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Journal articles on the topic 'Seedling weight'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Elliott, R. H., L. W. Mann, and O. O. Olfert. "Effects of seed size and seed weight on seedling establishment, seedling vigour and tolerance of summer turnip rape (Brassica rapa) to flea beetles, Phyllotreta spp." Canadian Journal of Plant Science 87, no. 2 (2007): 385–93. http://dx.doi.org/10.4141/p06-166.

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A 3-yr study was conducted on three synthetic Brassica rapa L. cultivars to determine the effects of seed size and seed weight on seedling establishment, seedling growth and susceptibility to feeding damage by flea beetles, Phyllotreta spp. (Coleoptera: Chrysomelidae). Seed lots of AC Boreal, Fairview and Hysyn 110 were sieved to obtain small, medium and large seeds (1.4–1.6, 1.6–1.8 and 1.8–2.0 mm, respectively). In the laboratory, seedlings grown from large seeds had the largest cotyledons, highest shoot dry weight and highest biomass. Shoot weights increased as seed size increased. Sized se

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2

Ekamawanti, Hanna Artuti, Lenawati Simanjuntak, and Abdurrani Muin. "Assessment of the Physical Quality of Eucalyptus pellita Seedlings from Shoot Cutting by Age Level." Jurnal Sylva Lestari 9, no. 2 (2021): 280. http://dx.doi.org/10.23960/jsl29280-290.

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The criteria for target seedling of Eucalyptus pellita F. Muell are at least 90days old, with consequences for the length of stay of the seedlings in the nursery. This study must assess the suitability as a target seedling first if it wants to plant the seedlings under 90days old in the field. The research aimed to evaluate and obtain the regression equation for the seedling’s age with the seedling’s morphological characters. The shoot seedlings cuttings aged 45, 60, 75, and 90 days after planting in the cocopeat growing medium were assessed. The study was used a survey method with a purposive

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3

Đokić, Dragoslav, Goran Todorović, Marijenka Tabaković, et al. "Influence of maize hybrids and seed size after processing on the physical characteristics of the seeds, germination and races growth." Journal on Processing and Energy in Agriculture 26, no. 3-4 (2022): 111–14. http://dx.doi.org/10.5937/jpea26-41639.

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In these studies, the physical and physiological seed properties and seedling's vigour properties in five ZP maize hybrids (ZP1, ZP2, ZP3, ZP4 and ZP5) were investigated. Hybrid seed was divided into small (SF) and large fractions (LF) The hybrid combination and seed size did not significantly (p ≥ 0.05) affect seed germination. Width, thickness, length, seed weight, dead seeds, abnormal seedling, stem and root growth and fresh seedling weight were significantly influenced by hybrid and seed fraction LF produced higher stems by 1.18 cm, longer roots by 2.94 cm and higher seedling weight by 0.0

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4

South, David B. "Needle-Clipping Longleaf Pine and Top-Pruning Loblolly Pine in Bareroot Nurseries." Southern Journal of Applied Forestry 22, no. 4 (1998): 235–40. http://dx.doi.org/10.1093/sjaf/22.4.235.

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Abstract Studies have shown that clipping needles of longleaf pine before outplanting can increase average seedling survival by 13 percentage points. Under some situations, the increase in survival might be due to a reduction in transpiration. For loblolly pine, top-pruning in the nursery might increase average survival by 6 percentage points. Benefits of pruning appear greater when seedlings experience stress after planting and when nonpruned seedlings have low root weight ratios (root dry weight/total seedling dry weight). On some droughty sites, a seedling with a 0.3 root weight ratio might

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5

Concibido, Vergel C. "A SEED SELECTION SYSTEM FOR VIGOROUS TRUE POTATO SEEDS." HortScience 25, no. 4 (1990): 400f—400. http://dx.doi.org/10.21273/hortsci.25.4.400f.

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In developing countries, the use of True Potato Seed (TPS) technology offers some potential economic and biological advantages compared to using seed tubers. One problem with using TPS technology is the lack of seedling vigor, poor germination and non-uniformity of seedlings derived from TPS. Open-pollinated true seeds were divided into three classes based on differences in embryo morphology. Highly significant differences were observed among these seed classes for 100-seed weights, percent germination, rate of germination, 10-seedling weights and percent seedlings with leaves unfurled, ten da

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6

Dufault, Robert J. "Relationship among Nitrogen, Phosphorus, and Potassium Fertility Regimes on Celery Transplant Growth." HortScience 20, no. 6 (1985): 1104–6. http://dx.doi.org/10.21273/hortsci.20.6.1104.

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Abstract ‘Utah 52-70R’ celery (Apium graveolens L.) seedlings were fertilized weekly with solutions containing N, P, and Κ to determine the nutrient needs required to produce high quality transplants. As Ν rate increased from 10 to 250 ppm, shoot number, seedling diameter and height, leaf area/seedling, shoot and root dry weight/seedling, and dry weight/shoot increased in 52-day-old seedlings. As P rate increased from 5 to 125 ppm, seedling diameter, height, shoot dry weight/shoot, and leaf area increased, but root dry weight and shoot number were not affected. Nitrogen interacted with P for a

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7

Soplanit, A., M. K. Rumbarar, and P. Beding. "Effect of sucker weight and seedling site on the growth of sago seedlings (Metroxylon sago Rottb.) in Papua." IOP Conference Series: Earth and Environmental Science 924, no. 1 (2021): 012085. http://dx.doi.org/10.1088/1755-1315/924/1/012085.

