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Journal articles on the topic 'Seedling Tolerance'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Cobb, B. G., D. L. Andrews, D. M. MacAlpine, J. R. Johnson, and M. C. Drew. "1001 ANOXIA TOLERANCE OF MAIZE SEEDLING ROOTS." HortScience 29, no. 5 (1994): 573a—573. http://dx.doi.org/10.21273/hortsci.29.5.573a.

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We have been examining the response of maize seedling roots to oxygen stress. Previously, we have shown that maize seedlings with primary root lengths of 10cm or greater require a pretreatment with low oxygen (hypoxia) for survival of greater than 12 hours of anoxia. During the pretreatment there is induction of mRNA and increase in enzymatic activity of alcohol dehydrogenase (ADH) and other enzymes that are necessary for alcoholic fermentation. However, we have found that younger seedlings do not need a pretreatment to survive anoxia. They appear to have high levels of ADH and other enzymes t

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2

Xu, Yunji, Xuelian Weng, Liqiu Jiang, et al. "Screening and Evaluation of Salt-Tolerant Wheat Germplasm Based on the Main Morphological Indices at the Germination and Seedling Stages." Plants 13, no. 22 (2024): 3201. http://dx.doi.org/10.3390/plants13223201.

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The successful screening and evaluation of salt-tolerant germplasm at the germination and seedling stages is of great importance for promoting the breeding of wheat varieties with salt tolerance. In this study, 70 wheat varieties bred in different regions were evaluated for salt tolerance through hydroponic exposure to different concentrations of salt. The relative water absorption, water absorption rate, dehiscence rate, germination rate, and germination index of seeds, and plant height, root length, stem diameter, and biomass of seedlings were determined at the germination and seedling stage

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3

CLOUTIER, Y., L. PELLETIER, and R. MICHAUD. "DEVELOPMENT OF A TEST FOR FREEZING TOLERANCE IN YOUNG ALFALFA SEEDLINGS." Canadian Journal of Plant Science 70, no. 1 (1990): 307–10. http://dx.doi.org/10.4141/cjps90-036.

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An experiment was conducted to study the effects of seedling age on their ability to harden, and to determine whether cultivar × seedling age interaction could be identified for frost resistance. In the present study, 6- to 24-d-old alfalfa (Medicago sativa L.) seedlings were significantly more freezing-tolerant after cold-hardening than unhardened controls. Cold-hardened seedlings of age varying from 8 to 24 d were hardier than 6-d-old seedlings. No cultivar × seedling age interaction was found. The best separation of the cultivars occurred between 18 and 24 d. These findings provide addition

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4

Ye, Nenghui, Yuxing Wang, Huihui Yu, et al. "Abscisic Acid Enhances Trehalose Content via OsTPP3 to Improve Salt Tolerance in Rice Seedlings." Plants 12, no. 14 (2023): 2665. http://dx.doi.org/10.3390/plants12142665.

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Salt stress is one of the major environmental stresses that imposes constraints to plant growth and production. Abscisic acid (ABA) has been well-proven to function as a central integrator in plant under salt stress, and trehalose (Tre) has emerged as an excellent osmolyte to induce salt tolerance. However, the interacting mechanism between ABA and Tre in rice seedlings under salt stress is still obscure. Here, we found that the application of exogenous Tre significantly promoted the salt tolerance of rice seedlings by enhancing the activities of antioxidant enzymes. In addition, the expressio

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5

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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6

Noland, Thomas L., Rongzhou Man, and Michael Irvine. "Glyphosate tolerance of eastern white cedar: Third year results." Forestry Chronicle 93, no. 02 (2017): 190–93. http://dx.doi.org/10.5558/tfc2017-025.

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Little is known about the herbicide tolerance of eastern white cedar (Thuja occidentalis L.). To determine the sensitivity of cedar seedlings to timing and concentration of herbicide applications, glyphosate was applied to 2-year-old seedlings at three concentrations (1.04, 2.07, and 4.14 acid equivalent (ae) kg ha-1) at three times (July 28, August 10 and 31), at a research site in north central Ontario. Seedling survival, growth, and biomass three years after spraying were compared with those of seedlings in manual weeding (competition/weed free via manual weeding) and control (no weeding an

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Poggi, Giovanni Maria, Simona Corneti, and Iris Aloisi. "The Quest for Reliable Drought Stress Screening in Tetraploid Wheat (Triticum turgidum spp.) Seedlings: Why MDA Quantification after Treatment with 10% PEG-6000 Falls Short." Life 14, no. 4 (2024): 517. http://dx.doi.org/10.3390/life14040517.

