STUDY ALLELOPATHIC EFFECTS OF METHANOL EXTRACTS OF ROOT AND STEM OF Caryocar brasiliense Camb. (PEQUI)

被引：0
|
作者：
Andrade Rezende, Glaucia Aparecida [1 ]
Hernandez Terrones, Manuel Gonzalo [1 ]
Lamounier Camargos Rezende, Douglas Messias [2 ]
机构：
[1] Univ Fed Uberlandia, Inst Quim, BR-38400 Uberlandia, MG, Brazil
[2] Fac Santa Rita de Cassia, Itumbiara, Go, Brazil
来源：
BIOSCIENCE JOURNAL | 2011年 / 27卷 / 03期
关键词：
Pequi (Caryocar brasiliense Camb.); Allelopatic activity; Allelopatic herbicides; ALLELOCHEMICALS;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The methanolic stem and root's extracts were tested in order to certificate their herbicide potential in germination test, which analyzed germination rate, stem and root's length of Panicum maximum weeds. It was observed that the both extracts, of stem and root. The both extract presented herbicide potentials and the root's extract were better than stem's extract. The hexanic fraction and the subfractions 8, 11 e 13 ( extracted from acetate/methanol 7: 3) also presented inhibition. The recognition of secondary metabolites' tests showed the presence of alkaloids, volatile coumarins, flavonoids and condensed tannins in the hexanic fraction and 8, 11 e 13 subfractions, respectively. In all of them, it was found saponins too. The herbicide activity of root and stem extracts, their fractions and subfractions were associated of synergy phenomenon among the compounds were there.
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页码：460 / 472
页数：13
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