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Abstract This study aims to obtain sucker weight and appropriate seedling site as a source of sago seeds by using seedling techniques in polybags to improve seed quality on sago cultivation. The experiment used a factorial design arranged in a randomized block design with three replications. Factor A, namely sucker weight, consisted of <999 g, 1000-1499 g, 1500-1999 g and > 2000 g. Factor B is the seedling site, consisting of laying seeds in the field, greenhouse and paranet of 60%. The results of the study showed that there was no interaction between the sucker weight combined with the

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8

Samuelson, Lisa J., and John R. Seiler. "Interactive Role of Elevated CO2, Nutrient Limitations, and Water Stress in the Growth Responses of Red Spruce Seedlings." Forest Science 39, no. 2 (1993): 348–58. http://dx.doi.org/10.1093/forestscience/39.2.348.

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Abstract Red spruce (Picea rubens Sarg.) seedlings were grown from seed for 5 mo in ambient (362 ppm) or elevated (711 ppm) CO2 to determine the potential effect of an increase in global CO2 concentration on seedling growth and establishment. CO2 exposure treatments were crossed with two levels of soil fertility and water stress treatments to determine if seedling dry weight, size, and fixed growth responses to elevated CO2 depended on nutrient and water supply. Seedling dry weight and size responses to elevated CO2 at 5 mo did not depend on nutrient and water supply. Seedlings grown in both s

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9

Svenson, Sven E. "Shading and DCPTA Interactively Influence Shoot Growth of Hypoestes." HortScience 30, no. 4 (1995): 854D—854. http://dx.doi.org/10.21273/hortsci.30.4.854d.

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The objective of this study was to determine if shading and DCPTA application interactively influence seedling emergence and shoot growth of Hypoestes phyllostachya Bak. seedlings. Hypoestes `Carmine Red' seeds were soaked for 6 h in distilled water, and then soaked 6 h in solutions containing' 10 mg DCPTA/liter (30 mM) and 0.1% Tween-80, 0.1% Tween-80, or distilled water. Date of seedling emergence was recorded after sowing (0.5 cm) in 9-cm (460 ml) pots filled with 440 ml of a 5 pine bark: 4 Florida sedge peat: 1 sand medium. Forty pots from each of the three seed-soak treatments were grown

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10

Wurr, D. C. E., and Jane R. Fellows. "The influence of sowing depth and seed press wheel weighting on seedling emergence of crisp lettuce." Journal of Agricultural Science 104, no. 3 (1985): 631–36. http://dx.doi.org/10.1017/s0021859600044415.

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SummaryThe effects on emergence and growth of crisp lettuce seedlings as a result of sowing seeds at different depths and pressing them into the furrow bottom with a weighted seed press wheel were examined in three similar experiments in 1982, 1983 and 1984. Sowing depth had a considerable effect on percentage seedling emergence and the spread of emergence times but the pattern of response varied from year to year and appeared to be related to differences in soil moisture content. The most uniform emergence and the highest level of emergence were achieved by sowing shallowly (< 10 mm) with

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11

Çatıkkaş, Elif. "The Effect of Priming with Vermicompost on the Germination and Emergence Performance of Green Onion (Allium cepa) and Spinach (Spinacia oleracea) Seeds." Türler ve Habitatlar 6, no. 1 (2025): 30–40. https://doi.org/10.53803/turvehab.1678692.

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This study aimed to evaluate the effects of vermicompost (VC) priming at various concentrations on emergence rate and percentage, and seedling quality parameters in green onion (Allium cepa) and spinach (Spinacia oleracea) seeds. Seeds used as experimental material were subjected to priming treatments in vermicompost solutions prepared at concentrations of 0%, 2%, 5%, 10%, and 20%, and incubated for 18 hours at 20°C under dark conditions. Following priming, seedlings were cultivated in a climate-controlled chamber at 23°C for 20 days. Subsequently, shoot fresh and dry weights, root fresh and d

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12

Sykes, SR. "Effects of seedling age and size on chloride accumulation by juvenile citrus seedlings treated with sodium chloride under glasshouse conditions." Australian Journal of Experimental Agriculture 25, no. 4 (1985): 943. http://dx.doi.org/10.1071/ea9850943.

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Chloride accumulation by juvenile citrus seedlings treated with sodium chloride for 56 days, using either nutrient solution culture (50 mM NaCl) or pot culture (75 mM NaCl) techniques under glasshouse conditions, was investigated in relation to seedling age. Ranking of cultivars on the basis of leaf chloride concentrations varied according to the age of seedlings examined. Leaf chloride concentrations of 6-, 5-, 4- and 3-month-old seedlings of eight cultivars examined in solution culture decreased with seedling age and were negatively correlated with seedling dry weight within some cultivars.

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13

Ayan, Sezgin, Esra Nurten Yer Çelik, Orhan Gülseven, Batın Mehmet Yer, and Muhammed Eskiömer. "Effects of nanoparticle applications on seedling survival and morphological characteristics in Scots pine afforestation." BioResources 18, no. 4 (2023): 8557–72. http://dx.doi.org/10.15376/biores.18.4.8557-8572.

