Allelopathic potential of Cyperus rotundus L. extracts on germination and cowpea seedling establishment

被引：0
|
作者：
Ferreira Pereira, Joao Alves [1 ,2 ]
da Silva, Tatiana Maria [1 ,2 ]
Barbosa de Farias, Andreza Raquel [1 ,2 ]
de Oliveira, Alexandre Bosco [1 ,2 ]
机构：
[1] Univ Fed Ceara, Programa Posgrad Agron Fitotecnia, Fortaleza, CE, Brazil
[2] Univ Fed Ceara, Dept Fitotecnia, Fortaleza, CE, Brazil
来源：
NATIVA | 2018年 / 6卷 / 03期
关键词：
nut grass; allelopathy; interference; weeds;
D O I：
10.31413/nativa.v6i3.4708
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
This study aimed to investigate the allelopathic effects of Cyperus rotundus L. extracts on seed germination and early development of seedlings of Vigna unguiculata L. Walp. Alcoholic extracts at concentrations of 0, 1.5%, 3%, 4.5%, 6.0%, 7.5%, and 9.0% were obtained by crushing C. rotundus L. leaves used to moisten the "germitest" paper sheets. The data were subjected to analysis of variance and also both Tukey and Kruscal-Wallis tests were carried out at 5% for the data means. The first germination count, germination speed index, root length, shoot length, and dry root weight of cowpea were parametrically analyzed. The only variable with significance was first germination count. The germination reducted in relation to the control treatment around 10%. Thus, in the conditions used in this research, alcoholic extracts of C. rotundus L. did not affect either seed germination or early growth of cowpea seedlings.
引用
收藏
页码：261 / 265
页数：5
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