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J from Castalian Springs, Tn writes

Will the AG liquid copper fungicide be more effective than neem oil for entomosporium on hawthorns?

I have been using the neem oil but I feel I am just fighting an impossible battle

Answer:

Southern AG Liquid Copper Fungicide will treat leaf spot on some ornamental plants, but it is still only a contact kill. It is important to rotate modes of action when treating for diseases, so we would also recommend to rotate with a systemic fungicide such as Garden Tech Daconil Fungicide Concentrate.

Answer last updated on: 05/11/2017

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