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This study was conducted in the afforestation area, using bare-root 2+0-year-old Scots pine seedlings from Kastamonu. The study aimed to determine the impact of nanoparticle (NP) applications on seedling morphological characteristics and seedling survival success. Three different concentrations (low, medium, high) and four different nanoparticle types [Fe₃O₄, CuO, ZnO, TiO2] were applied to the plant root-dipping method in the study. The effects of NP treatments on seedling height (SH), root collar diameter (RCD), stem fresh weight (SFW), root new weight (RFW), seedling fresh weight (SEFW), ro

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14

Durr, C., and J. Boiffin. "Sugarbeet seedling growth from germination to first leaf stage." Journal of Agricultural Science 124, no. 3 (1995): 427–35. http://dx.doi.org/10.1017/s002185960007338x.

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SUMMARYThe growth of sugarbeet (Beta vulgaris L.) seedlings was investigated under laboratory conditions in 1990 and 1991. Three phases were identified during heterotrophic growth in the dark, based on the changes in dry weight, carbon and nitrogen contents. The perispermic reserves were first transferred to the young seedling. All the components of the seedling (cotyledons, hypocotyl, radicle) began to elongate and their dry weights increased. The seedling separated from the seed at the end of this first period, 4 days after imbibition had started at 20 °C. During the second period, there was

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15

Struve, Daniel, Petra Sternberg, Nick Drunasky, Kurt Bresko, and Rico Gonzalez. "Growth and Water Use Characteristics of Six Eastern North American Oak (Quercus) Species and the Implications for Urban Forestry." Arboriculture & Urban Forestry 32, no. 5 (2006): 202–13. http://dx.doi.org/10.48044/jauf.2006.026.

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Seedling growth and water use of six North American oak species were studied in a series of four experiments to determine inter- and intraspecies water use characteristics. Xeric-site adapted species (chestnut oak, Q. prinus [L.] and black oak, Q. velutina [Lamb.]) had slower growth (height and dry weight accumulation and lower shoot:root ratios) than mesic-site adapted species (bur oak, Quercus macrocarpus [Michx.]; pin oak, Q. palustris [Muenchh.], northern red oak, Q. rubra [L]; and Shumard oak, Q. shumardii [Buckl.]). Principal component analysis (a statistical technique used to identify c

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16

Singh, Nidhi, A. Saxena, and R. Singh. "Growth responses of Jatropha Curcas seedlings under different soil mixtures, fertilizer doses, irrigation regimes and sodicity levels." Journal of Non-Timber Forest Products 17, no. 2 (2010): 163–71. http://dx.doi.org/10.54207/bsmps2000-2010-05mv72.

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The present study analyses the growth responses of Jatropha curcas seedlings under different soil mixtures, fertilizer doses, irrigation frequency and soil sodicity levels. Among all the soil mixtures, seedlings of J. curcas indicated higher growth, dry weight and quality index in the mixture of soil, sand and FYM in 1:2: 2 and 1: 1: 2 ratios. Further, increasing FYM in all the combinations of soil mixture increased the seedling growth. However, increase of sand in the soil mixture beyond 1: 2: 2 ratios of soil, sand and FYM did not improve the seedling growth. The application of NPK fertilize

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17

Heinrich, PA, and JW Patrick. "Phosphorus Acquisition in the Soil-Root System of Eucalyptus pilularis Smith Seedlings. II the Effect of Ectomycorrhizas on Seedling Phosphorus and Dry Weight Acquisition." Australian Journal of Botany 34, no. 4 (1986): 445. http://dx.doi.org/10.1071/bt9860445.

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Ectomycorrhizas were visible on Eucalyptus pilularis Smith seedling root systems 30 days after sowing when seedlings were grown under glasshouse conditions in a severely phosphorus-deficient A1 horizon soil collected from a study area in the Myall Lakes National Park, N.S.W. The types of ectomycorrhizas were similar to those observed on seedlings collected from the study area. Black ectomycorrhizas were the initial and dominant symbiont on seedlings until at least 6 months after sowing. The ectomycorrhizal component of the A1 horizon soil could not be eliminated by partial sterilisation of the

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18

Jefferson, P., and R. Muri. "Competition, light quality and seedling growth of Russian wildrye grass (Psathyrostachys juncea)." Acta Agronomica Hungarica 55, no. 1 (2007): 49–60. http://dx.doi.org/10.1556/aagr.55.2007.1.6.

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The low seedling vigour of Russian wildrye grass ( Psathyrostachys juncea ) (RWR) limits its use. Shading from durum wheat ( Triticum turgidum ) reduced RWR leaf number, tiller number, leaf area and seedling dry weight in a growth room experiment. Treatments with similar shading differed in tiller number and dry weight, which suggested that light quality may have also contributed to these responses. In a second growth room experiment, light intensity (PAR) and red:far-red light ratio (670:730 nm) were altered by coloured plastic filters suspended above seedlings of Russian wildrye, crested whe

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19

Niraula, Nisha, and Anil Timilsina. "Effects of Seeding Density on Growth Attributes of Broadleaf Mustard in Nursery Bed." International Journal of Applied Sciences and Biotechnology 8, no. 1 (2020): 65–70. http://dx.doi.org/10.3126/ijasbt.v8i1.28257.

