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Phosphate solubilizing bacteria: Assessment of their effect on growth promotion and phosphorous uptake of mung bean (Vigna radiata [L.] R. Wilczek)

dc.creatorCharana Walpola,Buddhi
dc.creatorYoon,Min-Ho
dc.date2013-09-01
dc.date.accessioned2019-04-24T21:19:43Z
dc.date.available2019-04-24T21:19:43Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-58392013000300010
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/55787
dc.descriptionThe aim of this work was to isolate phosphate solubilizing bacteria (PSB) and assess their effect on the growth of mung bean (Vigna radiata [L.] R. Wilczek) plants. Of 31 isolated PSB strains, two efficient strains, identified as Pantoea agglomerans (PSB-1) and Burkholderia anthina (PSB-2), were employed in further studies. Maximum P solubilization (720.75 µg mL-1) was recorded from the cultures co-inoculated with P. agglomerans and B. anthina. A strong positive correlation was found between pH and soluble P concentration in the medium, as well as between titratable acidity and P solubilization. Both strains under greenhouse conditions remarkably enhanced shoot and root length, shoot and root dry matter, and P uptake of mung bean plants. Growth was found to be further improved by adding tricalcium phosphate (TCP) with PSB inoculation. Co-inoculation of both PSB strains and adding TCP exhibited the highest growth performances and P uptake of mung bean plants; this implies that their applicability as a promising alternative to minimize the P problem in agricultural soils.
dc.formattext/html
dc.languageen
dc.publisherInstituto de Investigaciones Agropecuarias, INIA
dc.relation10.4067/S0718-58392013000300010
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceChilean journal of agricultural research v.73 n.3 2013
dc.subjectBurkholderia anthina
dc.subjectco-inoculation
dc.subjectPantoea agglomerans
dc.subjectphosphate solubilization
dc.subjecttricalcium phosphate
dc.subjectVigna radiata
dc.titlePhosphate solubilizing bacteria: Assessment of their effect on growth promotion and phosphorous uptake of mung bean (Vigna radiata [L.] R. Wilczek)


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