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- Title
Efeito dos ácidos húmicos na inoculação de bactérias diazotróficas endofíticas em sementes de milho.
- Authors
da Conceição, Patricia Marluci; Vieira, Henrique Duarte; Canellas, Luciano Pasqualoto; Olivares, Fábio Lopes; da Conceição, Priscila Soraia
- Abstract
The objective of this research was to evaluate the effect of the humic acids in the inoculation of endophytic diazotrophic bacteria in corn seeds. It was used the bacteria Herbaspirillum seropedicae Z67 BR 11175. The inoculation of the seeds with the bacteria and the addition of humic acids were accomplished by the coating of the corn seeds UENF 506-8. The coating was accomplished with a mixture of lime, semi-solid middle culture, water and cement. The seeds covered were sown in Leonard vases. Forty days after sowing the plants were collected and the bacteria couting was accomplished in the roots by the Most probable Number technique. The results showed that the humic acids doesn't interfere negatively in the bacteria growth of and they stimulate the colonization of the native microbiota. However, in the appraised conditions, the united application of bacteria + humic acids didn't stimulate the growth of the bacteria population inoculated in the corn seedling.
- Subjects
CORN seeds; HUMIC acid; ORGANIC acids; HUMIC acid content of soils; ENDOPHYTES; SOIL inoculation; BACTERIAL growth; AGRICULTURAL education; SEEDLINGS
- Publication
Ciência Rural, 2009, Vol 39, Issue 6, p1880
- ISSN
0103-8478
- Publication type
Article