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The productivity of crops is highly affected by the seedling quality, which is governed by seeding density in the nursery. So, an experiment was conducted to explore the effect of seedling spacing in the growth attributes of Broad Leaf Mustard cv. “Marpha Chauda Paate” at IAAS, Lamjung Campus, during Oct 2018. Four spacing treatments viz 0.5 cm × 1 cm, 1 cm × 1 cm, 1.5 cm ×1.5 cm and 2 cm × 2 cm were arranged in RCB Design with 5 replications. Observation of seedling height, leaf area, leaf number, shoot & root fresh weights, shoot dry matter, and dry matter percentage from twenty-three da

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20

Thompson, T. E., and L. J. Grauke. "Pecan Tree Growth and Precocity." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 63–66. http://dx.doi.org/10.21273/jashs.128.1.0063.

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Precocity of pecan [Carya illinoinensis (Wangenh.) C. Koch] seedlings (year of first fruit production) was studied in relation to original seed measurements (nut weight, buoyancy, volume, and density) and in relation to growth index (GI) measurements of seedling trees for 4 years. A total of 2,071 pecan seedlings, representing nine controlled-cross families, were studied. Original seed measurements were not related to precocity of resultant seedling trees; but seed weight, buoyancy, and volume were significantly correlated with seedling growth rates. Nut density was negatively related to growt

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Thompson, T. E., and L. J. Grauke. "Pecan Tree Growth and Precocity." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 63–66. https://doi.org/10.21273/jashs.128.1.63.

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Precocity of pecan [Carya illinoinensis (Wangenh.) C. Koch] seedlings (year of first fruit production) was studied in relation to original seed measurements (nut weight, buoyancy, volume, and density) and in relation to growth index (GI) measurements of seedling trees for 4 years. A total of 2,071 pecan seedlings, representing nine controlled-cross families, were studied. Original seed measurements were not related to precocity of resultant seedling trees; but seed weight, buoyancy, and volume were significantly correlated with seedling growth rates. Nut density was negatively related to growt

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Marohnic, Jennifer, and Robert L. Geneve. "Container Volume and Height Affect Shoot and Root Development in Marigold Seedlings." HortScience 30, no. 4 (1995): 868B—868. http://dx.doi.org/10.21273/hortsci.30.4.868b.

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Marigold seedlings were grown in four containers that differed in both volume and shape. Seedlings grown in 1.5-gal containers showed the greatest potential for shoot and root development 20 days after sowing. These seedlings had greater leaf area, shoot and root dry weight, and total root number and length compared to seedlings grown in 406 plug trays, 72-cell packs, or 6-inch containers. There was a positive correlation (r2 = 0.81) between cell volume and seedling growth as well as a positive correlation (r2 = 0.89) between container height with seedling growth. An attempt was made to separa

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23

Solino, Antônio Jussiê da Silva, Juliana Santos Batista de Oliveira, Maycon Schmitt, Jéssica Brasau da Silva, and Kátia Regina Freitas Schwan-Estrada. "Common bean seed germination and seedling emergence under inoculation with biostimulators." Scientia Agraria Paranaensis 19, no. 2 (2020): 168–74. http://dx.doi.org/10.18188/sap.v19i2.23247.

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Biostimulating microorganisms have protector effect against pathogenic agents, affect the stand formation, promote plant growth, and increase yield of agricultural crops. Thus, the objective of this work was to evaluate the seed germination and seedling emergence of different common bean cultivars as a function of treatments with Bacillus subtilis BV02 and Trichoderma asperellum BV10. Germination tests in paper rolls and sand were conducted in a completely randomized design, with a 2×4 factorial arrangement consisted of two cultivars, namely Campos Gerais (CG) and Estilo (ES), and four microor

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Singh, Megh, and Wondimagegnehu Mersie. "Metalaxyl Toxicity to Citrus with or without Herbicides." Weed Technology 7, no. 2 (1993): 511–14. http://dx.doi.org/10.1017/s0890037x00027962.

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The response of potted ‘Cleopatra’ mandarin citrus seedlings to metalaxyl applied as a mixture with metolachlor, simazine, or bromacil, or as a sequential application after the herbicides was investigated under screen house conditions. The soils were drenched with herbicides at 2.5 ppmw (mg kg−1 soil dry wt basis) in tank-mixes with metalaxyl or metalaxyl was applied as a soil drench at 5, 50, and 250 ppmw 1, 2, 3, and 4 wk after herbicide application. Citrus seedling response to treatment was dependent on the presence or absence of herbicide, metalaxyl concentration, and the time following ap

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25

Johnsen, Kurt H. "Growth and ecophysiological responses of black spruce seedlings to elevated CO2 under varied water and nutrient additions." Canadian Journal of Forest Research 23, no. 6 (1993): 1033–42. http://dx.doi.org/10.1139/x93-132.

