Photoinhibition of germination in grass seed – Implications for prairie revegetation

Mollard, Federico P.O.; Naeth, M. Anne

doi:10.1016/j.jenvman.2014.04.007

Cited by 22 publications

(4 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…After a 10‐day incubation period, ten seedlings per Petri dish ( i.e. 50 seedlings per treatment group) were randomly chosen to determine lettuce germination parameters: seedling height (to assess competition for light), root length (competition for soil nutrients) and leaf size (leaf length and width; competition for light) (Wang et al 2016a, 2017c,d,e, 2018d,e, 2019a, 2020a,b), green leaf area (leaf photosynthetic area) (Xia et al 2016; Huang et al 2018), seedling biomass (fresh and dry weight; growth competitiveness) (Wang et al 2016a, 2017c,d,e, 2018d, 2019a, 2020a,b), moisture content (moisture degree) (Wang et al 2017d, 2019a, 2020b), germination percentage (germination ability) (Wang et al 2016a, 2017c,d,e, 2018d, 2019a, 2020b), germination potential (germination capacity and uniformity) (Wang et al 2016a, 2017c,d,e, 2018d, 2019a, 2020b), germination index (germination speed and vitality) (Hou et al 2014; Tan et al 2017; Ding et al 2018), germination vigour index (germination speed and vitality) (Li et al 2014; Ding et al 2018), and germination rate index (germination speed and vitality) (Qiu et al 2010; Mollard & Naeth 2014). Further, the indices of allelopathic effects ( RI ) for all lettuce germination parameters were also determined to estimate the allelopathic effects of goldenrod leaf extract with or without heavy metals on lettuce germination (Williamson & Richardson 1988).…”

Section: Methodsmentioning

confidence: 99%

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

View full text Add to dashboard Cite

• Large amounts of heavy metals have been released into the environment. Thus, the allelopathic effects of invasive alien species on the germination performance of cooccurring indigenous species may be altered or even heightened with the rapid growth in heavy metal pollution. • This study evaluated the impacts of Canada goldenrod (Solidago canadensis L.) leaf extracts at concentrations of 0, 10 or 20 gl 1 on the germination of lettuce under different forms of heavy metal pollution (Cu 2+ , Pb 2+ or a combination of Cu 2+ and Pb 2+ ; 35 mgl 1) during incubation in Petri dishes for 10 days. • Goldenrod leaf extracts (high concentration) reduced growth of aboveground and belowground parts of lettuce as well as competition for light and soil nutrients. However, low concentrations of goldenrod leaf extracts dramatically improved growth of lettuce roots, competition for light, soil nutrient availability, leaf photosynthetic area and growth competitiveness. The combination of goldenrod leaf extracts and heavy metal pollution was synergistic on most lettuce germination parameters, probably because high concentrations of goldenrod leaf extracts together with heavy metal pollution had a synergistic negative impact on lettuce germination. • Consequently, increased levels of heavy metal pollution may favour invasion of invasive alien species while largely suppressing germination of indigenous species.

show abstract

Section: Methodsmentioning

confidence: 99%

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Wei

Shu

et al. 2020

Plant Biol J

View full text Add to dashboard Cite

show abstract

“…After eight days of incubation, ten lettuce seedlings of lettuce per Petri dish (i.e., fifty seedlings of lettuce per bioassay treatment group) were chosen randomly to assess SGeSGrP parameters of lettuce, namely, germination percentage (represents the germination ability) [3,9,10,13], germination potential (represents the germination capacity and uniformity) [3,9,10,13], germination index (represents the germination speed and vitality) [37][38][39], germination rate index (represents the germination speed and vitality) [40][41][42], germination vigor index (represents the germination speed and vitality) [39,43,44], promptness index (represents the robust response capability of seedling's germination) [45][46][47], seedling height (represents the competitive ability for sunlight acquisition) [3,9,10,13,33], root length (represents the competitive ability for water and inorganic salt acquisition) [3, 9, 10, 13], leaf length and width (represents the competitive ability for sunlight acquisition) [3,6, 8-10, 13, 33, 48], green leaf area (represents leaf photosynthetic area) [49][50][51], singleplant fresh and dry weights (represents plant growing ability) [3,9,10,13,24,33,48] and plant moisture content (represents plant water content) [3,9,10,…”

Section: Determination Of Sgesgrp Parameters Of Lettucementioning

confidence: 99%

Drought Enhanced the Allelopathy of Goldenrod on the Seed Germination and Seedling Growth Performance of Lettuce

Wu¹,

Wu²,

Cheng³

et al. 2020

Pol. J. Environ. Stud.