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Drought stress poses significant productivity challenges to wheat. Several studies suggest that lower malondialdehyde (MDA) content may be a promising trait to identify drought-tolerant wheat genotypes. However, the optimal polyethylene glycol (PEG-6000) concentration for screening seedlings for drought tolerance based on MDA quantification is not clear. The aim of this study was to verify whether a 10% (w/v) PEG-6000 concentration-induced water stress was reliable for discriminating between twenty-two drought-susceptible and drought-tolerant tetraploid wheat (Triticum turgidum spp. durum, tur

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Subramanian, M., K. Ganesan, W. W. Manuel, and T. Sundaram. "Seedling Tolerance for Dehydrating Wind." International Rice Research Newsletter 12, no. 2 (1987): 22–23. https://doi.org/10.5281/zenodo.7122611.

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This article 'Seedling Tolerance for Dehydrating Wind' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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9

Kaminski, John E., Peter H. Dernoeden, and Cale A. Bigelow. "Creeping Bentgrass Seedling Tolerance to Herbicides and Paclobutrazol." HortScience 39, no. 5 (2004): 1126–29. http://dx.doi.org/10.21273/hortsci.39.5.1126.

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The tolerance of creeping bentgrass (Agrostis stolonifera L.) seedlings to many herbicides has not been evaluated. Three field studies were conducted between fall and spring from 1998 to 2002 to assess creeping bentgrass seedling tolerance to five herbicides and paclobutrazol. The primary objectives of this investigation were to assess bentgrass tolerance to these chemicals when applied at various timings following seedling emergence, and establishment of new seedlings as influenced by potential soil residues in the spring following a fall application of the chemicals. Treatments were applied

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10

Setyawan, Bayu, Niken Puspitasari, Agung Wahyu Susilo, and Indah Anita Sari. "Rootstock Characteristics of Three Combinations of Theobroma cacao L. Crosses on Different Water Availability." Pelita Perkebunan (a Coffee and Cocoa Research Journal) 34, no. 3 (2018): 137–45. http://dx.doi.org/10.22302/iccri.jur.pelitaperkebunan.v34i3.328.

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Climate change is universal phenomena which is importantly anticipated including cocoa plantation. Drought tolerance cocoa seedling is urgently neededto develop cocoa plantation. This paper studied possible drought tolerance of cocoa seedling through crossing between female parent KKM 22 with three maleparents BAL 209, KW 641, and KW 614. Progeny test was conducted in green house based on four water availability conditions: 25, 50, 75, and 100%. Root condition was recorded as rootstock parameters of three crossings. Result showed that root characteristics varied among crossing samples studied.

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11

Rosbakh, Sergey, Vera Margreiter, and Bernardica Jelcic. "Seedlings of alpine species do not have better frost-tolerance than their lowland counterparts." Alpine Botany 130, no. 2 (2020): 179–85. http://dx.doi.org/10.1007/s00035-020-00237-4.

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Abstract In contrast to adult plants, little is known about the frost-tolerance of seedlings of alpine species, despite the fact that frost has been considered as one of the main factors limiting plant recruitment in high elevation. Here we report the results of a comparative study on seedling frost-tolerance of nine congeneric species pairs with lowland (0–900 m a.s.l.) and alpine (1800–2700 m a.s.l.) distribution. Similarly to adult alpine plants, we expected seedlings of alpine species to be more frost-tolerant than their lowland counterparts. Frost-tolerance was estimated under laboratory

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12

Yan, Hai ling, Gui Li Shi, Wen Peng Shi, et al. "Effects of Different Temperature Treatments on Seed Germination and Seedling Growth of Rorippa sylvestris." Biotechnology Journal International 27, no. 6 (2023): 34–42. http://dx.doi.org/10.9734/bji/2023/v27i6704.

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Temperature is one of the important conditions for plant growth, and an important factor affecting the establishment and spread of invasive plants. In this study, the northern perennial invasive plant (Rorippa sylvestris) was taken as an example. By comparing the seed germination rate, germination potential, germination index and vigor index, the total number of leaves, root length, root length, vigor index, leaves of seedings, seedling biomass and root- shoot ratio under different temperature treatments (15, 20, 25, 30, 35, 40℃), the subordinate function was used to compare the temperature to

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13

Zhang, Hao, Li Jiang, Mohsin Tanveer, Jinbiao Ma, Zhenyong Zhao, and Lei Wang. "Indexes of Radicle are Sensitive and Effective for Assessing Copper and Zinc Tolerance in Germinating Seeds of Suaeda salsa." Agriculture 10, no. 10 (2020): 445. http://dx.doi.org/10.3390/agriculture10100445.