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Two controlled-environment studies examined growth and ecophysiological responses of black spruce (Piceamariana (Mill.) B.S.P.) seedlings to elevated CO2 under varied water and nutrient additions. Growth analyses were conducted followed by measurements of gas exchange, xylem pressure potential and foliar N concentrations. Growth under elevated CO2 (700 ppm) increased final seedling dry weights by 20–48% compared with seedling growth under ambient CO2 (350 ppm). Percent increases in seedling dry weight were greater under drought versus well-watered conditions and higher versus lower nutrient ad

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26

MacDonald, Joanne E., and John N. Owens. "Morphology, Physiology, Survival, and Field Performance of Containerized Coastal Douglas Fir Seedlings Given Different Dormancy-induction Regimes." HortScience 41, no. 6 (2006): 1416–20. http://dx.doi.org/10.21273/hortsci.41.6.1416.

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The effects of different dormancy-induction regimes on first-year containerized coastal Douglas fir [Pseudotsuga menziesii (Mirb.) Franco var. menziesii] seedling morphology and physiology in the nursery, as well as seedling survival and performance after one growing season in a common garden, were investigated. In early July, three dormancy-induction regimes were applied: moderate moisture stress (MS), short day (SD), and short day with moderate moisture stress (SD+MS). In early October, seedling height, root collar diameter, and shoot dry weight were unaffected by regime, but root dry weight

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27

Yan, Zhengnan, Jie Cheng, Ze Wan, Beibei Wang, Duo Lin, and Yanjie Yang. "Prediction Model of Pumpkin Rootstock Seedlings Based on Temperature and Light Responses." Agronomy 13, no. 2 (2023): 516. http://dx.doi.org/10.3390/agronomy13020516.

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Temperature and light are the key factors that affect the quality of pumpkin rootstock seedlings’ growth process. Responses to temperature and light are an important basis for optimizing the greenhouse environment. In order to determine the quantitative effects of temperature and light on the growth and development of pumpkin (Cucurbita moschata cv. RTWM6018) rootstock seedlings, relationships between temperature, light, and pumpkin rootstock seedlings growth were established using regression analysis. The results indicated that the daily average temperature had a significant negative correlat

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Mannan, Md Abdul, and Ferdousi Begum. "Genetic diversity in maize at germination and seedling stages under simulated drought conditions." Annals of Bangladesh Agriculture 27, no. 2 (2023): 19–30. http://dx.doi.org/10.3329/aba.v27i2.72515.

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Ninety seven maize (Zea mays) genotypes were evaluated for germination and early seedling characters under PEG6000 (8%) induced drought stress to identify drought tolerant genotypes. Descriptive statistics for percentage of seed germination and abnormal seedling, shoot length, root length, and shoot dry weight, root dry weight, seedling length, seedling dry weight, and vigor index revealed significant variation among the genotypes studied. The percentage of germination and abnormal seedlings varied greatly among the genotypes. The first and second principal components (PC) of PCA results accou

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Hoque, MN, MZ Islam, ANM Ibna Sina, S. Singh, and TR Budha. "Effect of Light-Emitting Diodes on Different Growth Stages of Rice." Journal of Environmental Science and Natural Resources 13, no. 1-2 (2022): 56–62. http://dx.doi.org/10.3329/jesnr.v13i1-2.60689.

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Effect of red and blue light on seed germination and seedling growth were studied in rice (Oryza sativa L.). Rice seeds were germinated in dark (control) and two types of light emitting-diodes (LED): red and green in the laboratory. The photoperiod of 6 h light and 18 h dark for LEDs treatment and 24h dark treatments with 24/18 ± 2 °C day/night temperature and 78± 2 % relative humidity were maintained in the growth room. Seed germination percentage under red light increased significantly when compared with the control; however, in blue light, germination percent decreased with little differenc

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Kurdi, Rozheen H. Shabaan, and Sulaiman M. Kako Al-zebari. "Effect of Growth Regulators on Seedlings Growth of Apricot (prunus Armeniaca L.)." Journal of duhok university 25, no. 2 (2022): 170–79. http://dx.doi.org/10.26682/ajuod.2022.25.2.15.

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This study was conducted during the growing season of 2021 and 2022 in horticulture station located at Akre city center Duhok Iraqi Kurdistan region, the study was aimed to investigate the effect of growth regulators on seedling growth of apricot and determined the best concentration of Gibberellin, Benzyl adenine and Kinetin to improve vegetative growth of seedling of apricot . so it consisted of three concentration of GA3 (0, 250 and 500 mg.L-1), BA (0,150 and 300 mg.L-1), KIN (0,150 and 300 mg.L-1) on some vegetative growth characteristics of apricot seedlings (Prunus armeniaca L.).The best

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Ritchie, Gary A. "A rapid method for detecting cold injury in conifer seedling root systems." Canadian Journal of Forest Research 20, no. 1 (1990): 26–30. http://dx.doi.org/10.1139/x90-004.

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A method is described for rapidly determining the extent of cold injury to Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) seedling root systems. It is based upon pressure:volume theory but short-cuts the tedious pressure:volume method. Injured root systems were brought to full hydration, then weighed and placed into a pressure chamber. A pressure of 1.5 MPa was applied for a 5-min period, then the root system was removed from the chamber and reweighed. The percent weight loss was then calculated. Percent weight loss was closely related to degree of low temperature exposure in Douglas-fir se

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Bachand, George D., John D. Castello, Michail Schaedle, Stephen V. Stehman, and William H. Livingston. "Effects of tomato mosaic Tobamovirus infection on red spruce seedlings." Canadian Journal of Forest Research 26, no. 6 (1996): 973–81. http://dx.doi.org/10.1139/x26-107.

