Inorganic salts for suppressing powdery mildew in cucurbits

Deliopoulos, T., Kettlewell, P.S. and Hare, M.C. (2008) Inorganic salts for suppressing powdery mildew in cucurbits. Communications in Agricultural and Applied Biological Sciences, 73 (2). pp. 51-56.

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The present review provides an update of recent progress in the use of inorganic salts to manage powdery mildew (Sphaerotheca fuliginea and Erysiphe cichoracearum) in cucurbits (Cucurbitaceae). A literature survey identified 16 salts, mainly bicarbonates (e.g. KHCO3), phosphates (e.g. K2HPO4) and silicates (e.g. Na2SiO3), as having potential to suppress powdery mildew in cucurbits. The percentage suppression compared with untreated controls was calculated from the best treatment of each of 20 peer-reviewed studies and this ranged from 41-99%. The high efficacy of inorganic salts in suppressing cucurbit powdery mildew coupled with the abundance of formulated inorganic salt-based products may enable a reduction in the number of conventional fungicide applications needed to control the disease. Overall, the survey revealed that spray or hydroponic applications of inorganic salts can be a useful component in the integrated management of cucurbit powdery mildew, leading to potential environmental and financial benefits.

Item Type: Article
Divisions: Crop and Environment Sciences
Depositing User: Mr Darren Roberts
Date Deposited: 14 Nov 2018 09:42
Last Modified: 29 Nov 2018 12:31

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