DORMANCY OVERCOMING OF Parkia gigantocarpa (FABACEAE - MIMOSIDAE) SEEDS

被引：0
|
作者：
Morbeck de Oliveira, Ademir Kleber [1 ]
Ferreira Ribeiro, Jonathan Wesley [2 ]
Lacerda Pereira, Kelly Cristina [2 ]
Rondon, Eliazel Vieira [1 ]
Andrade Becker, Thiago Jose [2 ]
Barbosa, Luciene Andrade [1 ]
机构：
[1] Univ Anhanguera Uniderp, Programa Posgrad Meio Ambiente & Desenvolvimento, BR-79037280 Campo Grande, MS, Brazil
[2] Univ Anhanguera, Curso Ciencias Biol, BR-79037280 Campo Grande, MS, Brazil
来源：
CIENCIA FLORESTAL | 2012年 / 22卷 / 03期
关键词：
forest species; native seed; faveira;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
This paper aimed to determine the best dormancy overcoming methods for Parkia gigantocarpa Ducke seeds and their influence on seedlings quality. The seeds were submitted to the following methods: immersion in boiling water for 10 minutes; acid scarification, in which the seeds were immersed in sulfuric acid (H2SO4) 98% for 5, 10, 20, 30 and 40 minutes; mechanical scarification, with sandpaper for 15 seconds, and control (no treatment). The seedling quality was evaluated through primary root dry matter. Experiment was entirely random designed, with eight methods. Evaluating all the parameters, the acid scarification, for 30 and 40 minutes, showed the best dormancy overcoming results to the species, providing better vigor into germination and greater biomass allocation mean values to primary root.
引用
收藏
页码：533 / 540
页数：8
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