern Serbia)." Etnobotanika 2, no. 1 (2022): 145–70. http://dx.doi.org/10.46793/etnbot22.145n.

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Conditions in Serbia are favorable for the successful cultivation of high-quality varieties of yarrow. The paper examines the germination of seeds of four species of the genus Achillea (A. clypeolata, A. coarctata, A. crithmifolia, A. millefolium), which grow wild in the Pirot County, in order to investigate their potential cultivation. The seeds were first placed in Krstić’s germinator for germination without prior stratification, where, apart from A. crithmifolia seeds, the seeds of the other species did not germinate. After maintaining the seeds for 24 h in a refrigerator, treatment with ho

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13

Pahl, M. D. "Design of a seed surface disinfection apparatus." Canadian Journal of Plant Science 73, no. 1 (1993): 159–61. http://dx.doi.org/10.4141/cjps93-020.

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Accurate germination tests often require control of fungal and bacterial contamination in germinating seeds. However, disinfection of seed surfaces to reduce contamination can be time consuming. A new seed surface disinfection apparatus was designed to save time and reduce the variability between seed lots. Key words: Germination tests, seed surface disinfection

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14

Vrzalová, Jana, and Pavel Knot. "The effect of seed age and treatment by Proradix method on germinability and initial growth of selected meadow grass (Poa pratensis) varieties." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 59, no. 5 (2011): 309–14. http://dx.doi.org/10.11118/actaun201159050309.

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The goal of the study conducted in 2008 and 2010 at the Research Forage Production Station in Vatín was to investigate the influence of seed age and seed treatment by Proradix method on the germination dynamics, total germinating capacity and initial growth rate of selected meadow grass varieties. The testing was carried out in controlled conditions on the germinator. Our results indicate that the age of seed significantly affects both the germination dynamics and the total germinating capacity. On day 7 after the establishment of the trial, a significantly higher germinating capacity was obse

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15

Tan, Jia W., Sharon T. Kester, Kai Su, David F. Hildebrand, and Robert L. Geneve. "Seed Priming and Pericarp Removal Improve Germination in Low-Germinating Seed Lots of Industrial Hemp." Crops 2, no. 4 (2022): 407–14. http://dx.doi.org/10.3390/crops2040028.

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Industrial hemp (Cannabis sativa L.) is experiencing a resurgence in North America as an agricultural commodity. Germplasm improvement for locally adapted and stable cannabinoid production is an industry priority. This study used seed priming and pericarp removal to recover seedlings in low-germinating seed lots that could prove important for plant breeding and germplasm conservation. Both seed priming and pericarp removal improved early seed germination, but pericarp removal was more effective in improving overall final germination percentages. On average, pericarp removal improved final germ

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16

Tyagi, A. P., M. Taylor, and P. C. Deo. "Seed germination and seedling development in Taro (Colocasia esculenta)." South Pacific Journal of Natural and Applied Sciences 22, no. 1 (2004): 62. http://dx.doi.org/10.1071/sp04007.

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Two taro (Colocasia esculenta (L.) Schott var. esculenta) cultivars from Fiji and Papua New Guinea were grown at the University of the South Pacific, Laucala Campus, Fiji to produce seeds for seed storage experiments. Gibberellic acid at a 500ppm concentration was used to induce flowering. Very few flowering shoots (inflorescence) were observed in the Fiji cultivar and all pollinations were unsuccessful. However the PNG cultivar flowered well and was used to obtain seed after hand pollination. Hand pollination was carried out to ensure seed setting in developing fruits in the inflorescence. Se

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17

Tabatabaei, S. A. "The Changes of Germination Characteristics and Enzyme Activity of Barley Seeds under Accelerated Aging." Cercetari Agronomice in Moldova 48, no. 2 (2015): 61–67. http://dx.doi.org/10.1515/cerce-2015-0030.

