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Vegetative rescue of Paratecoma peroba adult trees: Adventitious rooting of epicormic sprouts from detached branches
Rhizosphere ( IF 3.7 ) Pub Date : 2021-07-28 , DOI: 10.1016/j.rhisph.2021.100419
Renata de Deus Silva 1 , David Pessanha Siqueira 1 , Giovanna Campos Mamede Weiss de Carvalho 1 , Maria Kalyane Farias da Silva 1 , Deborah Guerra Barroso 1
Affiliation  

Cloning Paratecoma peroba mature trees from sprouts of detached older branches could be a step forward to conserve the species and select superior genotypes without using invasive methods in adult trees since the species is listed as highly endangered. We selected five mother trees and sprouts from detached branches were carried to a greenhouse under intermittent nebulization. One out of the five mother trees showed a 67 % survival percentage and rooted sprouts. The technique seems to be feasible for P. peroba clonal seedling production, but further investigations are needed as genetic factors appear to be the main drivers of adventitious rooting capability.



中文翻译:

Paratecoma peroba 成年树的营养拯救:从分离的树枝上不定根生根

由于该物种被列为高度濒危物种,因此在不使用侵入性方法的情况下,从分离的旧树枝的芽中克隆成熟的Paratecoma peroba树可能是保护物种和选择优良基因型的一步。我们选择了五棵母树,并在间歇雾化下将分离枝条上的芽带到温室中。五棵母树中的一棵显示出 67% 的存活率和生根芽。该技术似乎适用于P. peroba克隆幼苗生产,但需要进一步调查,因为遗传因素似乎是不定生根能力的主要驱动因素。

更新日期:2021-07-29
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