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Euhalophytes, such as Suaeda salsa, are ideal candidates to remediate heavy metal-polluted saline soils. However, the metal tolerance ability of dimorphic seeds and subsequent seedlings is largely unknown. This study investigated the tolerance of S. salsa seeds to different concentrations of Cu2+ (0–300 mM) and Zn2+ (0–300 mM) during germination and seedling growth stages. Results showed that dimorphic seeds of S. salsa had high metal tolerance during germination, and even germinated under 300 mM Cu and Zn treatments. However, seedling growth was more sensitive to metal solutions and radicle g

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14

da Silva, Poliana Noemia, Vinícius Politi Duarte, Evaristo Mauro de Castro, Bruno Montoani Silva, Josiel de Jesus Santos, and Fabricio José Pereira. "Compaction of Iron Mining Tailings Impairs Seedling Emergence of Schinus terebinthifolia but Vigor Features Show Tolerance During Early Growth." Forests 16, no. 6 (2025): 950. https://doi.org/10.3390/f16060950.

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Soil compaction is a well-known harmful process for germination and seedling growth. Studies about compaction in mining tailings have been neglected despite being essential for the reforestation of impacted areas. This work evaluated the effects of compaction of iron mining tailings on the seedling emergence, early growth, and photosynthesis of Schinus terebinthifolia Raddi, a tolerant species with potential for reforestation. Experiments were implemented in a greenhouse where seeds of S. terebinthifolia were sown in iron mining tailings with four compaction treatments: (1) an uncompacted dry

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15

Hall, Kip E., Larry H. McCormick, and Larry J. Kuhns. "Black Alder Seedlings Demonstrate Tolerance to Preemergence Herbicides in Preliminary Trials1." Northern Journal of Applied Forestry 3, no. 2 (1986): 76–79. http://dx.doi.org/10.1093/njaf/3.2.76.

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Abstract Seven preemergence herbicides, atrazine, metolachlor, napropamide, oryzalin, oxadiazon, oxyfiuorfen, and simazine, were screened for phytotoxic effects on newly planted black alder seedlings. All treatments containing atrazine significantly reduced seedling survival, as did simazine treatments greater than 3.4 kg/ha. The simazine rate of 3.4 kg/ha, the napropamide rate of 26.9 kg/ha, and metolachlor rates greater than 3.4 kg/ha temporarily stunted seedling height growth early in the first growing season. Temporary stunting was also observed for the highest rates of the granular and em

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16

Abdelmalik, Abdelmalik M. "Enhanced Growth and Drought Resistance in Seedlings of Acacia tortilis due to Inoculation of Arbuscular Mycorrhiza Fungi and Bacillus subtilis." International Journal of Agriculture and Biology 26, no. 06 (2021): 750–60. http://dx.doi.org/10.17957/ijab/15.1891.

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A shade house experiment was conducted in Saudi Arabia to evaluate the impact of a mixture of three arbuscular mycorrhiza fungi (AMF) namely Funneliformis mosseae, Rhizophagus intraradices and Claroideoglomus etunicatum, a bacterium Bacillus subtilis, and their combinations on the growth and drought resistance potential of Acacia torilis seedlings under moderate and water deficit-stress. Thus, inoculants treatments (AMF, Bacillus subtilis, AMF+Bacillus, and control) and several watering intervals (1, 2, 3 and 4 weeks) were applied. Inoculation of AMF and Bacillus to A. tortilis seedlings found

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17

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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18

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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19

Rosyara, Umesh R., Amrit A. Ghimire, Sushil Subedi, and Ram C. Sharma. "Variation in south Asian wheat germplasm for seedling drought tolerance traits." Plant Genetic Resources 7, no. 1 (2009): 88–93. http://dx.doi.org/10.1017/s1479262108994247.

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Higher seedling vigour and greater coleoptile length are important for early establishment of wheat crops and subsequently higher grain yield in many dry environments. Seedling vigour includes those seed properties that determine the potential for rapid, uniform emergence and development of normal seedlings under a wide range of field conditions. Genotypes with the widely used gibberellic acid (GA)-insensitive dwarfing genes Rht-B1b and Rht-D1b have good partitioning and grain yield under optimal conditions, but may perform poorly under stressed conditions due to poor crop establishment. Breed

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20

Krishnan, Lalitha, Deepak Barua, and Mahesh Sankaran. "Dry-forest tree species with large seeds and low stem specific density show greater survival under drought." Journal of Tropical Ecology 35, no. 1 (2019): 26–33. http://dx.doi.org/10.1017/s0266467418000421.

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AbstractTree establishment in tropical dry forests is constrained by drought-related seedling mortality during early stages of recruitment. Predicted increases in the duration of growing-season droughts in the future pose a significant threat to these ecosystems that could significantly alter their vegetation structure and composition. Here, we examined drought tolerance in seedlings of seven common dry-forest tree species from the Indian subcontinent. We conducted a dry-down experiment on 3-wk-old seedlings, and asked whether the key plant functional traits, specific leaf area (SLA), leaf dry

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21

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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22

Huang, Zhenying, and Yitzchak Gutterman. "Seedling desiccation tolerance of Leymus racemosus (Poaceae) (wild rye), a perennial sand-dune grass inhabiting the Junggar Basin of Xinjiang, China." Seed Science Research 14, no. 2 (2004): 233–39. http://dx.doi.org/10.1079/ssr2004172.