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Abstract Seed aging is the main problem of seed storage. Changes of enzyme activity and reduction of seedling growth are consequence of seed deterioration. An experiment was conducted to evaluate the effects of accelerated aging on germination indexes and enzyme activity of barley seeds. Seeds were incubated in closed plastic boxes for the accelerated aging treatments at 41°C. Three accelerate aging regimes were performed by placing seeds at 41°C and relative humidity (RH) of 90-100 % for 0, 4 and 8 day periods. Our results showed that increasing aging duration resulted higher reduction in ger

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18

Liu, Yongjie, and Fujiang Hou. "Effects of three-dimensional soil heterogeneity on seed germination in controlled experiments." Journal of Plant Ecology 14, no. 1 (2020): 1–9. http://dx.doi.org/10.1093/jpe/rtaa070.

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Abstract Aims Seed germinations react to their local growing conditions, but the impacts of soil heterogeneity on seed germinations are not well known. Methods Effects of three-dimensional soil heterogeneity on seed germinations of grasses species were explored, where two levels of such soil heterogeneity were created via alternatively filling nutrient-poor and nutrient-rich substrate in pot in all directions. Patch sizes of the two heterogeneity levels are around 7.5 and 15 cm, respectively. Fifty seeds of each of the grasses species (Lolium perenne and Elymus nutans) were set either in these

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19

Barney, Danny L. "Germination Characteristics of Thin-leaved Huckleberry (Vaccinium membranaceum)." HortScience 32, no. 3 (1997): 538B—538. http://dx.doi.org/10.21273/hortsci.32.3.538b.

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Seeds of V. membranaceum germinated in petri dishes fresh (undried), airdried for 7 days, or cold-stored for 1 or 6 years exhibited similar germination vs. time curves. Dry storage at 0–4°C for 1 or 6 years did not reduce the percentage of germination compared to fresh seeds. Cold stratification at 0–4°C slowed germination by extending the initial lag phase compared to unstratified seed. Stratification for 28 to 56 days delayed germination by ≈2 weeks. This pattern held true for fresh (undried) seed, seed air-dried for 7 days, and seed cold-stored for 6 years. Surface sterilization for 20 or 3

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20

Awopegba, T. M., and Augustine A. Matthew. "Impact of Maize Seed Moisture Content Reduction on Germination Parameters as Influenced by Sun Drying." International Journal of Environment, Agriculture and Biotechnology 8, no. 4 (2023): 046–50. http://dx.doi.org/10.22161/ijeab.84.6.

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When growing seedlings for commercial purposes, excellent seed quality is crucial. Seed quality influences germination rate because seeds that sprout slower typically produce lower-quality seedlings. In numerous plants, seed moisture content has a significant impact on seed germinating speed. This study investigates the impact of various moisture content (MC) reductions on maize germination parameters and determines the moisture content level essential for maize germination. A comprehensive laboratory experiment was laid out in a completely randomized design (CRD) consisting of five treatments

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21

Androsova, D., and N. Danilova. "WEEDS GERMINATING ABILITY AND GERMINATION NATURE IN CONNECTION WITH THEIR BIOMORPH." Bulletin of KSAU, no. 5 (January 22, 2025): 94–101. https://doi.org/10.36718/1819-4036-2023-5-94-101.

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The purpose of research is to study the germinating ability and nature of germination of weed seeds in connection with their biomorph. The study was carried out in the Botanical Garden of the Institute for Biological Problems of Permafrost, Siberian Branch, Russian Academy of Sciences, located in the in the neighborhood of Yakutsk city within Central Yakutia. The object of the study is the seeds of 38 weed species in the neighborhood of Yakutsk city. Seed collection was carried out in the phase of full maturity. Seeds were stored in paper bags at room temperature 18–24 °C. Seed germination con

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Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (June 12, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (June 7, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (June 19, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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25

Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (July 3, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (July 10, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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Carvalho, Nayara, Josué Raizer, and Erich Fischer. "Germination of Cecropia pachystachya (Urticaceae) Dispersed by Artibeus lituratus (Olfers, 1818) and Artibeus planirostris (Spix, 1823; Chiroptera, Phyllostomidae), Campo Grande, Mato Grosso do Sul, Brazil." Tropical Conservation Science 10 (July 17, 2017): 194008291772494. https://doi.org/10.5281/zenodo.13411088.

