Efficacy of certain agrochemicals on Aspergillus spp. and subsequent aflatoxin production in rice
2009
Reddy, K.R.N. | Reddy, C.S. | Muralidharan, K.
Efficacy of certain fungicides and non-conventional chemicals against Aspergillus spp. contamination and subsequent aflatoxin production in rice was investigated. Among the 10 fungicides tested, carbendazim, contaf plus, folicur, propiconazole and saaf completely inhibited the growth of all Aspergillus spp. and aflatoxin B1 (AFB1) production at 1 g or ml/kg concentration. Of the five non-conventional chemicals tested, benzoic acid effectively inhibited the mycelial growth of Aspergillus flavus (72%) at 4 g/kg, completely inhibited the Aspergillus parasiticus and Aspergillus niger even at 1 g/kg and Aspergillus ochraceus at 4 g/kg concentration. Vanillin completely reduced the AFB1 production at 4 g/kg of seed followed by sodium chloride with out inhibiting the mycelial growth. This study reveals that fungicides and non-conventional chemicals had effectively inhibited the mycelial growth of Aspergillus spp. and AFB1 production in rice.
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