Salinity Effects on Seed Germination and Vegetative Growth of Greens‐Type <i>Poa annua</i> Relative to Other Cool‐Season Turfgrass Species

Dai, Ji; Huff, David R.; Schlossberg, Maxim J.

doi:10.2135/cropsci2008.04.0221

Cited by 41 publications

(45 citation statements)

References 21 publications

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“…89%) demonstrating salt tolerance in the period of seed germination. It is in agreement with the previous study of Dai et al (2009), who stated that L. perenne was relatively the most salt-tolerant among the tested several cool-season turfgrass species. Our results have been confirmed in the studies by Kusvuran et al (2015), who found that salt stress caused 17% reductions in germination in the turfgrass varieties of L. perenne with the 200 mM NaCl treatment.…”

Section: Resultssupporting

confidence: 93%

“…The seeds at germination are most susceptible to salinity stress and studies in this field indicate considerable differentiation of grass seeds within the species and varieties in tolerating salinity (Hujun et al, 2001;Jalali et al, 2010). According to Dai et al (2009), the germination of several cool-season turfgrass species showed L. perenne to be relatively the most salt-tolerant while P. pratensis the least. However, the existing results do not give complete information on this subject.…”

mentioning

confidence: 99%

“…Literature suggests that in the seedling stage varieties of L. perenne show different tolerance of salinity stress (Hujun et al, 2001;Borowski, 2008 a;Kusvuran et al, 2015) whereas P. pratensis should be pointed as moderately sensitive (Friell et al, 2013). Because of that, screening and breeding cool-season turfgrass varieties that are salttolerant during both seed germination and vegetative growth becomes important (Dai et al, 2009). Literature shows that seed germination is tested over a wide range of various germination media, salt concentrations as well as experimental temperatures and light intensity (Yuan, Shi, 2009;Zhang et al, 2011;Dudley et al, 2014).…”

mentioning

confidence: 99%

“…'Stadion' showed the highest (significant) root to shoot (R:S) ratio. Dai et al (2009) reported that root dry mass of L. perenne declined with increasing salinity. In the study of Nizam (2011) low salinity level did not change significantly the mass of roots.…”

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confidence: 99%

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The sensitivity of Lolium perenne and Poa pratensis to salinity and drought during the seed germination and under different photoperiod conditions

Borawska-Jarmułowicz

Mastalerczuk

Gozdowski

et al. 2017

Zemdirbyste-Agriculture

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Salinity and drought are the main factors limiting the germination of seeds and development of lawn grasses. The study, carried out in controlled conditions, explored the effects of salt and drought stress as well as photoperiod on germination and morphological traits of seedlings of perennial ryegrass (Lolium perenne L.) and Kentucky bluegrass (Poa pratensis L.) lawn varieties. Germination capacity and mean germination time of seeds as well as the length and dry mass of shoots and roots of seedlings were determined. The germination of seeds was conducted on three levels of sodium chloride (NaCl) salinity (0, 100 and 200 mM) and four levels of drought stress using polyethylene glycol (PEG) solutions (0, −0.3, −0.6 and -1.2 MPa) in different photoperiod (0, 8 and 12 h of light) and temperature conditions (constant 25°C and variable 30/20°C). The obtained results showed that salinity decreased the germination capacity, the length of seedling shoots and roots, number of roots and dry mass of shoots and increased mean germination time (MGT) of seeds, especially of P. pratensis varieties. Drought stress increased mean germination time and limited germination capacity, shoot and root length and dry mass of L. perenne varieties only under the highest −1.2 MPa level, whereas P. pratensis -even at −0.3 MPa. In the conditions of salinity and simulated drought, germination capacity, shoot and root length and the mass of shoots of L. perenne and P. pratensis seedlings were closely correlated to each other. The results of this study indicate that germination capacity of P. pratensis varieties was modified by light duration. This species proved to be intolerant of lack of light during seed germination, while L. perenne varieties showed tolerance to photoperiod in this stage.

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Section: Resultssupporting

confidence: 93%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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The sensitivity of Lolium perenne and Poa pratensis to salinity and drought during the seed germination and under different photoperiod conditions

Borawska-Jarmułowicz

Mastalerczuk

Gozdowski

et al. 2017

Zemdirbyste-Agriculture

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“…seeds on different salinity levels. Dai et al (2009) also compared salinity tolerance of greens-type P. annua. Germination rate and seedling growth (blade length and tissue weight) of perennial ryegrass, kentucky bluegrass, and tall fescue cultivars under saline conditions were evaluated in hydroponic systems (Horst and Beadle, 1984;Horst and Dunning, 1989;Horst and Taylor, 1983).…”

Section: Introductionmentioning

confidence: 99%

Assessment of salinity tolerance in polycross progenies of tall fescue [Lolium arundinaceum (Schreb) S. J. Darbysh.)]