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Leymus Racemosus, The Mammoth Wild Rye, Is A Rhizomatous Perennial Grass, Mainly Distributed In The Moving Or Semi-Stabilized Sand Dunes In Deserts Of The Junggar Basin In Xinjiang, China. The Revival Ability Of The Young Seedling After Periods Of Desiccation Can Be Influenced By Several Factors: (1) The Stage Of Seedling Development – The Later The Stage At Dehydration, The Longer The Root Length And The Lower Is The Percentage Of Seedlings That Survive; (2) The Length Of The Period Of Desiccation – The Longer The Period That The Seedlings Are Under Desiccation, The Lower Is The Percentage Of

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23

Pagano, Andrea, Giulia Folini, Paola Pagano, et al. "ROS Accumulation as a Hallmark of Dehydration Stress in Primed and Overprimed Medicago truncatula Seeds." Agronomy 12, no. 2 (2022): 268. http://dx.doi.org/10.3390/agronomy12020268.

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Seed priming protocols implement incomplete imbibition phases, as well as physical, chemical or biological treatments, to activate pre-germinative metabolism and stress response, thus improving germination performances, seedling establishment and stress tolerance according to agricultural productivity requirements. The dehydration phase following priming treatments represents a critical variable, since an excessively prolonged imbibition (overpriming) impairs desiccation tolerance, compromising seed viability and seedling establishment. Priming protocols generally optimize imbibition-dehydrati

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24

Tang, Lisi, Wen Li, Qikun Yu, Zongjiu Sun, and Peiying Li. "Assessing Germplasm Variation and Tolerance Thresholds of Bermudagrass (Cynodon dactylon) to Neutral and Alkaline Salt Stress in Ecological Restoration." Agronomy 14, no. 9 (2024): 2023. http://dx.doi.org/10.3390/agronomy14092023.

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Bermudagrass (Cynodon dactylon), a salt-tolerant species surviving in environments with pH up to 9.3, and it exhibits variable germination responses under salt and alkaline stress. This study evaluates the impact of neutral and alkali salts with varying pH levels on bermudagrass seed germination. Six bermudagrass germplasm accessions were analyzed using neutral (NaCl: Na2SO4 = 1:1, pH 6.12–7.14) and alkali (NaHCO3:Na2CO3 = 1:1, pH 9.62–9.90) salt treatments. Salt concentrations ranged from 0 to 250 mmol/L, with increments of 25 mmol/L. The assessed parameters included seed germination rate, ge

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25

Vergara, Georgina, and Abdelbagi Ismael. "Development and Characterization of Rice Lines Carrying both Sub1 and Anaerobic Germination Tolerance: SUB1A does not Inhibit AG [RESEARCH NOTE]." Philippine Agricultural Scientist 106, no. 3 (2023): 330–37. http://dx.doi.org/10.62550/dcd038023.

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Accelerated coleoptile elongation in flooded soils allowed seedling shoots to reach the water surface to maintain gas exchange and CO2 fixation. Rice genotypes with tolerance of flooding during germination (anaerobic germination, AG) exhibited fast coleoptile elongation as an escape mechanism. On the other hand, tolerance of complete submergence during the vegetative stage, conferred by SUB1A, involved growth retardation to conserve energy for maintenance metabolism, with resumption of growth upon de-submergence. Combining genes controlling flood tolerance at these two stages with contrasting

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Wu, Yingbao, Gaoyang Zhang, Chao Zhang, et al. "Pooled Mapping of QTLs Associated With Salt Tolerance Traits at Seedling Stage in Rice." Bangladesh Journal of Botany 53, no. 2 (2024): 405–10. http://dx.doi.org/10.3329/bjb.v53i2.74431.

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Salt stress has been identified as a vital limiting factor affecting rice output across the world. In rice, the salt tolerance nature is complicated, since it is dependent on different components and is lowly heritable. Consequently, it is a key method to breed salt-tolerant varieties for improving rice output upon salt stress. To investigate the genetic foundation for salt stress tolerance of rice seedlings (Oryza sativa L.), bulked segregant analysis coupled with whole-genome sequencing (BSA-seq) was performed in QTL mapping on the huge F2 population including totally 2,500 plants obtained t

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Bigras, Francine. "Frost Tolerance of Black Spruce Seedlings (Picea Mariana) during Budbreak." HortScience 30, no. 4 (1995): 849C—849. http://dx.doi.org/10.21273/hortsci.30.4.849c.

