DRY MASS PARTITIONING AND GRAIN YIELD OF COWPEA PLANTS INOCULATED WITH RHIZOBIA IN GURUPI, TO

被引：0

作者：

Siriano Borges, Paulo Rogerio ^{[1
]}

Cunha Saboya, Rita de Cassia ^{[2
]}

Falle Saboya, Luciano Marcelo ^{[3
]}

dos Santos, Elonha Rodrigues ^{[4
]}

Alves de Souza, Shara Emanuella ^{[5
]}

机构：

[1] Univ Fed Lavras, Dept Ciencia Alimentos, BR-37200000 Lavras, MG, Brazil

[2] Embrapa Cerrados, BR-70910900 Brasilia, DF, Brazil

[3] UFT, CUG, Dept Irrigacao, BR-77402970 Gurupi, TO, Brazil

[4] Univ Brasilia UnB, Programa Posgrad Agron, BR-70910900 Brasilia, DF, Brazil

[5] Univ Fed Tocantins, CUG, UFT, BR-77402970 Gurupi, TO, Brazil

来源：

REVISTA CAATINGA | 2012年 / 25卷 / 01期

关键词：

Vigna unguiculata; Cerrado; Tocantins; Strains; N-2; Fixation; AGRONOMIC EFFICIENCY; STRAINS; CERRADO;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The aim of this paper was to evaluate the contribution of different strains of rhizobia in the distribution of dry material and grain yield in cowpea plants, grown in cerrado in the state of Tocantins. The experiment was conducted in 2007/2008 season in cerrado in Gurupi, TO. Five treatments were studied with strains BR3301, BR3302, BR3267, BR3299 and BR3262 and treatment as a control (no inoculation and fertilizer). Plants were collected at 15, 25, 35, 45, 55 and 65 days after emergence (DAE) to determine the distribution of dry mass of leaves, stems, flowers and pods and the weight ratio of plant parts. Grain yield was determined at harvest as grain moisture reached 13%. We established the Pearson correlation coefficient of variables. The witness and BR3299 treatments promoted greater dry mass of plants at 65 DAE. The highest yield was obtained by the witness and BR3267. Further study is needed on the selection of strains of nitrogen-fixing bacteria in cowpea under various soil and climate in the state of Tocantins.

引用

页码：37 / 44

页数：8

共 7 条

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