Amini¹,

Sadeghi²

2017

Aust J Crop Sci

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The effect of salinity on germination factors was evaluated for twenty five genotypes as the parents and first generation synthetic progenies (Syn1) of tall fescue. To produce polycross seeds, four groups of six parental plants with contrasting levels of diversity based on phenotypic traits and contrasting levels of AFLP molecular marker diversity constructed. An experimental factorial, in a randomized complete block design was conducted under five salinity levels (0, 50, 100, 150, 200 mM NaCl). In each experiment 10 ml from salt solution was added to each Petri dish. Seeds were allowed to germinate at 25 ± 1°C for 14 days. Daily, final germination and emergence percentage, as well as germination and seedling emergence rate, and seedling fresh and dry weight were measured in the study under controlled and stress conditions in parental genotypes and also first generation progenies. The results showed that the differences between parents of populations were not significant for the evaluated traits but the effect of population in progenies were significant for all of the evaluated traits. It seems that the polycrosses of the parental genotypes gathered the positive genes in progenies and caused the significant increases in the evaluated traits such as germination percent, germination rate, fresh weight of leaf and radical length. HMD and LMD populations had the highest means for most of the evaluated traits such as germination percentage and germination rate in all stress and non-stress conditions. The parents of these population selected based on molecular markers diversities. The correlation between similarity matrix of parents based on molecular markers and the similarity matrix of first generation of progenies based on morphological traits was significant (r=0.35). The highest broad sense heritability was observed for fresh weight of radical in parents and progenies (70% and 80%), while the lowest was observed for radical length in both parents and progenies (13% and 15%). Our results demonstrate that molecular markers can be reliable tools to efficiently selecting parental genotypes and improving tall fescue breeding programs.

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Kentucky bluegrass growth under saline, waterlogging, and saline‐waterlogging conditions during germination and seedling growth

Rue

Zhang

2020

Crop Forage & Turfgrass Mgmt

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Salinity and waterlogging, two major problems in turfgrass management, often co‐occur in nature; however, information on the response of turfgrass to the combined salinity‐waterlogging stress is limited. The objective of this study was to determine growth response of nine Kentucky bluegrass (Poa pratensis L.) cultivars to the control (i.e., non‐stress), salinity, waterlogging, and the combined salinity‐waterlogging stress during the germination and seedling stage (six weeks) in pots in a greenhouse. Data including shoot and root dry weight, root‐to‐shoot dry weight ratio, root length, and specific root length were analyzed. Salinity‐waterlogging reduced dry weight of both shoots (556.1 mg) and roots (269.4 mg) compared with the controls (1295.1 and 686.7 mg) (P < .0001). The control plants had a root‐to‐shoot dry weight ratio of 52.9%, higher than the salinity‐treated ones (44.1%) (P = .0017). Root length was higher in the control and waterlogged plants than salinity and salinity‐waterlogged plants. Saline‐waterlogged and control plants had the highest and lowest specific root length, respectively. Among the Kentucky bluegrass cultivars, Sudden Impact, Award, Limousine, and Kenblue had higher tissue biomass, followed by America, Legend, and Arrowhead, whereas Moonlight and Blue Note performed poorly. Blue Note had a higher specific root length than all other grasses, except Moonlight. It may be a better management practice to use cultivars such as Sudden Impact, Award, Limousine, and Kenblue, which appear from this research to be relatively tolerant to salinity/waterlogging stress, when establishing a new turf surface under the aforementioned stresses.

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Salinity Effects on Seed Germination and Vegetative Growth of Greens‐Type Poa annua Relative to Other Cool‐Season Turfgrass Species

Cited by 41 publications

References 21 publications

The sensitivity of Lolium perenne and Poa pratensis to salinity and drought during the seed germination and under different photoperiod conditions

The sensitivity of Lolium perenne and Poa pratensis to salinity and drought during the seed germination and under different photoperiod conditions

Assessment of salinity tolerance in polycross progenies of tall fescue [Lolium arundinaceum (Schreb) S. J. Darbysh.)]

Kentucky bluegrass growth under saline, waterlogging, and saline‐waterlogging conditions during germination and seedling growth

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