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Spring frosts frequently cause significant damage to conifer seedlings during bud flushing and shoot elongation in forestry nurseries. To ensure adequate protection, levels of frost sensitivity must be known during these stages of development. Eight-month-old, containerized, black spruce seedlings were submitted to freezing temperatures of 0, –4, –6, –8, and –10C for 1, 2, 3, 4, 5, and 6 h at the following stages: 1) nonswollen buds; 2) swollen buds; 3) bud scales bursting, needle tips emerging; and 4) shoot elongation, 1 to 5 cm. After the treatments, seedlings were grown for 90 days in a gre

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van der Moezel, PG, LE Watson, GVN Pearce-Pinto, and DT Bell. "The Response of Six Eucalyptus Species and Casuarina obesa to the Combined Effect of Salinity and Waterlogging." Functional Plant Biology 15, no. 3 (1988): 465. http://dx.doi.org/10.1071/pp9880465.

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Seedlings of Eucalyptus camaldulensis, E. comitae-vallis, E. kondininensis, E. lesouefii, E. platycorys, E. spathulata and Casuarina obesa were grown in a glasshouse under non-saline drained, saline drained, non-saline waterlogged, and saline waterlogged conditions for 3 months. Measurements were taken of seedling height, seedling survival and the concentration of Na, K, Ca, Mg and Cl in plant tissues. Production of specialised roots containing aerenchyma in E. camaldulensis and C. obesa enabled these species to tolerate non-saline waterlogged conditions. Saline, but freely drained conditions

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Li, Junming, Lei Liu, Yuling Bai, et al. "Seedling salt tolerance in tomato." Euphytica 178, no. 3 (2010): 403–14. http://dx.doi.org/10.1007/s10681-010-0321-x.

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Wang, Jilin, Cheng Huang, Lijuan Tang, et al. "Identification of Submergence Tolerance Loci in Dongxiang Wild Rice (DXWR) by Genetic Linkage and Transcriptome Analyses." International Journal of Molecular Sciences 26, no. 5 (2025): 1829. https://doi.org/10.3390/ijms26051829.

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The submergence tolerance of rice is a key factor in promoting rice direct seeding technology and resisting flood disasters. Dongxiang wild rice (DXWR) has strong submergence tolerance, but its genetic basis is still unclear. Here, we report quantitative trait loci (QTLs) analysis for hypoxic germination rate (HGR), hypoxic seedling rate (HSR), budlet submergence survival rate (BSSR) and seedling submergence survival rate (SSSR) using a linkage map in the backcross recombinant inbred lines (BRILs) that were derived from a cross of DXWR, and an indica cultivar, GZX49. A total of 20 QTLs related

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SAYYARI, Mohammad, Fardin GHANBARI, Sajad FATAHI, and Fatemeh BAVANDPOUR. "Chilling Tolerance Improving of Watermelon Seedling by Salicylic Acid Seed and Foliar Application." Notulae Scientia Biologicae 5, no. 1 (2013): 67–73. http://dx.doi.org/10.15835/nsb518293.

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Chilling temperatures lead to numerous physiological disturbances in the cells of chilling-sensitive plants and result in chilling injury and death of tropical and subtropical plants such as watermelon. In this study, the possibility of cold stress tolerance enhancing of watermelon seedling (Citrullus lanatus) by exogenous application of Salicylic acid (SA) was investigated. SA was applied through seed soaking or foliar spray at 0, 0.5, 1 and 1.5 mM concentration. After SA treatment, the seedlings were subjected to chilling 5 h/day at 4°C for 5 days. Statistical analysis showed significant eff

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Couvillon, Gary A. "Cercis canadensis L. Seed Size Influences Germination Rate, Seedling Dry Matter, and Seedling Leaf Area." HortScience 37, no. 1 (2002): 206–7. http://dx.doi.org/10.21273/hortsci.37.1.206.

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Several studies with annual crops have shown that large seeds improve percent germination, seedling growth, and uniformity, yield, seedling vigor, and stress tolerance. Little information is available on the influence of seed size on the resulting seedlings of woody plant species. Cercis canadensis L. seeds were divided into large and small seed size fractions and the seeds scarified, stratified, and planted. A larger percentage of large seeds germinated than did small seeds. Seedlings from large seeds had a greater peak and germination value than small seeds, indicating greater vigor and a mo

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NOREEN, Tabinda, Muhammad KABIR, Muhammad Zafar IQBAL, Muhammad SHAFIQ, and Zia-ur-Rehman FAROOQI. "ANALYSIS OF EFFECTS OF LEAD AND IRON TREATMENT ON EARLY SEEDLING GROWTH OF ALBIZIA LEBBECK L. (BENTH.) AND EUCALYPTUS GLOBULUS LABILL. IN VITRO STUDIES." Journal of Plant Development 29, no. 1 (2022): 95–102. http://dx.doi.org/10.47743/jpd.2022.29.1.910.

