GROWTH RHYTHMS OF THREE Ormosia SPECIES SEEDLINGS OF DIFFERENT PROVENANCES

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Keywords:

Height growth, Logistic equation, Ormosia henryi

Abstract

The superior provenance is a prerequisite for ecological restoration, and a better mastery on the growth rhythms of Ormosia species is fundamental to reforest effectively. For the selection of better provenance and the formulation of artificial cultivation methods, the height and the ground diameter of Ormosia hosiei Hemsl. et Wils., O. xylocarpa Chun ex L. Chen and O. henryi Prain seedlings of different provenances were monitored in the first year. The results showed that their dynamic growths presented a slow-fast-slow trend that fit a “S” growth curve by the logistic mathematical model, and the growth of Ormosia species seedlings of different provenances significantly differed. The accumulated growth increment of O. xylocarpa was the largest (averagely 45.50 cm) and the accumulated growth increment of O. henryi was the least (averagely 20.33 cm). Thus, O. hosiei of Jiujiang provenance, O. xylocarpa of Liping provenance and O. henryi of Longquan provenance have a stronger adaptability for future artificial cultivation in Jiangxi China.

Keywords: Height growth; Logistic equation; Ormosia henryi

 

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Published

2020-04-22

How to Cite

Jia, Q., Deng, H., Mo, X., & Liu, L. (2020). GROWTH RHYTHMS OF THREE Ormosia SPECIES SEEDLINGS OF DIFFERENT PROVENANCES. Revista Árvore, 43(06), https://doi.org/10.1590/1806–90882019000600006. Retrieved from https://revistaarvore.ufv.br/rarv/article/view/227999

Issue

Revista Árvore, Viçosa-MG, v.43, n.6, 2019

Section

Silviculture

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