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Height, weight, root volume, shoot length, needle length and weight, and total chlorophyll content were measured for both control and tomato mosaic Tobamovirus (ToMV)-inoculated red spruce (Picearubens Sarg.) seedlings in each of five, 3-month growth periods. Mean bud-break rating was determined for each seedling in growth period 5. In January 1995 the freezing tolerance of control and ToMV-infected seedlings was determined. Approximately 85% of the inoculated seedlings became infected with ToMV, as determined by enzyme-linked immunosorbent assay of young root tissue. Reduction in seedling hei

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33

Zhang, Haoyu, Chen Miao, Cuifang Zhu, et al. "Effects of Different Cultivation Facilities and Planting Densities on Tomato Seedling Production." HortScience 60, no. 7 (2025): 1065–74. https://doi.org/10.21273/hortsci18568-25.

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Plant factories with precise control systems create a stable microenvironment, making them essential for cultivating stronger, more uniform seedlings needed for high-quality production. Among the various factors influencing seedling quality, planting density plays a critical role as a key management practice. To explore this relationship, the combined effects of cultivation facilities and planting densities on tomato (Solanum lycopersicum L.) seedlings were investigated in this study. Two facilities were compared: a plant factory with artificial light (PFAL) and a glasshouse with natural light

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Nordin, Nurliyana, Mohd Izuan Effendi Halmi, Pitipong Thobunluepop, et al. "Effect of Seed Germination and Early Seedling Growth Response on Two Rice (Oryza sativa) Varieties Supplied with Different Types and Concentrations of Wastewater in Thailand." Journal of Biochemistry, Microbiology and Biotechnology 11, no. 2 (2023): 24–34. http://dx.doi.org/10.54987/jobimb.v11i2.848.

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With increasing concerns over water scarcity, wastewater reclamation for agricultural irrigation has gained attention. However, the use of wastewater can have both positive and negative effects on crop growth. Seed germination and early seedling growth tests are considered to accurately represent crop growth population. This study aimed to evaluate the effect of different types and concentrations of wastewater on rice seed germination and early seedling growth. Two rice varieties, SIRAJ279 and MR219, were grown in wastewater from shrimp culture, domestic sources, and cement factories at five c

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Riitters, Kurt H., and David A. Perry. "Early Genetic Evaluation of Open-Pollinated Douglas-Fir Families." Forest Science 33, no. 2 (1987): 577–82. http://dx.doi.org/10.1093/forestscience/33.2.577.

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Abstract In a test of early genetic evaluation of the growth potential of 14 families of open-pollinated Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco), measures of growth and phenology of seedlings grown in a coldframe were correlated with height of saplings in evaluation plantations at 9, 12, and 15 years. Fifteen-year height was most strongly correlated with measures of seedling budset (r = -0.57), height (r = 0.54), and branchiness (r = -0.53). Seedling growth and phenology values generally were poorly correlated with seed weight; however, seedling-sapling correlations were related to

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Djara, Febi Tade, Mamie E. Pellondo'u, and Wilhelmina Seran. "RESPON SEMAI JABON MERAH (Anthocephalus macrophyllus (Roxb)) TERHADAP PEMBERIAN PUPUK ORGANIK LIMBAH KULIT BUAH KAKAO DITEMPAT PERSEMAIAN PERMANEN FATUKOA, NAIONI, KECAMATAN MAULAFA, KOTA KUPANG - NUSA TENGGARA TIMUR." Wana Lestari 4, no. 01 (2022): 072–82. http://dx.doi.org/10.35508/wanalestari.v6i01.8029.

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Red Jabon (Anthocephalus macrophyllus (Roxb)) is one of the forestry plants that has fast growing properties and is a native plant species of Indonesia. Jabon Merah plants need nutrients in their growth. This study aims to determine the response of red jabon seedlings (Anthocephalus macrophyllus (Roxb) to the application of organic fertilizer for cocoa pod waste. The research was conducted in Fatukoa permanent nursery from December 2020 to March 2021. The method used in this study was a completely randomized design method ( RAL) with one test with four treatments with five replications consist

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Bryan, James A., and John R. Seiler. "Accelerating Fraser Fir Seedling Growth with Benzylaminopurine Sprays." HortScience 26, no. 4 (1991): 389–90. http://dx.doi.org/10.21273/hortsci.26.4.389.

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Foliar application of the synthetic growth regulator BA was evaluated for increasing the duration and extent of Fraser fir [Abies fraseri (Pursh.) Poir.] seedling growth. Aqueous solutions of 0, 222, or 444 μm BA (0, 50, or 100 ppm) were sprayed on the shoots of Fraser fir seedlings biweekly from 18 until 38 weeks after planting. Foliar sprays of 444 μm BA increased seedling height 19%, increased shoot weight 57%, reduced root weight 22%, and increased total weight 27%. Apical meristem activity was stimulated and the long periods of dormancy typical of Fraser fir seedlings were avoided. Chemic

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Messenger, B. J., J. A. Menge, and E. Pond. "Effects of Gypsum Soil Amendments on Avocado Growth, Soil Drainage, and Resistance to Phytophthora cinnamomi." Plant Disease 84, no. 6 (2000): 612–16. http://dx.doi.org/10.1094/pdis.2000.84.6.612.

