Allometric models to estimate the volume of Guazuma crinitain forest plantations

Revilla-Chávez, Jorge Manuel; Abanto-Rodriguez, Carlos; Arévalo, Wilson F. Guerra; García-Soria, Diego; Arévalo, Héctor Guerra; Torrejón, Gilberto Domínguez; Carmo, I. L. G. da S.

doi:10.17268/sci.agropecu.2021.003

Sci. agropecu

2021

DOI: 10.17268/sci.agropecu.2021.003

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Allometric models to estimate the volume of Guazuma crinitain forest plantations

Jorge Manuel Revilla-Chávez

Carlos Abanto-Rodriguez

Wilson F. Guerra Arévalo

et al.

Abstract: Allometric models to estimate the volume of Guazuma crinita in forest plantations Modelos alométricos para estimar el volumen de madera de Guazuma crinita en plantaciones forestales

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Cited by 4 publications

References 7 publications

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Allometric models of biomass and essential oils of Aniba rosaeodora Ducke in a tropical middle terrace soil forest of Masisea, Ucayali, Peru

Revilla-Chávez,

Sáenz-Ramírez,

Gonzales-Alvarado

et al. 2024

Trees, Forests and People

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Allometric models of biomass and essential oils of Aniba rosaeodora Ducke in a tropical middle terrace soil forest of Masisea, Ucayali, Peru

Revilla-Chávez,

Sáenz-Ramírez,

Gonzales-Alvarado

et al. 2024

Trees, Forests and People

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Soil characteristics and allometric models for biometric characteristics and nutrient amounts for high yielding “Bolaina” (Guazuma crinita) trees

Arévalo-Hernández,

Arévalo-Gardini,

Correa V.

et al. 2024

Sci Rep

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The Peruvian amazon is very diverse in native forestry species, the Guazuma crinita “Bolaina” being one of the most planted species in the country; however, little or no information about soil requirements and nutrient demands is known. The objective of this work was to assess the general conditions of soil fertility, biomass and macro- and micronutrient amounts in high-productivity Guazuma crinita plantations. Fields of high yielding Bolaina of different ages (1–10 years) were sampled in two regions. Soil and plant samples were collected in each field and biometric measurements of fresh weight, diameter at breast height and height were performed. For soil and plant analysis, both macro- (N, P, K, Ca, Mg, S) and micronutrients (B, Cu, Fe, Mn, Zn) were determined. Finally, allometric equations were constructed for biometric and nutrient amounts. This study is the first to assess and model macro- and micronutrient amounts in the productive cycle in this species, which grows in fertile soils. In the case of biometric equations, the logarithmic and logistic models performed better. For nutrient amounts, this species followed a pattern of Ca > N > K > P > S > Mg for macronutrients and Fe > B > Mn > Zn > Cu for micronutrients. The best prediction models for nutrients were the square root and logistic models.

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Productivity, adaptability, and stability in Guazuma crinita progeny tests across three environments in the Aguaytia River Basin, Ucayali, Perú

et al. 2022

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Guazuma crinita is a fast-growing tree with potential for use in agroforestry systems, due to its rapid wood production, which can contribute significantly to the livelihoods of small-scale farmers in the Peruvian Amazon. However, indiscriminate logging due to high demand is leading to the disappearance of natural forests. As such, the International Council for Research in Agroforestry (ICRAF) began a domestication program to reduce pressure on natural populations of the species. The objective of the present study was to use analyses of genetic parameters, adaptability (PRVG), productivity (MHPRVG), and stability (MHVG), to select G. crinita genotypes from a three-year-old progeny test established in the Aguaytía River Basin, in Ucayali, Peru. The test was established in three different sites, with three blocks, 200 progeny per block, and two individuals per plot. The measured traits were diameter at breast height (DBH), total height (H), and total aerial biomass (B). Significant differences in traits between progenies were detected, but with no genotype x environment interaction (GxE). However, the genotypic correlation among sites was important (> 0.702), suggesting that genetic improvement is possible by selecting the same progeny across sites. The mean heritability among progenies was moderate for all traits (0.34–0.369) and selective precision through combined site analysis was relatively high (0.583–0.608). Based on selection for DBH through combined analysis, MHVG, PRVG, and MHPRVG, 50 superior progenies (25.9 %) were identified for all environments. These should be prioritized in breeding programs as they can offer stable genetic variability for future selection cycles.

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Allometric models to estimate the volume of Guazuma crinitain forest plantations

Abstract: Allometric models to estimate the volume of Guazuma crinita in forest plantations Modelos alométricos para estimar el volumen de madera de Guazuma crinita en plantaciones forestales

Cited by 4 publications

References 7 publications

Allometric models of biomass and essential oils of Aniba rosaeodora Ducke in a tropical middle terrace soil forest of Masisea, Ucayali, Peru

Allometric models of biomass and essential oils of Aniba rosaeodora Ducke in a tropical middle terrace soil forest of Masisea, Ucayali, Peru

Soil characteristics and allometric models for biometric characteristics and nutrient amounts for high yielding “Bolaina” (Guazuma crinita) trees

Productivity, adaptability, and stability in Guazuma crinita progeny tests across three environments in the Aguaytia River Basin, Ucayali, Perú

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