The phytotoxic and fungicidal effects of Sodium o-Phenylphenate in controlling green mould wastage in oranges
- 1 January 1958
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Agricultural Research
- Vol. 9 (5) , 609-628
- https://doi.org/10.1071/ar9580609
Abstract
Solutions of sodium o-phenylphenate control green mould wastage sue to (Penicillium digitatum) but can cause rind injury in oranges. Data are given on the effects of varying concentrations and pH levels of sodium o-phenylphenate solutions, duration of dip, rinsing, and the addition of hexamine. The occurence of rind injury is due to the absorption of o-phenylphenate and the effectiveness of waste control depends on the levels of both sodium o-phenylphenate and o-phenylphenate. The degree of rind injury depends primarily upon the concentration of o-phenylphenate in the solution, which can be controlled by pH adjustment. Accordingly, an explanation of the role of hexamine is given. Sodium o-phenylphenate control of mould wastage is superior to control by borax-boric acid.Keywords
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