Effects of Site, Genotype and Subsequent Harvest Rotation on Willow Productivity

Mariusz Jerzy Stolarski, Michał Krzyżaniak, Dariusz Załuski, Józef Tworkowski and Stefan Szczukowski
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Mariusz Jerzy Stolarski: Department of Plant Breeding and Seed Production, Faculty of Environmental Management and Agriculture, Centre for Bioeconomy and Renewable Energies, University of Warmia and Mazury in Olsztyn (UWM), Plac Łódzki 3, 10-724 Olsztyn, Poland
Michał Krzyżaniak: Department of Plant Breeding and Seed Production, Faculty of Environmental Management and Agriculture, Centre for Bioeconomy and Renewable Energies, University of Warmia and Mazury in Olsztyn (UWM), Plac Łódzki 3, 10-724 Olsztyn, Poland
Dariusz Załuski: Department of Plant Breeding and Seed Production, Faculty of Environmental Management and Agriculture, Centre for Bioeconomy and Renewable Energies, University of Warmia and Mazury in Olsztyn (UWM), Plac Łódzki 3, 10-724 Olsztyn, Poland
Józef Tworkowski: Department of Plant Breeding and Seed Production, Faculty of Environmental Management and Agriculture, Centre for Bioeconomy and Renewable Energies, University of Warmia and Mazury in Olsztyn (UWM), Plac Łódzki 3, 10-724 Olsztyn, Poland
Stefan Szczukowski: Department of Plant Breeding and Seed Production, Faculty of Environmental Management and Agriculture, Centre for Bioeconomy and Renewable Energies, University of Warmia and Mazury in Olsztyn (UWM), Plac Łódzki 3, 10-724 Olsztyn, Poland

Agriculture, 2020, vol. 10, issue 9, 1-17

Abstract: Perennial crops harvested in short rotations provide substantial amounts of biomass. This study determined the survival rate, biometric features and yield of fresh and dry biomass of 15 willow genotypes (including seven varieties and eight clones), cultivated at two different sites in two consecutive three-year harvest rotations. The study revealed the very high impact of the genotype (81% of the total variance) on the willow yield. The harvest rotation, along with the genotype, had a significant impact on the plant survival rate and the number of shoots per stool. Willow biomass was mainly affected by the plant height, its survival rate and shoot diameter. The significantly highest fresh (106 Mg ha −1 ) and dry biomass yield (54.0 Mg ha −1 ) was obtained from the ?ubr variety of S. viminalis , which distinguished this variety from the other genotypes. The mean yield for the best three and five genotypes was 13% and 17% lower, respectively, and the mean yield for the whole experiment was 37% lower compared to the mean yield of the best variety (?ubr). Therefore, the choice of a willow genotype is of key importance for successful willow production.

Keywords: Salix; genoype × site interaction; survivability; biometric features; plant height; fresh biomass yield; dry biomass yield (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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