Field emergence of native boreal forest species on reclaimed sites in northeastern Alberta

Smreciu, A.; Gould, K.

doi:10.3368/npj.16.3.204

Cited by 2 publications

(3 citation statements)

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“…Buffaloberry has a hard seed coat (physical dormancy), which impedes germination [9,10], as the seed coats are impermeable to water and other nutrients, ultimately preventing the germination of viable seeds [39,68,69]. On the other hand, green alder is inhibited by embryo dormancy [12,70], which is a second category dormancy (morphophysiological dormancy). This dormancy results in low seed germination and stand establishment [70].…”

Section: Effects Of Carbon Nanoparticles In Resolving Seed Dormancy Imentioning

confidence: 99%

“…On the other hand, green alder is inhibited by embryo dormancy [12,70], which is a second category dormancy (morphophysiological dormancy). This dormancy results in low seed germination and stand establishment [70]. Cold-moist stratification has been demonstrated to be very effective in breaking seed dormancy and improving seed germination rate and seedling development [37,39,68,71].…”

Section: Effects Of Carbon Nanoparticles In Resolving Seed Dormancy Imentioning

confidence: 99%

“…The seedling vigor index (SVI) can be measured through seedling vigor test [73][74][75] and it is very important to have seedlings with enhanced vigor, or SVI. Seedlings with enhanced SVI have an increased chance of survival and establishment across different environments with varying stressors, particularly boreal forest sites required to be revegetated following resource mining [70,76]. These sites have many challenges (water pollution, high bitumen content, nutrient deficiency, etc.).…”

Section: Effect Of Carbon Nanoparticles In Enhancing Seedling Vigormentioning

confidence: 99%

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Carbon Nanoparticles Functionalized with Carboxylic Acid Improved the Germination and Seedling Vigor in Upland Boreal Forest Species

Ali

Sobze

et al. 2020

Nanomaterials

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Nanopriming has been shown to significantly improve seed germination and seedling vigor in several agricultural crops. However, this approach has not been applied to native upland boreal forest species with complex seed dormancy to improve propagation. Herein, we demonstrate the effectiveness of carbon nanoparticles functionalized with carboxylic acids in resolving seed dormancy and improved the propagation of two native upland boreal forest species. Seed priming with carbon nanoparticles functionalized with carboxylic acids followed by stratification were observed to be the most effective in improving germination to 90% in green alder (Alnus viridis L.) compared to 60% in the control. Conversely, a combination of carbon nanoparticles (CNPs), especially multiwall carbon nanoparticles functionalized with carboxylic acid (MWCNT–COOH), cold stratification, mechanical scarification and hormonal priming (gibberellic acid) was effective for buffaloberry seeds (Shepherdia canadensis L.). Both concentrations (20 µg and 40 µg) of MWCNT–COOH had a higher percent germination (90%) compared to all other treatments. Furthermore, we observed the improvement in germination, seedling vigor and resolution of both embryo and seed coat dormancy in upland boreal forest species appears to be associated with the remodeling of C18:3 enriched fatty acids in the following seed membrane lipid molecular species: PC18:1/18:3, PG16:1/18:3, PE18:3/18:2, and digalactosyldiacylglycerol (DGDG18:3/18:3). These findings suggest that nanopriming may be a useful approach to resolve seed dormancy issues and improve the seed germination in non-resource upland boreal forest species ideally suited for forest reclamation following resource mining.

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Section: Effects Of Carbon Nanoparticles In Resolving Seed Dormancy Imentioning

confidence: 99%

Section: Effects Of Carbon Nanoparticles In Resolving Seed Dormancy Imentioning

confidence: 99%

Section: Effect Of Carbon Nanoparticles In Enhancing Seedling Vigormentioning

confidence: 99%

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Carbon Nanoparticles Functionalized with Carboxylic Acid Improved the Germination and Seedling Vigor in Upland Boreal Forest Species

Ali

Sobze

et al. 2020

Nanomaterials

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Hitchhiker planting: mixed-species container stock planting as a novel tool to increase plant diversity on industrially disturbed sites

Schoonmaker,

Mathison,

Mackenzie

2023

Can. J. For. Res.

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Rapid establishment of closed canopy cover is a key goal in land reclamation. While re-establishment of understory vegetation is likely to positively contribute to this goal, native herbaceous species are not typically planted on reclaimed sites though it is an alternative to reliance on natural regeneration. The objective of the present study was to test the principle of hitchhiker production of a tree species with native herbaceous species on recently reclaimed industrial sites with the aim of (1) understanding growth tradeoffs when mixing these species in the same container and (2) if hitchhiking had negative growth and survival outcomes for white spruce ( Picea glauca) seedlings compared with singly grown white spruce seedlings. White spruce seeds were sown in nursery containers of contrasting cavity sizes, followed by sowing a forb species ( Eurybia conspicua or Chamerion angustifolium) at different time intervals or grown singly. Larger cavities and earlier sow dates were associated with higher persistence and growth of the forbs, while later sow dates were associated with larger white spruce seedlings. We observed no evidence to suggest that hitchhiked seedlings were at a competitive disadvantage in terms of growth or survival compared with singly grown seedlings that were initially similar in size.

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Field emergence of native boreal forest species on reclaimed sites in northeastern Alberta

Abstract: Pin cherry in bloom. (See Table 1 for taxonomic nomenclature.

Cited by 2 publications

References 4 publications

Carbon Nanoparticles Functionalized with Carboxylic Acid Improved the Germination and Seedling Vigor in Upland Boreal Forest Species

Carbon Nanoparticles Functionalized with Carboxylic Acid Improved the Germination and Seedling Vigor in Upland Boreal Forest Species

Hitchhiker planting: mixed-species container stock planting as a novel tool to increase plant diversity on industrially disturbed sites

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