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Infection of avocado seedlings by Phytophthora cinnamomi in infested soil was decreased by 71% by the addition of gypsum soil amendments in replicated greenhouse experiments. Root weights and total seedling weights were not significantly increased by gypsum amendments compared with unamended soil; however, the significant reduction in total seedling weight and root weight caused by P. cinnamomi was largely eliminated by the addition of gypsum. Fresh organic matter amendments alone did not significantly affect the total fresh weight or root weight of avocado seedlings. Root fresh weight was dec

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Sword Sayer, Mary Anne, James D. Haywood, and Shi-Jean Susana Sung. "Cavity Size and Copper Root Pruning Affect Production and Establishment of Container-Grown Longleaf Pine Seedlings." Forest Science 55, no. 5 (2009): 377–89. http://dx.doi.org/10.1093/forestscience/55.5.377.

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Abstract With six container types, we tested the effects of cavity size (i.e., 60, 93, and 170 ml) and copper root pruning on the root system development of longleaf pine (Pinus palustris Mill.) seedlings grown in a greenhouse. We then evaluated root egress during a root growth potential test and assessed seedling morphology and root system development 1 year after planting in central Louisiana, USA. Seedling size was increased by copper root pruning in small cavities but was unaffected by this treatment in larger cavities. Before planting, copper root pruning increased taproot and secondary l

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Gilman, Edward F., Ann Stodola, and Michael D. Marshall. "Production Techniques for Highrise™ and Seedling Live Oak." Journal of Environmental Horticulture 20, no. 2 (2002): 127–32. http://dx.doi.org/10.24266/0738-2898-20.2.127.

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Abstract Cutting propagated Quercus virginiana ‘QVTIA’ Highrise™ PP #11219 and seedling live oak required the same amount of time to prune to a dominant leader in the nursery. Highrise™ live oaks were more uniform in caliper, height and root ball characteristics than the seedling crop. Finished seedling trees had larger caliper than cutting propagated Highrise™ but height was similar. Root pruning horizontal roots alone or in combination with placing root pruning fabric under the liner at planting reduced dry weight of roots in the root ball by reducing large-diameter root weight and increasin

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Mellish and B. Coulman, A. "Seed weight, emergence and seedling vigour of four tetraploid crested wheatgrass populations." Canadian Journal of Plant Science 83, no. 1 (2003): 69–70. http://dx.doi.org/10.4141/p01-119.

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This study compared the seed weight, and seedling emergence vigor of four tetraploid crested wheatgrass populations. S9240H, a population selected for seed size, had larger seeds than the cultivars Kirk and CD-II. Heavy seeds had greater emergence and heavier seedlings than light seeds, but there were no differences in these characters among the four populations. Key words: Crested wheatgrass, seed size, seedling vigour

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Al-Din, N. S., and A. H. Alalaf. "Response of Seedlings of Two Olive Varieties to the Addition of Chemical and Biological Fertilization." IOP Conference Series: Earth and Environmental Science 1449, no. 1 (2025): 012137. https://doi.org/10.1088/1755-1315/1449/1/012137.

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Abstract Nursery owners suffer from slow growth of olive seedlings, and thus production costs increase until they are ready for planting in a sustainable orchard. Therefore, this study aimed to add biological and chemical fertilization to seedlings of two types of olives for the purpose of improving their growth and mineral content. The experiment included two factors, the first nine fertilizer treatments containing 15gm. Seedling−1NPK (20:20:20), 10g.Seedling−1NPK+5g.Seedling−1 Biofertilizer Gorabac G, 5g.Seedling−1NPK+10g.Seedling−1 Biofertilizer Gorabac G, 2.5g.Seedling−1NPK +15g. Seedlings

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Sorensen, Frank C., and Robert K. Campbell. "Seed weight–seedling size correlation in coastal Douglas-fir: genetic and environmental components." Canadian Journal of Forest Research 23, no. 2 (1993): 275–85. http://dx.doi.org/10.1139/x93-037.

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The effect of seed weight on nursery seedling height was analyzed in two experiments. In expt. 1, 16 seeds per family from 111 families were individually weighed and sown in autumn. In expt. 2, a second group of 16 seeds were individually weighed and stratified and sown in spring. Four-tree noncontiguous family plots were randomly assigned to two densities in two replications in each experiment. Date of emergence and duration and rate of shoot elongation were determined over 2 years of growth. Seedlings in expt. 1 were exposed to damaging frost after emergence; some seedlings in expt. 2 suffer

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Burrows, Rhoda L., and Luther Waters. "Fall Establishment of Asparagus Using Seedling Transplants." HortScience 24, no. 4 (1989): 611–13. http://dx.doi.org/10.21273/hortsci.24.4.611.

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Abstract After the first full growing season, 9- and 11-week-old asparagus (Asparagus officinalis L.) seedlings transplanted in fall exhibited superior crown and fern characteristics relative to seedlings of the same ages transplanted in spring. Seedlings overwintered in coldframes and planted in the spring matched or exceeded growth of those transplanted the previous fall. The hybrid ‘Jersey Giant’ was superior to an improved selection of ‘Mary Washington’ for all planting dates. Correlations between seedling size at transplanting and after one season’s growth were significant for crown weigh

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Kumawat, Mukesh, and Samir E. Topno. "Effect of Different Growing Media on Seed Germination, Seedling Growth and Establishment of Papaya (Carica papaya L.) cv. Red Lady." Journal of Advances in Biology & Biotechnology 27, no. 5 (2024): 962–67. http://dx.doi.org/10.9734/jabb/2024/v27i5858.