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Pollution by heavy metals in the environment is a worldwide problem. The aim of the research study was to record the effect of lead (Pb) and iron (Fe) elements on early seedling growth of Albizia lebbeck L. (Benth.) and Eucalyptus globulus Labill. The obtained results showed that higher level of lead (Pb) and iron (Fe) elements treatment present in the substrate had wide a spectrum of toxicity activity against seedlings growth performance of A. lebbeck and E. globulus as compared to control in lab conditions. Statistically analyzed data showed that seedling growth of A. lebbeck and E. globulus

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Ham, Tae-Ho, Yebin Kwon, Yoonjung Lee, Jisu Choi, and Joohyun Lee. "Genome-Wide Association Study Reveals the Genetic Basis of Cold Tolerance in Rice at the Seedling Stage." Agriculture 11, no. 4 (2021): 318. http://dx.doi.org/10.3390/agriculture11040318.

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We conducted a genome-wide association study (GWAS) of cold tolerance in a collection of 127 rice accessions, including 57 Korean landraces at the seedling stage. Cold tolerance of rice seedlings was evaluated in a growth chamber under controlled conditions and scored on a 0–9 scale, based on their low-temperature response and subsequent recovery. GWAS, together with principal component analysis (PCA) and kinship matrix analysis, revealed four quantitative trait loci (QTLs) on chromosomes 1, 4, and 5 that explained 16.5% to 18.5% of the variance in cold tolerance. The genomic region underlying

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Temel, Fatih, G. R. Johnson, and W. T. Adams. "Early genetic testing of coastal Douglas-fir for Swiss needle cast tolerance." Canadian Journal of Forest Research 35, no. 3 (2005): 521–29. http://dx.doi.org/10.1139/x04-183.

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The possibility of early testing coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) for Swiss needle cast (SNC; caused by Phaeocryptopus gaeumannii (Rohde) Petrak) tolerance was investigated using 55 Douglas-fir families from western Oregon. Seedlings were inoculated with P. gaeumannii naturally in the field and were visually scored for a variety of SNC symptom traits (i.e., needle and foliage color, and retention) at the seedling stage (age 2) and in "mature" (ages 10 and 12) trees at two test sites for both the seedling and mature ages. Seedlings were also assessed in

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Reuling, Laura F., Alan J. Z. Toczydlowski, Robert A. Slesak, and Marcella A. Windmuller-Campione. "Effects of Biochar on Drought Tolerance of Pinus banksiana Seedlings." International Journal of Plant Biology 14, no. 3 (2023): 811–24. http://dx.doi.org/10.3390/ijpb14030060.

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Drought is a major stressor of tree seedlings regarding both natural and artificial regeneration, especially in excessively drained, sandy outwash soils. While climate change is expected to cause an increase in the total annual precipitation in the Upper Midwest, USA, the timing of the precipitation is predicted to result in longer periods of drought during the growing season. Biochar, a material created through the pyrolysis of organic matter, such as wood waste, has been proposed as a soil amendment that may increase the water holding capacity of a soil. Biochar has mostly been studied in ag

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Liu, Fangfang, Wenxin Cao, Qiqi Zhang, Yao Li, Heng Zhou, and Yingxiu Wan. "Winter Wheat Vernalization Alleles and Freezing Tolerance at the Seedling and Jointing Stages." Plants 14, no. 9 (2025): 1350. https://doi.org/10.3390/plants14091350.

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This study explores the relationship between allelic variation of the vernalization genes (VRN) and the freezing tolerance at the seedling and jointing stages of winter wheat growth. It provides a basis for molecular marker development for freezing tolerance breeding of winter wheat. A total of 435 wheat accessions were used to identify and evaluate the freezing tolerance at the seedling stage using field tests, while 192 wheat accessions were used to evaluate the freezing tolerance at the jointing stage in climate chamber tests. The VRN genes of the wheat accessions were detected using allele

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Chang, L. S., A. F. Iezzoni, and G. Adams. "Excised-shoot Assay for Tolerance of Peach to Leucostoma persoonii." HortScience 24, no. 6 (1989): 1011–12. http://dx.doi.org/10.21273/hortsci.24.6.1011.

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Abstract Dormant, excised shoot segments from peach [Prunus persica (L.) Batsch.] seedlings previously identified as tolerant, intermediate, or susceptible to Leucostoma persoonii were evaluated for longitudinal canker necrotic length after incubation in contact with a culture of L. persoonii growing on clarified oatmeal agar. The differences in seedling canker necrotic lengths were significant and corresponded with field ratings of disease susceptibility. Seedling Yennoh 1-39 and NJ672017002 1-8 were the most tolerant, whereas Loring 14-20 and Elberta 8-25 were the most susceptible. The excis

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Augustine, Steven P., and Keith Reinhardt. "Differences in morphological and physiological plasticity in two species of first-year conifer seedlings exposed to drought result in distinct survivorship patterns." Tree Physiology 39, no. 8 (2019): 1446–60. http://dx.doi.org/10.1093/treephys/tpz048.

