Application of beneficial rhizospheric microbes for the mitigation of seed-borne mycotoxigenic fungal infection and mycotoxins in maize
作者： Mohammed Aiyaz , Shetty Thimmappa Divakara , Siddaiah Chandra Nayaka , Puttaswamy Hariprasad , Siddapura Ramachandrappa Niranjana
DOI: 10.1080/09583157.2015.1020760
关键词:
摘要: In the present investigation, seven rhizobacteria and nine Trichoderma spp. were evaluated to suppress seed-borne mycotoxigenic fungi (Aspergillus flavus Fusarium verticillioides) mycotoxin (aflatoxin fumonisin) improve planting value of maize. Under in vitro conditions, these beneficial microorganisms suppressed growth A. F. verticillioides various extents. Bacillus sp. (Bsp 3/aM), Pseudomonas putida (Has 1/c), asperellum (M5) T. (T2) exhibited greatest antagonistic effect on fungi, subsequently reduced concentrations seeds. greenhouse four biocontrol strains also found increase root length, shoot % germination, vigour index, fresh weight dry seedlings. Considering their overall performances, Bsp 3/aM, Has 1/c, M5 T2 selected for field studies as microbial talcum formulations. Among tested formulations, strain 3/aM significantly increased yield by 9.4% 6.2% over control two maize cultivars Hema Pearl, respectively. Increased plant was correlated with nutrient uptake both cultivars. All formulation recorded (p ≤ 0.05) infection aflatoxin contamination harvested But, none formulations significant reducing verticilliodes incidence fumonisin contamination. Our findings indicate that antagonists indirectly host health suppressing directly facilitating uptake, thereby revealing potential biofertilisers biopesticides production.
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