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

Danut Petru Simioniuc, Violeta Simioniuc, Denis Topa, Merlijn van den Berg, Udo Prins, Penelope J. Bebeli and Iulian Gabur
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Danut Petru Simioniuc: Department of Plant Sciences, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania
Violeta Simioniuc: Department of Plant Sciences, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania
Denis Topa: Department of Pedotechnics, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania
Merlijn van den Berg: Department of Breeding & Innovative Production Chains, Louis Bolk Institute, 3981 AJ Bunnik, The Netherlands
Udo Prins: Department of Breeding & Innovative Production Chains, Louis Bolk Institute, 3981 AJ Bunnik, The Netherlands
Penelope J. Bebeli: Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
Iulian Gabur: Department of Plant Sciences, “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, 700490 Iasi, Romania

Agriculture, 2021, vol. 11, issue 2, 1-10

Abstract: 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.

Keywords: Andean lupin; L. albus; L. mutabilis; abiotic stress; frost tolerance (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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