View full text Add to dashboard Cite

Invasive alien species (IAS) can distinctly inhibit seed germination and seedling growth performance (SGeSGrP) of indigenous species via the allelopathy. The progressively increased drought stress can potentially affect the allelopathy of IAS. Thus, it is significant to illustrate the allelopathy of IAS on SGeSGrP of indigenous species under drought stress to obtain a deeper elucidation for the main driving mechanism attributed to the successful invasion. This study attempts to identify the allelopathy of IAS Solidago canadensis L. (goldenrod; using leaf extracts) on SGeSGrP of the indigenous species Lactuca sativa L. (lettuce) under drought stress [mimicked by Polyethylene glycol-6000 (PEG 6000)]. Goldenrod leaf extracts (low concentration) obviously reduced seed germination performance of lettuce but goldenrod leaf extracts (high concentration) notably reduced seedling growth performance of lettuce. Goldenrod leaf extracts (low concentration) also interestingly awarded an optimistic effect on the competitive ability for sunlight acquisition as well as water and inorganic salt acquisition, plant growing ability, and plant water content of lettuce. PEG 6000 dramatically inhibited the competitive ability for sunlight acquisition as well as water and inorganic salt acquisition of lettuce. PEG 6000 also noticeably enhanced the allelopathy of goldenrod leaf extracts on the germination speed and vitality, competitive ability for sunlight acquisition as well as water and inorganic salt acquisition, leaf photosynthetic area, and plant growing ability of lettuce. Thus, drought stress may be advantageous to the advance of goldenrod invasion process mainly via the oppressed SGeSGrP of indigenous species mediated by the enhanced allelopathy.

show abstract

“…Although many factors may affect the germination of seeds242526272829303132, it is undoubted that seed viability is a critical precondition determining whether a seed is able to germinate to be a seedling22232533. If seeds produced by plants of a species are in poor quality, it is difficult for the plants to successfully produce seedlings, and consequently, the population growth and persistence of the species cannot be realized easily2434353637383940.…”

Section: Discussionmentioning

confidence: 99%

Seed sojourn and fast viability loss constrain seedling production of a prominent riparian protection plant Salix variegata Franch

Ayi

Zeng

Liu

et al. 2016

Sci Rep

View full text Add to dashboard Cite

Salix variegata Franch, a prominent plant applied in riparian shelter vegetation in Three Gorges reservoir region of China, produces many seeds every year but generates only a few or no seedlings. Whether the low seedling production of S. variegata is caused by seed sterility or by rapid loss of seed viability remains unknown. We investigated the sojourn time of mature seeds in capsules produced in early, mid, and late reproductive season and the germinability of mature seeds fresh or stored after different period of time. The sojourn time of seeds in capsules was 2.89, 3.95, and 4.72 days in early, mid, and late reproductive season, respectively. The maximal germination percentage of non-stored fresh seeds produced in early, mid, and late reproductive season was 93.33%, 78.67%, and 40%, respectively, which indicates mature seeds were not sterile. The longest viability-retaining time of seeds produced in early, mid, and late reproductive season was only 8, 16, 16 days, respectively, indicating that mature seeds of S. variegata lost viability very rapidly. Mature seeds possessed good viability, but their rapid viability loss caused the low seedling production and hampered the population growth of S. variegata in the riparian area of Three Gorges reservoir region.

show abstract

Photoinhibition of germination in grass seed – Implications for prairie revegetation

Cited by 22 publications

References 30 publications

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Heavy metal pollution improves allelopathic effects of Canada goldenrod on lettuce germination

Drought Enhanced the Allelopathy of Goldenrod on the Seed Germination and Seedling Growth Performance of Lettuce

Seed sojourn and fast viability loss constrain seedling production of a prominent riparian protection plant Salix variegata Franch

Contact Info

Product

Resources

About