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(Uploaded by Plazi for the Bat Literature Project) Neotropical fruit bats are important dispersers of endozoochorous seeds, and the passage of seeds through their guts can affect germination. We asked whether the passage of Cecropia pachystachya (Urticaceae) seeds through guts of bats influences their germination behavior, specifically the proportion of germinated seeds and onset and speed of germination. We collected seed sets from bat feces and directly from ripe fruits monthly for a total of 6 months, in the urban area of Campo Grande, Central Brazil. Seeds were stored in glycerol until the

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Paynter, BH, and KW Dixon. "Propagation of yellow bells (Geleznowia verrucosa Turcz., Rutaceae) from seed." Australian Journal of Agricultural Research 42, no. 5 (1991): 901. http://dx.doi.org/10.1071/ar9910901.

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Geleznowia verrucosa Turcz. (Rutaceae) is a commercially important, bush-picked wildflower that has no known commercial means of propagation. This study examined factors influencing seed dormancy and likely to restrict germination of the species. Germination of entire, untreated seed was low (less than 2%), but removal of a small portion of the testa at or near the radicle end of the seed improved germination. This response was affected by the temperature under which the seed germinated, but was unaffected by exposure of the seed to light while germinating. The percentage germination of nicked

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Ribeiro-Oliveira, João Paulo, Marco Aurélio Bosseli, and Edvaldo Aparecido Amaral da Silva. "Acceleration in Germination Sensu stricto Plays a Central Role on Seedling Vigor in Post-Germination." Plants 10, no. 10 (2021): 2151. http://dx.doi.org/10.3390/plants10102151.

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An obvious relationship between germination sensu stricto and seedling development during post-germination has been considered, but not explained concerning vigor. Taking this into account, we used measurements of water dynamics in germinating seeds and seedling development to clarify that relationship. The biological model was soybean seeds, since it is the most relevant ‘true seed’ produced around world. Our findings suggest that the way energy is used (acceleration) and not its input (velocity) is the main aspect relating seed germination and seedling development, especially when considerin

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Khaiper, Mamta, Preety Verma, Monika Jangra, et al. "Biorationals and Chemical Treatments to Overcome the Dormancy in Tree spp." International Journal of Environment and Climate Change 13, no. 3 (2023): 73–81. http://dx.doi.org/10.9734/ijecc/2023/v13i31683.

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Dormancy in seeds is defined as the failure of seeds to germinate despite the presence of all necessary conditions for germination. It is caused by the impermeability of the hard seed coat or a lack of availability and activity of germination-essential enzymes. Seeds undergo a variety of physical and chemical pre-treatments to break their dormancy. It results into lower seed germination rate and poor growth. To overcome this drawback various treatments are given to the seeds before sowing this study reviews some of the pre-sowing practices and the effects they have on seed germination and grow

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Michael, Pippa J., Kathryn J. Steadman, and Julie A. Plummer. "Seed development in Malva parviflora: onset of germinability, dormancy and desiccation tolerance." Australian Journal of Experimental Agriculture 47, no. 6 (2007): 683. http://dx.doi.org/10.1071/ea06078.

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Seed development was examined in Malva parviflora. The first flower opened 51 days after germination; flowers were tagged on the day that they opened and monitored for 33 days. Seeds were collected at 12 stages during this period and used to determine moisture content, germination of fresh seeds and desiccation tolerance (seeds dried to 10% moisture content followed by germination testing). Seed moisture content decreased as seeds developed, whereas fresh (max. 296 mg) and dry weight (max. 212 mg) increased to peak at 12–15 and ~21 days after flowering (DAF), respectively. Therefore, physiolog

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Gundala, Belangie Tuahte, Eny Widajati, and Satriyas Ilyas. "The Development of Germination Tests and Breaking Dormancy Techniques of Bitter Seeds (Andrographis paniculata (Burm. f.) Wall. ex Nees)." Journal of Tropical Crop Science 10, no. 02 (2023): 124–32. http://dx.doi.org/10.29244/jtcs.10.02.124-132.

