Selection of Superior Senna macranthera Seeds, Carbon Stock, and Seedling Survival, and Costs for Habitat Restoration

Joyce de Oliveira Araújo (), Daniel Teixeira Pinheiro, Geovana Brito Queiroz, Júlia Martins Soares, Aaron Kinyu Hoshide, Vicente Toledo Machado de Morais Junior, Samuel José Silva Soares da Rocha and Denise Cunha Fernandes dos Santos Dias
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Joyce de Oliveira Araújo: Agronomy Department, Laboratory of Seed Analysis, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
Daniel Teixeira Pinheiro: Agronomy Department, Laboratory of Seed Analysis, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
Geovana Brito Queiroz: Agronomy Department, Laboratory of Seed Analysis, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
Júlia Martins Soares: Agronomy Department, Laboratory of Seed Analysis, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
Aaron Kinyu Hoshide: College of Natural Sciences, Forestry and Agriculture, The University of Maine, Orono, ME 04469, USA
Vicente Toledo Machado de Morais Junior: Brandt Meio Ambiente LTDA, Alameda do Ingá, 89, Vale do Sereno, Nova Lima 34006-042, MG, Brazil
Samuel José Silva Soares da Rocha: Departamento de Ciências Florestais, Universidade Federal de Lavras, Lavras 37200-900, MG, Brazil
Denise Cunha Fernandes dos Santos Dias: Agronomy Department, Laboratory of Seed Analysis, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil

Sustainability, 2023, vol. 15, issue 13, 1-17

Abstract: Conservation and recovery of degraded areas generate great demand for seeds of native tree species. The development and/or improvement of efficient techniques for the evaluation of forest-seed quality is important for the production and establishment of high-quality seedlings for restoration. In this study, the tissue density of radiographic images of Senna macranthera seeds was related to their physiological quality. Moreover, biomass, carbon stock, seedling survival, and X-ray technique costs were estimated for S. macranthera . Collected seeds were analyzed using digital radiography to measure relative and integrated density. The physical integrity of seed tissues was visually evaluated. Seeds were then germination tested to assess seedling development-related traits. Semiautomated radiography allowed for visualizing internal seed structures and observing their density and physical-integrity differences as well as physiological quality. Moreover, seed lots with lower relative and integrated densities had more physical damage and/or malformation, thus producing less vigorous seedlings. The average carbon stock was 21.42 kg per tree. The seed selection cost was USD 0.0132/seed at an 81% germination rate. The annual cost of planting S. macranthera seedlings was USD 7500 per hectare during the establishment year and averaged USD 1562 per year for replanting lost transplants over the eight years after initial planting. Applying these techniques may enhance the seedling production of this species, contributing to reforestation programs in Brazil.

Keywords: biomass; forest species; integrity; semiautomated analysis; Senna macranthera; X-rays (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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