Growth Trajectory Modeling for a Full-Sib Pedigree of Salix suchouenesis

Abstract:

In this study, we measured the growth increments periodically for 450 progeny in a fully sib family of the annually harvesting basket willow (S. suchouensis). By testing with different non-linear models of Logistic, Gompertz and Von Bertalanffy, results showed that the indices of fitness (R²) of these three models were all up to 0.95. However, the expected values obtained with Logistic and Gompertz models diverged significantly from the observed values at the beginning growth stage. By contrast, the expected value of Von Bertalanffy model fit well with the observed value through the whole growth season, and with the highest R² of 0.994. We established the ideal statistical model that can be used to track the dynamic changes in growth rates of a basket willow pedigree. This study provided essential information for learning the dynamic expression of genes underlying the dynamic growth rates for S. suchouensis.

• Periodical: Advanced Materials Research (Volume 773)
• Pages: 784-788
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.773.784
• Online since: September 2013
• Authors: Ying Nan Chen, Qiu Yue Ma, Ji Teng Qu, Xiao Gang Dai, Tong Ming Yin
• Keywords: Age, Biomass, Growth Curve, Salix suchouensis, Stem Height

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