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Bitter seed (Andrographis paniculata (Burm. f.) Wall. ex Nees) is a medicinal species used in phyto pharmacy and known as ‘the king of bitterness’. Bitter seeds contain andrographolide, a diterpenoid lactone which is widely used in Indian medicine for snake bites and for the treatment of hepatitis. The research was conducted at the Seed Management Unit experimental field of the Indonesian Spice and Medicinal Plants Research Institute (IMACRI) and at the Seed Quality Testing Laboratory of IPB University, Indonesia, from January until May 2021. The objectives of the study is to determine t

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Fernando, Nimesha, Talia Humphries, Singarayer K. Florentine, and Bhagirath S. Chauhan. "Factors Affecting Seed Germination of Feather Fingergrass (Chloris virgata)." Weed Science 64, no. 4 (2016): 605–12. http://dx.doi.org/10.1614/ws-d-15-00212.1.

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Laboratory experiments were carried out to determine the effect of several environmental factors on seed germination of feather fingergrass, one of the most significant emerging weeds in warm regions of the world. Seed germination occurred over a broad range of temperatures (17/7, 25/10, and 30/20 C), but germination being highest at alternating temperatures of 30/20 C under both 12 h light/12 h dark and 24 h dark conditions. Although seed germination was favored by light, some seeds were capable of germinating in the dark. Increasing salt stress decreased seed germination until complete inhib

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Edo-Tena, Eva, Russ W. Gesch, and Aritz Royo-Esnal. "Germination Patterns in Seeds Produced in Apical and Basal Fruits of Two Thlaspi arvense Populations." Agronomy 10, no. 5 (2020): 756. http://dx.doi.org/10.3390/agronomy10050756.

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The aim of the present work is to study possible differences in the germination behavior of apical and basal seeds (produced in the upper and lower fruits of the infruitescence), of two populations of field pennycress (Thlaspi arvense), both produced in a Mediterranean and a continental temperate climate. The results showed that among the three studied factors (population, seed type, production site), only the production site was relevant for the total germination, germinating those produced in Morris in a greater amount than those produced in Lleida. Germination models could be applied only t

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Dawar, Rakesh, Vishwanath Rohidas Yalamalle, Ram Swaroop Bana, et al. "Seed Dormancy Dynamics and Germination Characteristics of Malva parviflora L." Agriculture 14, no. 2 (2024): 266. http://dx.doi.org/10.3390/agriculture14020266.

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Little mallow (Malva parviflora L.) is a notorious weed that causes substantial yield losses in winter crops. For effective weed management and seed testing, a deeper understanding of seed dormancy, germination behavior, and dormancy-breaking methods is necessary. Experiments were conducted to determine the effect of seed treatments, i.e., mechanical scarification, acid scarification, hot water treatment, and different germinating temperatures, i.e., 15 °C, 20 °C, or alternating 15–20 °C (16/8 h), on the seed dormancy in M.parviflora. A large proportion of M. parviflora seeds were physically d

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Naylor, R. E. L. "An analysis of the differences in germination of seed lots of perennial ryegrass in response to artificial ageing." Journal of Agricultural Science 112, no. 3 (1989): 351–57. http://dx.doi.org/10.1017/s0021859600085804.

