Introduced plants of <i>Lupinus polyphyllus</i> are larger but flower less frequently than conspecifics from the native range: Results of the first year

Ramula, Satu; Kalske, Aino

doi:10.1002/ece3.6964

Cited by 8 publications

(8 citation statements)

References 45 publications

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“…Populations in the native range generally inhabited lower latitudes and higher altitudes than the introduced populations. Based on climate data from 1970-2000, mean annual precipitation is higher in the native compared to the introduced range, but mean annual temperatures do not differ between the populations in the two countries (Ramula and Kalske 2020). The mean distance between the six remaining populations in the USA was 203 km (range 13-516 km) and in Finland 213 km (range 1-441 km).…”

Section: Field Herbivory and Seed Collectionmentioning

confidence: 98%

“…We collected seeds from 16 putative populations of L. polyphyllus in its native range in the western United States (CA, OR) and from 16 introduced populations in Finland in the summer of 2018. However, DNA barcoding confirmed the species identity for only 11 of the native populations (Ramula and Kalske 2020). Due to poor seed germination of the remaining populations (see below), we were left with 6 native and 16 introduced populations (Online resource, Table S1).…”

Section: Field Herbivory and Seed Collectionmentioning

confidence: 99%

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Introduced populations of the garden lupine are adapted to local generalist snails but have lost alkaloid diversity

et al. 2021

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Intraspecific variation in growth and defence among plant populations can be driven by differences in (a)biotic conditions, such as herbivory and resources. Introduction of species to novel environments affects simultaneously herbivory encountered by a plant and resource availability both directly and via altered competitive environment. Here, we address the question of how growth (leaf mass per area (LMA), plant size) and resistance traits (leaf alkaloids, leaf trichomes, resistance to a generalist snail) vary and covary between native and introduced populations of the garden lupine, Lupinus polyphyllus. We focused specifically on evolved differences among populations by measuring traits from plants grown from seed in a common environment. Plants from the introduced populations were more resistant against the generalist snail, Arianta arbustorum, and they had more leaf trichomes and higher LMA than plants from the native populations. The composition of alkaloids differed between native and introduced populations, with the native populations having more diversity in alkaloids among them. Resistance was positively associated with plant size and LMA across all populations. Other trait associations differed between native and introduced areas, implying that certain trade-offs may be fundamentally different between native and introduced populations. Our results suggest that, for the introduced populations, the loss of native herbivores and the alterations in resource availability have led to a lower diversity in leaf alkaloids among populations and may facilitate the evolution of novel trait optima without compensatory trade-offs. Such phytochemical similarity among introduced populations provides novel insights into mechanisms promoting successful plant invasions.

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Section: Field Herbivory and Seed Collectionmentioning

confidence: 98%

Section: Field Herbivory and Seed Collectionmentioning

confidence: 99%

Introduced populations of the garden lupine are adapted to local generalist snails but have lost alkaloid diversity

et al. 2021

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“…Seeds from garden lupin (Washington lupin) and Russel lupin were used in the experiments as there may be differences in reproductive traits between naturalized and introduced plants [50]. The naturalized species Lupinus polyphyllus Lindley (garden lupin) is a garden escapee and commonly found in Finland [46].…”

Section: Seed Materials and Preparationmentioning

confidence: 99%

“…The overall risk with Russel lupin was shown to be significantly lower than with garden lupin. By adapting to a number of different habitats and environments, garden lupin has developed strong survival ability [46,62], which is shown, e.g., in seed mass and plant size [50].…”

Section: Risk Of Seed Survivalmentioning

confidence: 99%

Risk of Invasive Lupinus polyphyllus Seed Survival in Biomass Treatment Processes

et al. 2021

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Invasive plant species threaten native species and habitats causing ecologic, economic and social burden. When creating climate friendly solutions by utilizing plant biomasses in biogas and fertilizer production, safety should be ensured concerning the use of residues. This study concentrates on the treatment of biomasses containing invasive plant material by tunnel and windrow composting, and by farm-scale and laboratory-scale anaerobic digestion (AD) in mesophilic conditions. Germination of the nationally settled and harmful invasive species Lupinus polyphyllus Lindl. was investigated after these processes. In addition, the role of the conditions found in the processes that destroyed seeds were studied, such as the time of exposure, temperature and static pressure. Dormant seeds are well protected against harsh conditions and can survive through various stress factors, but also become vulnerable as more factors are combined and time of exposure is extended. Our results suggest that the risks involved for the utilization of harmful invasive species increase with mesophilic temperatures and single treatments if the processing conditions are not stabile. One-month treatment with windrow composting showed a high risk for dormant seeds of L. polyphyllus seeds to survive, whereby extending the processing time reduced it substantially. Hard coated seeds can thus be broken with a combination of thermophilic temperatures, moisture and static pressure.

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“…The author found that the number of leaves and lateral flowering shoots per plant increased with a longer naturalisation period, but the number of seeds and plant height did not differ significantly. Although Ramula and Kalske [ 51 ] revealed that L . polyphyllus from the introduced populations were larger in size, they flowered less frequently and with fewer flowering shoots than plants from the native populations.…”

Section: Discussionmentioning

confidence: 99%

Genetic Diversity in Invasive Populations of Lupinus polyphyllus Lindl. and Heracleum sosnowskyi Manden.

Osipova

Stepanova

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et al. 2021

Biology

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In our study, two aggressive-invasive species, Lupinus polyphyllus Lindl. and Heracleum sosnowskyi Manden. from Russia and Ukraine, were investigated. The success in naturalization of both species is associated with human activities, since they have been used in agriculture and floriculture and both have qualities such as environmental tolerance, high fertility and phenotypic plasticity. The purpose of this study was to determine the level of genetic diversity of both species. For Heracleum sosnowskyi Manden., genetic diversity was compared in invasive and native populations. For Lupinus polyphyllus Lindl., the genetic diversity was compared in variety, feral and invasive populations. A genetic diversity was formulated using RAPD, ISSR and REMAP. For Heracleum sosnowskyi Manden., the average genetic diversity within the invasive population was similar (0.432), but slightly less (0.502) than within the native Caucasian population. This may suggest the successful naturalization of invaders and almost complete reconstruction of their genetic diversity. For Lupinus polyphyllus Lindl., the genetic diversity for the invasive population was the highest, with an average of 0.294, while for variety, it was the lowest, with an average of 0.194. The feral population had an intermediate place with an average of 0.248, which could suggest an increase of diversity in the process of naturalization.

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Introduced plants of Lupinus polyphyllus are larger but flower less frequently than conspecifics from the native range: Results of the first year

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 8 publications

References 45 publications

Introduced populations of the garden lupine are adapted to local generalist snails but have lost alkaloid diversity

Introduced populations of the garden lupine are adapted to local generalist snails but have lost alkaloid diversity

Risk of Invasive Lupinus polyphyllus Seed Survival in Biomass Treatment Processes

Genetic Diversity in Invasive Populations of Lupinus polyphyllus Lindl. and Heracleum sosnowskyi Manden.

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