Seed treatment with rhizobacteria the onion production

Seed treatment with rhizobacteria the onion production

2009

E01980

Plant association with benefic rhizobacteria can enhance plant growth and diseases biocontrol, reducing production costs and environment pesticides impact. Theexperiment was carried out at the Experimental Station of the Epagri, Ituporanga, State of Santa Catarina, Brazil in 2007 to evaluate the effect of microbiolization with rhizobacteria on onion seed ’Bola Precoce’ in plants development and bulb yield. The rhizobacteria Pseudomonas spp. (W1, W2, W5, W6), Bacillus megaterium (W7, W19), Pseudomonas alcaligenes (W15), Paenibacillus polymyxa (W18), Bacillus cereus (UFV040), Pseudomonas putida (UFV 043), were used as inoculants and compared with non treated check. There was influence of rhizobacteria tested on the onion development. The treatment with Pseudomonas spp. (W6) and Bacillus cereus (UFV40) showed significantly increased bulb yield. Yield increases by the rhizobacteria varied from 3% to 48%. Rhizobacteria are promising as bioinoculant, for use in onion production.

v.39(9):2533-2538, CIENCIA RURAL

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