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Table 3 Plant growth-promoting activities of free-living rhizospheric fungi

From: Multifarious functional traits of free-living rhizospheric fungi, with special reference to Aspergillus spp. isolated from North Indian soil, and their inoculation effect on plant growth

Fungal isolates (n) Plant growth–promoting activities
IAA production PO4 solubilization Organic acids Siderophore NH3 Antibiotic production
Alternaria (2 isolates) 1 (50) 2 (100) 2 (100) 2 (100) 2 (100) ND
Aspergillus (20 isolates) 10 (50) 6 (30) 5 (25) 8 (40) 12 (60) 1 (5)
Chlamydospora (1) 1 (100) ND ND 1 (100) 1 (100) 1 (100)
Curvularia (9) 2 (22.2) 3 (33.3) ND 5 (55.5) 8 (88.8) 1 (11.1)
Fusarium (1) 1 (100) ND 1 (100) ND 1 (100) ND
Hormodendrum (1) 1 (100) 1 (100) ND 1 (100) 1 (100) ND
Mycellia sterillia (5) 4 (80) ND 1 (20) 2 (40) 5 (100) ND
Microsporum (2) 2 (100) 1 (50) ND ND 2 (100) ND
Monilia (2) ND ND ND ND 2 (100) ND
Monotospora (2) 1 (50) 1 (50) 1 (50) 2 (100) 2 (100) ND
Mucor (1) 1 (100) 1 (100) ND 1 (100) 1 (100) ND
Nigrospora (1) 1 (100) ND ND ND 1 (100) 1 (100)
Penicillium (3) 1 (33.3) 1 (33.3) ND 2 (66.6) 3 (100) ND
Rhizopus (2) 1 (50) ND 1 (50) ND 1 (50) ND
Trichoderma (2) 1 (50) 1 (50) 1 (50) 2 (100) 2 (100) ND
Trichophyton (2) 2 (100) 2 (100) ND ND 2 (100) ND
Trichothecium (1) 1 (100) ND 1 (100) 1 (100) 1 (100) 1 (100)
Verticillium (1) 1 (100) 1 (100) 1 (100) ND 1 (100) ND
Unidentified fungi (15) 12 (80) 5 (33.3) 6 (40) 8 (53.3) 13 (86.6) 3 (20)
Total number of fungal isolates (73)       
Total number (%) of positive isolates 44 (60.27) 25 (34.25) 19 (26.02) 35 (47.94) 61 (83.56) 8 (10.95)
  1. ND not detected
  2. In parenthesis, percentage of the number of isolates among the total positive fungal isolates is given.