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Abstract First-year tree seedlings represent a critical demographic life stage, functioning as a bottleneck to forest regeneration. Knowledge of how mortality is related to whole-seedling carbon and water relations is deficient and is required to understand how forest compositions will be altered in future climatic conditions. We performed a greenhouse drought experiment using first-year seedlings of two common pine species found in the Intermountain West, USA. Gas exchange, biomass gain, allometry and xylem water potentials were compared between well-watered and droughted seedlings from emerg

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Jennings, Paul H., and Ann Fitzpatrick. "Involvement of HSP Synthesis and Protease Inhibitors in Heat Shock-induced Cucumber Seedling Chilling Tolerance." HortScience 30, no. 4 (1995): 775F—775. http://dx.doi.org/10.21273/hortsci.30.4.775f.

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Heat shock induction of chilling tolerance in cucumber seedlings is not blocked by inhibitors of protein synthesis. Treatment of germinating seeds with cycloheximide and actinomycin-D, prior to heat shock and chilling, does not block the heat shock induction of chilling tolerance, while the inhibitors alone promote chilling tolerance of seedling roots. To test whether the heat shock effect might be acting on proteases, two protease inhibitors (bestatin and PMSF) were tested for their ability to induce chilling tolerance. Although PMSF slowed germination, it still provided protection against ch

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Lorca, E. Agostina, Ana E. Ferreras, and Guillermo Funes. "Seed size and seedling ontogenetic stage as modulators of damage tolerance after simulated herbivory in a woody exotic species." Australian Journal of Botany 67, no. 2 (2019): 159. http://dx.doi.org/10.1071/bt18093.

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Herbivory is one of the most important threats that plants face during early stages of development. Previous studies have indicated that seed size and seedling ontogeny strongly influence the response to herbivory at the seedling stage. However, little is known about their interactive effect. We simulated herbivory on seedlings of the exotic Gleditsia triacanthos L. and evaluated the combined effects of seed size and ontogenetic stage at which herbivory occurred on tolerance to herbivory. A greenhouse experiment was performed, with three non-overlapping levels of seed size. Seedlings from each

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V, Aparna, Lakshmi Prayaga, Sarada C, and Arti Guhe. "Evaluating thermotolerant sunflower genotypes with temperature induction response (TIR) technique." Environment Conservation Journal 25, no. 1 (2024): 175–83. http://dx.doi.org/10.36953/ecj.24062640.

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High temperature affects various physiological processes of the plant. Delayed sowing and changing climate both subject the crop to increasing temperatures during the crop growth period. There is a need to take on a technique to screen the wide number of genotypes for high-temperature tolerance. In the present study, a screening protocol was followed based on the principle of “acquired tolerance” in which 47 sunflower seedlings were exposed to sub-lethal heat stress to induce tolerance before subjecting to subsequent lethal stress and the second set were directly exposed to lethal stress. Sign

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Zhou, Xiangyu, Yu Zhang, Suohu Leng, et al. "Uniconazole and Adaptability of Transplantations by Enhancing the Competition Tolerance in a High Sowing Density of Rapeseed Blanket Seedlings." Agronomy 12, no. 11 (2022): 2637. http://dx.doi.org/10.3390/agronomy12112637.

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Having nursery rapeseed (Brassica napus L.) seedlings at a high density in a tray is an indispensable step to realizing mechanized transplanting for rapeseed. The reduction in seedling quality caused by high sowing density is one of the key factors affecting transplanting quality and yield. Uniconazole has been considered as a potential plant growth regulator to improve plant growth under diverse unfavorable circumstances. In two sowing densities (400 and 800 seeds per tray), an experiment was carried out between 2021 and 2022 to investigate the effects of uniconazole seed-coating treatments o

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Cheng, C., L. M. Pei, T. T. Yin, and K. W. Zhang. "Seed treatment with glycine betaine enhances tolerance of cotton to chilling stress." Journal of Agricultural Science 156, no. 3 (2018): 323–32. http://dx.doi.org/10.1017/s0021859618000278.

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AbstractChilling injury is an important natural stress that can threaten cotton production, especially at the sowing and seedling stages in early spring. It is therefore important for cotton production to improve chilling tolerance at these stages. The current work examines the potential for glycine betaine (GB) treatment of seeds to increase the chilling tolerance of cotton at the seedling stage. Germination under cold stress was increased significantly by GB treatment. Under low temperature, the leaves of seedlings from treated seeds exhibited a higher net photosynthetic rate (PN), higher an

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Bodnaryk, R. P., and R. J. Lamb. "Influence of seed size in canola, Brassica napus L. and mustard, Sinapis alba L., on seedling resistance against flea beetles, Phyllotreta cruciferae (Goeze)." Canadian Journal of Plant Science 71, no. 2 (1991): 397–404. http://dx.doi.org/10.4141/cjps91-055.

