. Fig. 38. — Brown-rot showing various stages of decay, x'^fter Clinton. the surface of the leaf, as they are in other curls. Instead of forming flower buds and spurs, affected regions develop a profusion of twigs, ^'witches' ; The disease is not common in America; but should it become so, it can be held in check by pruning out the diseased twigs. It is perennial in the twigs and should be avoided in budding and grafting. Powdery-mildew ^^' ^"^ {Podosphcera oxyacanthce (DC.) De Bary). — This mildew, similar to that described in connec- tion with apple diseases, sometimes does
. Fig. 38. — Brown-rot showing various stages of decay, x'^fter Clinton. the surface of the leaf, as they are in other curls. Instead of forming flower buds and spurs, affected regions develop a profusion of twigs, ^'witches' ; The disease is not common in America; but should it become so, it can be held in check by pruning out the diseased twigs. It is perennial in the twigs and should be avoided in budding and grafting. Powdery-mildew ^^' ^"^ {Podosphcera oxyacanthce (DC.) De Bary). — This mildew, similar to that described in connec- tion with apple diseases, sometimes does damage to the plum and cherry, especially on nursery stock, where it pre-
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
