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Article

Assessment of Andean lupin (Lupinus mutabilis) Genotypes for Improved Frost Tolerance

1
Department of Plant Sciences, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania
2
Department of Pedotechnics, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania
3
Department of Breeding & Innovative Production Chains, Louis Bolk Institute, 3981 AJ Bunnik, The Netherlands
4
Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
*
Author to whom correspondence should be addressed.
Academic Editors: Gianluca Caruso, László Baranyai and Vasile Stoleru
Agriculture 2021, 11(2), 155; https://doi.org/10.3390/agriculture11020155
Received: 27 January 2021 / Revised: 7 February 2021 / Accepted: 9 February 2021 / Published: 13 February 2021
Spring frost poses a challenge for all major crops and, in the case of Lupinus mutabilis (Andean lupin) can cause severe damage or even total loss of the crop. Within the LIBBIO project consortium, we conducted a series of experiments in order to develop a suitable protocol for screening lupin germplasm under frost-simulation conditions. Four lupin accessions, one Lupinus albus and three Andean lupins were used in the experiments (L. albus Mihai, L. mutabilis LIB 220, LIB 221, LIB 222). Seedlings at four developmental stages were challenged with five different levels of ‘frost’ stress from low (−2 °C) to high (−10 °C). Notably, young seedling (cotyledons just breaking through the soil surface) showed little evidence of frost damage for temperatures down to −6 °C. At −8 °C, however, damage was evident, suggesting a cold tolerance threshold occurs at this temperature. Interestingly, for later developmental stages, when the first and second leaves were visible, notable differences were observed starting at −6 °C. The results indicate that the plant growth stage is an important parameter when screening for frost tolerance in germplasm. Overall, by identifying Andean lupin genotypes adapted to high abiotic stress factors, farmers will be able to use it as a reference crop with potentially a commercial interest from the food sector, or cosmetics, and biofuel industries. View Full-Text
Keywords: Andean lupin; L. albus; L. mutabilis; abiotic stress; frost tolerance Andean lupin; L. albus; L. mutabilis; abiotic stress; frost tolerance
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MDPI and ACS Style

Simioniuc, D.P.; Simioniuc, V.; Topa, D.; van den Berg, M.; Prins, U.; Bebeli, P.J.; Gabur, I. Assessment of Andean lupin (Lupinus mutabilis) Genotypes for Improved Frost Tolerance. Agriculture 2021, 11, 155. https://doi.org/10.3390/agriculture11020155

AMA Style

Simioniuc DP, Simioniuc V, Topa D, van den Berg M, Prins U, Bebeli PJ, Gabur I. Assessment of Andean lupin (Lupinus mutabilis) Genotypes for Improved Frost Tolerance. Agriculture. 2021; 11(2):155. https://doi.org/10.3390/agriculture11020155

Chicago/Turabian Style

Simioniuc, Danut P., Violeta Simioniuc, Denis Topa, Merlijn van den Berg, Udo Prins, Penelope J. Bebeli, and Iulian Gabur. 2021. "Assessment of Andean lupin (Lupinus mutabilis) Genotypes for Improved Frost Tolerance" Agriculture 11, no. 2: 155. https://doi.org/10.3390/agriculture11020155

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