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Table 3 Biochemical characterization of selected PGPR isolates from wheat rhizosphere. + Positive, − negative test

From: Identification of multi-trait PGPR isolates and evaluating their potential as inoculants for wheat

 

Isolate

Test

AW1

AW2

AW3

AW4

AW5

AW6

AW7

AW8

AW9

AW10

Gram’s staining

+

-

+

-

-

+

-

-

-

-

Motility

+

+

+

+

+

+

+

+

+

+

Oxidase

+

+

+

-

-

+

+

+

+

+

Catalase

+

+

+

+

+

+

+

+

+

Endospore formation

+

-

+

-

-

+

-

-

-

-

Indole production

-

-

-

+

+

-

-

+

-

-

Methyl red

-

-

-

+

+

-

-

-

-

-

Voges proskauer’s

-

-

-

-

-

-

-

-

-

-

Citrate utilisation

+

+

+

+

+

+

-

+

+

+

Casein hydrolysis

+

+

+

+

+

+

-

+

-

+

Starch hydrolysis

+

+

-

+

+

+

+

+

+

+

Fluorescent pigment production

-

-

-

-

+

-

-

-

-

+

H2S production

-

-

-

-

-

-

-

+

-

+

Gelatin hydrolysis

-

-

-

-

+

-

-

+

-

-

Urease

-

-

-

-

-

+

+

+

+

+

Fat hydrolysis

+

+

+

+

-

-

+

+

-

-

Lysine decarboxylase

+

-

+

+

-

-

-

-

-

-

Nitrate reduction

+

+

+

+

+

+

-

+

+

+

Oxidative/fermentative

+

+

+

Fa

F

-

-

+

-

-

  1. aFermentative