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Article

Effect of Low Temperature on Germination, Growth, and Seed Yield of Four Soybean (Glycine max L.) Cultivars

1
Department of Breeding, Plant Physiology and Seed Science, University of Agriculture, Podłużna 3, 30-239 Kraków, Poland
2
Polish Academy of Sciences, The Franciszek Górski Institute of Plant Physiology, Niezapominajek 21, 30-239 Kraków, Poland
*
Author to whom correspondence should be addressed.
Academic Editors: Jose Maria Barrero and Valeria Cavallaro
Agronomy 2021, 11(4), 800; https://doi.org/10.3390/agronomy11040800
Received: 2 March 2021 / Revised: 9 April 2021 / Accepted: 16 April 2021 / Published: 18 April 2021
(This article belongs to the Special Issue Frost Tolerance and Cold Acclimation of Crops)
During germination at low temperatures, seeds rich in proteins may experience damage to their cytoplasmic membranes. The study aimed to investigate the influence of the germination temperature on growth, development, and yield of four cultivars of soybean, a typical thermophilic species. The seeds were germinated at 10, 15, and 25 °C in the dark. After 48 h, one part of the seeds was analyzed for their amylase and dehydrogenase activity, cell membrane permeability, and germination vigor. The other part was transferred into soil and cultivated up to yielding. Chlorophyll fluorescence, fresh (FW) and dry weight (DW) of shoots, pod and seed number, and seed DW were analyzed. The plants of cvs. ‘Abelina’, ‘Malaga’, and ‘Merlin’, germinating at low temperature, produced the highest number of seeds. Seed number negatively correlated with their DW and positively with the number of active reaction centers (RC/CSm) in all cultivars. In cvs. ‘Abelina’ and ‘Malaga’, the number of seeds also positively correlated with the index performance of photosystem II (PSII), which was the highest in all plants germinating at low temperature. We suggest cultivating cv. ‘Abelina’ in cooler regions, while cvs. ‘Petrina’ and ‘Malaga’ in warmer areas. View Full-Text
Keywords: amylase; chlorophyll fluorescence; cold; dehydrogenases; ion leakage; seed germination; soybean cultivars amylase; chlorophyll fluorescence; cold; dehydrogenases; ion leakage; seed germination; soybean cultivars
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MDPI and ACS Style

Szczerba, A.; Płażek, A.; Pastuszak, J.; Kopeć, P.; Hornyák, M.; Dubert, F. Effect of Low Temperature on Germination, Growth, and Seed Yield of Four Soybean (Glycine max L.) Cultivars. Agronomy 2021, 11, 800. https://doi.org/10.3390/agronomy11040800

AMA Style

Szczerba A, Płażek A, Pastuszak J, Kopeć P, Hornyák M, Dubert F. Effect of Low Temperature on Germination, Growth, and Seed Yield of Four Soybean (Glycine max L.) Cultivars. Agronomy. 2021; 11(4):800. https://doi.org/10.3390/agronomy11040800

Chicago/Turabian Style

Szczerba, Anna, Agnieszka Płażek, Jakub Pastuszak, Przemysław Kopeć, Marta Hornyák, and Franciszek Dubert. 2021. "Effect of Low Temperature on Germination, Growth, and Seed Yield of Four Soybean (Glycine max L.) Cultivars" Agronomy 11, no. 4: 800. https://doi.org/10.3390/agronomy11040800

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