Preservative Effects of Iprodione on Shelled Corn

Date
1996
Authors
Bern, Carl
Dugba, Prince
Bern, Carl
Misra, Manjit
Rukunudin, Ibni
Misra, Manjit
Bailey, Theodore
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Agricultural and Biosystems Engineering
Abstract

Laboratory tests were conducted to determine preservative effects of iprodione (Rovral®) fungicide on shelled corn. One-kilogram corn samples were held at 20°C, and 18.0, 22.5, and 23.5% moisture while being aerated at 0.45 m3/min-Mg (0.4 cfm/bu). Time required for the samples to lose 0.5% of original dry matter was used as the criterion of preservative effectiveness. Application of 20 ppm of iprodione extended this time 21% for 18% moisture corn and 13% for 22.5% corn. Effectiveness of iprodione increases with application rate up to 100 ppm where storage time is extended about 25%. A higher application rate had little added effect. The 3.29 mL/kg (3 oz/bu) fungicide solution rate is more effective than the 5.48 mL/kg (5 oz/bu) rate. Non-uniform application of iprodione did not decrease preservative effectiveness if the same total quantity of fungicide was applied. Damaged kernel totals after storage tests were higher for 22.5% moisture samples, compared to 13% moisture samples, but were not affected by iprodione treatment.

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This article is from Transactions of the ASAE 39 (1996): 1751–1756, doi:10.13031/2013.27694. Posted with permission.

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