gardener is spraying young strawberry bushes leaves by blue liquid known as bordeaux mixture

agriculture berry blue bordeaux bordo bottle bud bush bushes copper downy farm farmer fruit fruitfarm fungal fungi fungicide gardener germ growing hand infections infestations irrigation known leaves lime liquid male man mildew mix mixture natural organic other powdery prevent protect seedlings slaked splashing spray sprayed sprayer spraying sprinkling strawberry sulfate sulphate vegetation young