Primary and secondary yield components of the oil in physic nut (Jatropha curcas L.)

被引：26
|
作者：
Spinelli, Victor Mouzinho
Rocha, Rodrigo Barros [1 ]
Ramalho, Andre Rostand [1 ]
Marcolan, Alaerto Luiz [1 ]
Vieira Junior, Jose Roberto [1 ]
Fernandes, Cleberson de Freitas [1 ]
Linhares Teixeira Militao, Julio Sancho
dos Santos Dias, Luiz Antonio [2 ]
机构：
[1] Empresa Brasileira Pesquisa Agropecuaria, Ctr Pesquisa Agroflorestal Rondonia, BR-76815800 Porto Velho, RO, Brazil
[2] Univ Fed Vicosa, Dept Fitotecnia, Vicosa, MG, Brazil
来源：
CIENCIA RURAL | 2010年 / 40卷 / 08期
关键词：
Jatropha curcas L; path analysis; oil yield; GROWTH;
D O I：
10.1590/S0103-84782010005000129
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The definition of the most suitable plant selection criteria is especially important for Jatropha curcas L. as subsidies the genetic progress estimates and the ideotype characterization, described in terms of the traits that are thought to enhance genetic yield potential. The objective of this study was to estimate the direct and indirect effects of seven vegetative traits and four seed quality traits on J. curcas oil yield. The traits grain yield and the weight of the nuts showed direct and positive effect on the oil yield. The tree volume showed the major indirect and positive effect on the main variable through grain yield. The development off. curcas with higher oil yield in the evaluated population has to consider the selection of plants with higher yield and tree volume, maintaining the variability of the grain quality traits.
引用
收藏
页码：1752 / 1758
页数：7
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