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SummaryStatistically sound methods for analysing the results of germination tests were used to quantify and assess differences between seed lots of perennial ryegrass (Lolium perenne L.) subjected to accelerated ageing. Ageing altered not only the proportion of seed not germinating but also the mean germination time and the synchrony of germination. Seed lots differed in these three parameters before and after ageing. The responses to ageing of mean germination time and synchrony were not regular and a simulation of trie possible effects of ageing on germination suggested this irregularity mig

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Bakei, S. K. "Seed germination of invasive plant species of the genus Goldenrod (Solidago)." Proceedings of the National Academy of Sciences of Belarus, Biological Series 64, no. 1 (2019): 107–11. http://dx.doi.org/10.29235/1029-8940-2019-64-1-107-111.

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The germination of seeds of invasive compaction of plant species of the genus Solidago was studied in 38 samples selected within the Minsk (17 samples) and Novogrudok (21 samples) Upland in the autumn (14 samples), winter (11 samples) and spring (13 samples) periods 2017–2018 years. Germination of seeds varies in a wide range from 0 to 95%. Also, when registering the results, they revealed the presence of undeveloped seeds, the number of which in the samples ranges from 2 to 95 %. A pronounced feedback was established between the germination of seeds and the number of undeveloped seeds (correl

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Salomé-Díaz, Julieta, Jordan Golubov, Luis E. Eguiarte, and Alberto Búrquez. "Difference in Germination Traits between Congeneric Native and Exotic Species May Affect Invasion." Plants 13, no. 4 (2024): 478. http://dx.doi.org/10.3390/plants13040478.

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Germination traits are components of invasion potential, and comparing seed traits in sympatric native and invasive species can offer insights into the invasion process. We characterized seed germination traits and how they influenced the success of Eragrostis mexicana, a native species, and Eragrostis tenuifolia, an exotic species (Poaceae) in Mexico, in the context of their potential for biological invasion. Seeds from both species were collected from four sites in a natural protected area in Mexico City, and the germination of seeds of different ages was conducted in experiments at differen

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Valšíková, Magdaléna, Jaroslav Jedlička, Ivana Mezeyová, and Seda Guler. "Influence Of Magnetic Field On Onion Seed Germination." Acta Horticulturae et Regiotectuare 18, no. 1 (2015): 11–15. http://dx.doi.org/10.1515/ahr-2015-0003.

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Abstract Dynamics of onion seeds germination with different germinability and magnetic field influence with variable intensity on onion germinative activity was determined in trials. Amika F1 hybrid marked low germinative activity. On 21th day after trial foundation it reached germinability of 34–46%. Halftime of this germination was reached on fourth to fifth day after trial foundation. Exhibition variety had convenient germination activity, 70–91%. Halftime of its germinability was reached on sixth to eighth day after trial foundation. On the base of submitted results there can be said that

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Curtis, Marnelle, Katherine Chi, and Brenda Molano-Flores. "Seed ecology ofSynthyris bullii(Plantaginaceae), a rare endemic of the midwestern USA." Botany 91, no. 12 (2013): 884–89. http://dx.doi.org/10.1139/cjb-2013-0024.

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Many rare plant species are declining owing to habitat destruction and degradation. Because many populations of rare species suffer low recruitment, a good understanding of seed ecology is crucial for developing effective conservation and management plans. In this study, we examine the effects of shading, seed longevity, and soilless mixes on seed germination for the rare midwestern USA endemic Synthyris bullii (Eaton) A. Heller. Seed germination studies were conducted in a greenhouse environment utilizing seeds from populations collected in Illinois in 2008, 2009, and 2010. In the shading stu

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Doucet, Colleen, and Paul B. Cavers. "Induced dormancy and colour polymorphism in seeds of the bull thistleCirsium vulgare(Savi) Ten." Seed Science Research 7, no. 4 (1997): 399–408. http://dx.doi.org/10.1017/s0960258500003810.

