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Bacillus sp. como promotor de crescimento em soja Bacillus sp.

Authors: Chagas Junior, Aloisio Freitas; Elias Borba; Albert Lennon Lima Martins; Manuella Costa Souza; Flávia Luane Gomes; Rodrigo Silva de Oliveira; Lillian França Borges Chagas;

Bacillus sp. como promotor de crescimento em soja Bacillus sp.

Abstract

As rizobactérias promotoras de crescimento em plantas tem ganho interesse espaço na agricultura mundial, como uma alternativa ao uso de defensivos agrícolas químicos. A soja, por ser um dos principais grãos exportados pelo Brasil, merece destaque em estudos deste âmbito. Desta forma, sementes de soja (Glycine max (L.) Merr.) foram inoculadas com Bacillus sp. objetivando-se avaliar a viabilidade desta rizobactéria como promotora de crescimento vegetal. Foram testados quatro tratamentos com diferentes doses de inoculante à base de Bacillus sp.: 100, 200, 300 e 400 mL de inoculante para 50 kg de sementes, com uma concentração de 1x108 UFC mL-1, mais uma testemunha sem inoculação. As avaliações foram feitas aos 30 e 45 dias após a semeadura (DAS). Aos 45 DAS, a altura da planta, comprimento radicular, massa seca da parte aérea, massa seca radicular e massa seca total foram estatisticamente superiores para todas as doses de inoculante aplicadas, quando comparadas à testemunha. O número de entrenós também aumentou significativamente nas diferentes doses de inoculante utilizadas, em comparação ao tratamento testemunha. A inoculação de sementes com Bacillus sp. apresentou-se como uma alternativa viável para promoção de crescimento em plantas de soja.

Revista de Ciências Agrárias, Vol. 44 N.º 2-3 (2021)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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