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Evaluation of phosphonic (phosphorous) acid for the control of Phytophthora cambivora on almond and cherry in South Australia

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Abstract

Phosphonic acid applied as a soil drench, a foliar spray or a trunk injection before infection prevented the development of cankers in almond and cherry trees inoculated with Phytophthora cambivora. Foliar applications of 2 g phosphonic acid/L in autumn and spring were an effective and practical treatment. Trunk injections were also effectively but in some cases caused severe leaf scorch and leaf drop.

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References

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Wicks, T., Hall, B. Evaluation of phosphonic (phosphorous) acid for the control of Phytophthora cambivora on almond and cherry in South Australia. Australasian Plant Pathology 19, 132–133 (1990). https://doi.org/10.1071/APP9900132

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  • DOI: https://doi.org/10.1071/APP9900132

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