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AbstractTo colonize newly disturbed areas, weedy species must disperse their seeds in space and/or in time.Cirsium vulgarehas poor dispersal in space, but can form a persistent seed bank. Fresh seeds are capable of germinating in either light/dark or constant dark conditions under favourable diurnal temperatures of 25°C: 10°C. Despite this lack of dormancy, a large proportion of seeds do not germinate in the autumn after dispersal. Variation in germination requirements according to seed colour was also examined. Fresh seeds were placed under one of two overwintering treatments at 5°C, alternat

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Fadhilah, Siti, Eny Widajati, Satriyas Ilyas, Endah Retno Palupi, and Abdul Qadir. "Protocol Development for Assessing Seed Moisture Content and Germination Testing in Amorphophallus muelleri Blume." Journal of Tropical Crop Science 12, no. 01 (2025): 132–44. https://doi.org/10.29244/jtcs.12.01.132-144.

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Seed quality testing involves the evaluation of germination capacity under a standardized moisture content. However, limited reports have been found for seed testing methodology, especially for Amorphophallus muelleri. Standardizing the seed testing method for A. muelleri is essential to ensure repeatability, reproducibility, and reliable seed germination results. This study aimed to develop procedures for assessing seed moisture content and germination tests. Three seed lots were used for seed moisture content determination. The necessity for seed cutting and efficacy of high-temperature oven

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Thapliyal, Manisha, Namitha N.K., Deepika, and Giridhar Singh. "Study on Maturity Indices and Effect of Growing Substrates on Seed Germination of Litsea glutinosa." Annual Research & Review in Biology 39, no. 10 (2024): 17–27. http://dx.doi.org/10.9734/arrb/2024/v39i102136.

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Aim: Litsea glutinosa is a multipurpose, fast-growing tree widely exploited due to its multipurpose utilisation. Species reported low seed viability, hence generally propagated through vegetative methods. We studied the maturity indices of fruits and seeds to determine the optimal collection stage. Studied the effect of different growing substrates and Gibberellic acid (GA3) treatment on the germination percent (GP), mean germination time (MGT), germination value (GV), peak value (PV), and germination index (GI). Study Design: Study was conducted at Forest Tree Seed Laboratory, ICFRE-FRI. The

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Cezar Tannure Faria, Julio, Caius Ribeiro-Kumara, Alana Chocorosqui Fernandes, Olívia Alvina Oliveira Tonetti, and Lucas Amaral de Melo. "Physiological quality of Moquiniastrum polymorphum seeds processed with a general seed blower." Advances in Forestry Science 9, no. 4 (2022): 1903–11. http://dx.doi.org/10.34062/afs.v9i4.11950.

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This study evaluates the physiological quality of Moquiniastrum polymorphum seeds, processed by a General seed blower, based on their germinability at different temperatures and on the imbibition curve, aiming to support future studies of M. polymorphum seeds processed by a General seed blower. Seeds were characterized regarding moisture, purity, germinability and thousand seed weight. The experiment was carried out in a completely randomized design (CRD). To characterize the triphasic process of germination, the imbibition curve during seed germination was modelled using 2 samples of seeds we

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Kumar, Prabal, Kalpana Tyagi, Manish Singh, and Devendra Kumar. "Effect of Temperature, Media and Light on Germination of Prinsepia utilis Royle Seeds." Ecology, Environment and Conservation 28 (2022): 348–52. http://dx.doi.org/10.53550/eec.2022.v28i07s.057.

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Effect of temperature and media was studied on seed germination of Prinsepia utilis Royle (bhekal). Germination tests were conducted at four different temperatures viz. 5±1 o C, 15±1 o C, 25±1 o C and ambient room temperature with three germination media viz. top of germination paper (TP), between of paper (BP) and quartz sterilized sand at 90±5% relative humidity in a seed germinator for 21 days. Media and Temperature significantly affected seed traits. Seeds germinated well over wide range of temperature 15±1 o C, to ambient room. Significantly, higher germination percentage, germination val

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Martínková, A., A. Honěk, and F. Pudil. "Seed size and dormancy in Rumex obtusifolius." Plant Protection Science 35, No. 3 (1999): 103–7. http://dx.doi.org/10.17221/9707-pps.