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The study was carried out to study Effect of Different Growing Media on Seed Germination, Seedling Growth and Establishment of Papaya (Carica papaya L.) cv. Red Lady during 2023-24. They were utilized for research in order to facilitate seed germination and seedling growth on various media. The current study used a randomized block design with three replications for each of the nine treatment combinations. The characteristics of seed germination and the growth parameters of seedlings were noted.The findings demonstrated that utilizing a medium mixture consisting of soil, vermicompost, and coco

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Elliott, R. H., C. Franke, and G. F. W. Rakow. "Effects of seed size and seed weight on seedling establishment, vigour and tolerance of Argentine canola (Brassica napus) to flea beetles, Phyllotreta spp." Canadian Journal of Plant Science 88, no. 1 (2008): 207–17. http://dx.doi.org/10.4141/cjps07059.

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A 3-yr study was conducted on four Brassica napus L. cultivars to determine the effects of seed size and seed weight on the performance and tolerance of canola seedlings to feeding damage by flea beetles, Phyllotreta spp. (Coleoptera: Chrysom elidae). Seed lots of a doubled haploid cultivar Cyclone, hybrid cultivar AC H102 and two open-pollinated cultivars Profit and AC Elect were sieved to obtain small, medium, large and very large seeds (1.4–1.6, 1.6–1.8, 1.8–2.0 and 2.0–2.2 mm diameter, respectively). Under controlled environmental conditions, leaf area, shoot weight and biomass of seedling

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Goswami, Ajay Puri, Karuna Vishunavat, Chander Mohan, and Sanjeev Ravi. "Effect of seed coating, storage periods and storage containers on soybean (Glycine max (L.) Merrill) seed quality under ambient conditions." Journal of Applied and Natural Science 9, no. 1 (2017): 598–602. http://dx.doi.org/10.31018/jans.v9i1.1237.

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Soybean seed is classified as “poor storer” as it loses viability under warm and humid conditions and is invaded by storage fungi. The seed of soybean variety PS 1347, obtained from Breeder Seed Production Centre, G. B. Pant University of Agriculture and Technology, Pantnagar was used for storage study. Root length (cm), shoot length (cm), seedling fresh weight (g) and seedling dry weight (g) decreases with the increase in seed storage periods. Out of all chemical treatments, Flowable thiram @ 2.4 ml/kg (T2) and Polymer + vitavax 200 @ 2g/kg seed (T5) were found effective to maintain Seedling

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Popović, Vladan, Aleksandar Lučić, Ljubinko Rakonjac, and Ivona Kerkez-Janković. "Analysis of morphological quality parameters of oneyear old bare root sessile oak (Quercus petraea (Matt.) Liebl) seedlings." Sustainable Forestry: Collection, no. 79-80 (2019): 23–31. http://dx.doi.org/10.5937/sustfor1979023p.

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The paper analyzes the morphological quality parameters of one-year-old sessile oak (Quercus petraea (Matt.) Liebl) seedlings and their interrelations. Based on the performed analyzes, it was determined which of the measured morphological parameters, with minimal time and resources spent, gives the most accurate estimate of the quality of one-year old seedlings. For the conducted research, seedlings were produced in the nursery of the Institute of Forestry in Belgrade, in uniform environmental conditions from seed collected in seed stand RS-2-2-qpe-22-169. The seedlings were produced in the sa

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Irfan, M., N. Abdullah, and W. La Ujiara. "Effect of different seedling weights on Kappaphycus alvarezii growth." IOP Conference Series: Earth and Environmental Science 890, no. 1 (2021): 012029. http://dx.doi.org/10.1088/1755-1315/890/1/012029.

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Abstract Seaweed K. alvarezii is one of leading commodities in aquaculture because this seaweed species produces carrageenan which has high economic value. This study aimed to determine effect of different seedling weights on the growth of seaweed K. alvarezii, and to determine which seedling weight had the best effect on seaweed growth. Planting process was carried out using longline method. Size of longline construction used was 10 m x 20 m, with a length of 20 m and a distance of 1 m between each ropes. Each rope line contained about 66 clumps of seedlings with a distance between clumps of

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Zhang, Xijuan, Kai Liu, Chuanming Yang, et al. "Detection of Quantitative Trait Loci Associated with Alkaline Tolerance Using Recombinant Inbred Line Population Derived from Longdao5 × Zhongyouzao8 at Seedling Stage." Life 14, no. 9 (2024): 1151. http://dx.doi.org/10.3390/life14091151.

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Salt–alkaline stress is one of the most stressful occurrences, causing negative effects on plant development and agricultural yield. Identifying and utilizing genes that affect alkaline tolerance is an excellent approach to accelerate breeding processes and meet the needs for remediating saline–alkaline soil. Here, we employed a mapping population of 176 recombinant inbred lines (RILs) produced from a cross between alkali-tolerant Longdao5 and alkali-sensitive Zhongyouzao8 to identify the quantitative trait loci (QTLs) determining alkali tolerance at the seedling stage. For the evaluation of a

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