Agronomic performance and energy potential of cassava varieties under Amazonian edaphoclimatic conditions

Authors

  • Marcos Antonio Correa Matos do Amaral Federal University of West Para/UFOPA, Juruti campus, 68170-000 Juruti, PA
  • João Marcos Batista de Souza Federal University of West Para/UFOPA, Juruti campus, 68170-000 Juruti, PA
  • Leonardo Viana da Silva Federal University of West Para/UFOPA, Juruti campus, 68170-000 Juruti, PA
  • Jéfferson de Oliveira Costa Minas Gerais Agricultural Research Agency/EPAMIG, Experimental Field of Gorutuba, 39525-000 Nova Porteirinha, MG
  • Eliandra de Freitas Sia Federal University of West Para/UFOPA, Institute of Biodiversity and Forests, 68040-255 Santarém, PA
  • Ellen Gabrielle Ileno de Sousa Federal University of West Para/UFOPA, Institute of Biodiversity and Forests, 68040-255 Santarém, PA
  • Diogo Guilherme Araújo Sá Federal University of West Para/UFOPA, Institute of Biodiversity and Forests, 68040-255 Santarém, PA
  • Greyce Kelly Tavares Correa Federal University of West Para/UFOPA, Juruti campus, 68170-000 Juruti, PA
  • Kelly Christina Ferreira Castro Federal University of West Para/UFOPA, Institute of Biodiversity and Forests, 68040-255 Santarém, PA
  • Lucieta Guerreiro Martorano zilian Agricultural Research Corporation/EMBRAPA, EMBRAPA Eastern Amazon, 68020-640 Santarém, PA

DOI:

https://doi.org/10.36253/ijam-2290

Keywords:

adaptability, Amazonian environments, bioenergy, Manihot esculenta Crantz, yield

Abstract

Cassava is a crop that stands out in the Amazon region of Brazil, due to its regional scope and substantial production at the national level. However, the average yield of cassava in Amazonian environments is still considered low. The introduction of new varieties and the development of appropriate techniques for the cultivation of cassava under the edaphoclimatic conditions of the Amazon can improve its yield in the region. The objective of this research was to evaluate the agronomic performance and energy potential of six cassava varieties (BRS Mari, BRS Poti, BRS Formosa, Manivão, Jurará and Coraci) cultivated under Amazonian edaphoclimatic conditions. The study was conducted in Juruti, PA, Brazil and a randomized block design was used, with six blocks and six treatments (varieties), totaling 36 experimental units. The agronomic performance was evaluated based on the emergence index (EI), survival index (SI), plant height (PH), stem diameter (SD), above-ground biomass (Yab), yield of storage roots (Ysr), and harvest index (HI). The energy potential was evaluated based on reducing sugars (RS) and total soluble sugars (TSS). All studied varieties presented satisfactory agronomic performances. The Jurará and Coraci varieties stood out in terms of EI and SI, with average values above 0.9. The Manivão variety showed the highest average values of PH and SD, 2.7 and 0.023 m, respectively, at the end of the evaluation period. The BRS Mari variety had the highest RS content among the studied varieties, while the BRS Formosa variety had the highest TSS, with average values of 2.91 and 2.66%, respectively. All varieties showed an HI above 50%, a Ysr amplitude between 15 and 26 Mg·ha-1, and a Yab between 8 and 21 Mg·ha-1, indicating good adaptation to Amazonian edaphoclimatic conditions.

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Published

2024-01-20

How to Cite

Correa Matos do Amaral, M. A., Marcos Batista de Souza, J., Viana da Silva, L., de Oliveira Costa, J., de Freitas Sia, E., Gabrielle Ileno de Sousa, E., Guilherme Araújo Sá, D., Kelly Tavares Correa, G., Christina Ferreira Castro, K., & Guerreiro Martorano, L. (2024). Agronomic performance and energy potential of cassava varieties under Amazonian edaphoclimatic conditions. Italian Journal of Agrometeorology, (2), 33–40. https://doi.org/10.36253/ijam-2290

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RESEARCH ARTICLES

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