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Seedlings of Brassica napus L. 'Westar' or Sinapis alba L. 'Ochre' grown from seeds of various size were offered to flea beetles, Phyllotreta cruciferae (Goeze) in feeding tests for damage assessment. The proportion of cotyledon area damaged in both species was highest for seedlings grown from small seeds in choice and no-choice feeding tests. The proportion of seedlings killed by flea beetle feeding was also highest in seedlings from small seeds, an effect that was especially pronounced at high beetle densities (10/seedling) where 100% of seedlings from small seeds of B. napus were killed com

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Benítez-Malvido, Julieta, Miguel Martínez-Ramos, José Luis C. Camargo, and Isolde D. K. Ferraz. "Responses of seedling transplants to environmental variations in contrasting habitats of Central Amazonia." Journal of Tropical Ecology 21, no. 4 (2005): 397–406. http://dx.doi.org/10.1017/s0266467405002439.

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In the Central Amazon we investigated whether seedling performance (survival, and relative growth rates in height and leaf numbers) was affected by initial seedling size (height and leaf numbers) in habitats that varied in their degree of human disturbance: cattle pasture, young secondary forest, 1-ha forest fragment and old-growth forest. Additionally, effects of photosynthetically active radiation (PAR), litter standing crop (LSC) and insect herbivory were evaluated 12 mo after transplantation in seedlings from the native canopy trees Chrysophyllum pomiferum, Micropholis venulosa and Pouteri

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Robbins, JoAnn, and Thomas M. Sjulin. "Selection for Virus Tolerance in Strawberry Seedlings in Relation to Virus Source and Plant Age." Journal of the American Society for Horticultural Science 113, no. 6 (1988): 924–27. http://dx.doi.org/10.21273/jashs.113.6.924.

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Abstract Strawberry (Fragaria × ananassa Duch.) seedlings were planted in a greenhouse at 3- to 4-week intervals and simultaneously inoculated at ages 80, 101, 129, or 157 days with either of two naturally occurring virus sources each of which contained a mottle, mild yellow edge, and crinkle virus complex. Inoculation by aphids with either virus source reduced vigor, petiole length, leaflet width, stolons per plant, and vegetative dry weight of plants in the greenhouse. The tendency of virus inoculation to reduce vigor and petiole length was inversely proportional to increasing seedling age.

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Safitri, Heni, Bambang Sapta Purwoko, Iswari Saraswati Dewi, and Sintho Wahyuning Ardie. "SALINITY TOLERANCE OF SEVERAL RICE GENOTYPES AT SEEDLING STAGE." Indonesian Journal of Agricultural Science 18, no. 2 (2018): 63. http://dx.doi.org/10.21082/ijas.v18n2.2017.p63-68.

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<p class="abstrakinggris">Salinity is one of the most serious problems in rice cultivation. Salinity drastically reduced plant growth and yield, especially at seedling stage. Several rice genotypes have been produced, but their tolerance to salinity has not yet been evaluated. The study aimed to evaluate salinity tolerance of rice genotypes at seedling stage. The glasshouse experiment was conducted at Cimanggu Experimental Station, Bogor, from April to May 2013. Thirteen rice genotypes and two check varieties, namely Pokkali (salt tolerant) and IR29 (salt sensitive) were tested at seedli

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García, M. R., G. P. Bernet, J. Puchades, I. Gómez, E. A. Carbonell, and M. J. Asins. "Reliable and easy screening technique for salt tolerance of citrus rootstocks under controlled environments." Australian Journal of Agricultural Research 53, no. 6 (2002): 653. http://dx.doi.org/10.1071/ar01071.

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Three salt tolerance experiments using 5 common citrus rootstocks were carried out to find a reliable and easy screening technique for salt tolerance in breeding programs. The experiments were: (1) in vitro seed culture where salt tolerance was mainly evaluated as germination percentage, (2) hydroponic culture of 2-month-old seedlings where salt tolerance was mainly evaluated as survival percentage, and (3) hydroponic culture of satsuma-rootstock combinations where salt tolerance was evaluated by leaf and fruit characters. Treatments were: 4 mm K2CO3 and 0-100 mm NaCl in Expt 1; 3.5 mm K2CO3 a

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Sun, Changwei, Jian Chen, Lanlan Wang, et al. "Thymol Deploys Multiple Antioxidative Systems to Suppress ROS Accumulation in Chinese Cabbage Seedlings under Saline Stress." Agronomy 14, no. 5 (2024): 1059. http://dx.doi.org/10.3390/agronomy14051059.

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Developing biostimulants is a promising approach for sustainable agriculture under a saline environment. Thymol is a plant-derived compound with a potential antioxidative capacity. However, little is known about whether and how the antioxidative property of thymol plays a role in inducing plant tolerance against abiotic stresses. Here, we find that thymol induces saline tolerance in Chinese cabbage seedlings via enhancing the antioxidative capacity. Treatment with NaCl (100 mM) decreased the seedling fresh weight by 59.9% as compared to a control. Thymol at 20 μM showed the greatest effect on

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