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We tested the hypothesis, suggested by literature data, that in Rumex obtusifolius L. the germination of matured seeds harvested from dry standing shoots and achene morphology are correlated. In these seed materials the level of germination is determined by the incidence of primary seed dormancy. The regression of the percentage of germinating seeds on achene, perianth and seed size and mass were calculated for seed materials of 30 plants. The materials in which achene morphology was investigated were selected ex post from a set of seed materials of 241 plants to cover the range of variation o

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Xia, Qiong, Marine Saux, Maharajah Ponnaiah, et al. "One Way to Achieve Germination: Common Molecular Mechanism Induced by Ethylene and After-Ripening in Sunflower Seeds." International Journal of Molecular Sciences 19, no. 8 (2018): 2464. http://dx.doi.org/10.3390/ijms19082464.

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Dormancy is an adaptive trait that blocks seed germination until the environmental conditions become favorable for subsequent vegetative plant growth. Seed dormancy is defined as the inability to germinate in favorable conditions. Dormancy is alleviated during after-ripening, a dry storage period, during which dormant (D) seeds unable to germinate become non-dormant (ND), able to germinate in a wide range of environmental conditions. The treatment of dormant seeds with ethylene (D/ET) promotes seed germination, and abscisic acid (ABA) treatment reduces non-dormant (ND/ABA) seed germination in

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Nosratti, Iraj, Samira Soltanabadi, Saeid J. Honarmand, and Bhagirath S. Chauhan. "Environmental factors affect seed germination and seedling emergence of invasive Centaurea balsamita." Crop and Pasture Science 68, no. 6 (2017): 583. http://dx.doi.org/10.1071/cp17183.

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Centaurea balsamita is a problematic and invasive weed of agricultural fields in western Iran. This study was conducted to determine the eﬀect of different environmental factors on germination and seedling emergence of this weed species. Results revealed that seed germination occurred over a wide range of temperatures (from 5°C to 35°C) with the highest germination at 25°C. Seed germination of C. balsamita was similar between light and dark conditions. Germination decreased with increased in water stress levels, but some seeds were capable of germinating at –1.4 MPa osmotic potential. Seed ger

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Tognacca, Rocío Soledad, Karin Ljung, and Javier Francisco Botto. "Unveiling Molecular Signatures in Light-Induced Seed Germination: Insights from PIN3, PIN7, and AUX1 in Arabidopsis thaliana." Plants 13, no. 3 (2024): 408. http://dx.doi.org/10.3390/plants13030408.

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Light provides seeds with information that is essential for the adjustment of their germination to the conditions that are most favorable for the successful establishment of the future seedling. The promotion of germination depends mainly on environmental factors, like temperature and light, as well as internal factors associated with the hormonal balance between gibberellins (GA) and abscisic acid (ABA), although other hormones such as auxins may act secondarily. While transcriptomic studies of light-germinating Arabidopsis thaliana seeds suggest that auxins and auxin transporters are necessa

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MURUGESAN, P., G. RAVICHANDRAN, and M. SHAREEF. "Seed germination and ultra structural changes in oil palm (Elaeis guineensis) hybrid seed influenced by heat treatments." Indian Journal of Agricultural Sciences 85, no. 11 (2015): 1419–23. http://dx.doi.org/10.56093/ijas.v85i11.53668.

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Seed dormancy in oil palm (Elaeis guineensis Jacq.) is considered as one of the major causes for low and erratic germination. Oil palm hybrid seeds (dura × pisifera) were subjected to heat treatment for 0, 10, 20, 30, 40, 50, 60, 70, 80 and 90 days in a heating room at 39 + 1ºC and germination response, ultrastructural changes in embryo, endosperm and operculum structures were observed. The results revealed that seed heating for 50, 60 and 70 days and incubation in germination room (25 to 27 ºC) resulted in germination of 90.4, 93.6 and 94.8%, respectively. Heating of seeds for 0, 10 and 20 da

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