. Fig. 106. — Sclerotia of Sclerotinia from lettuce germinating. If all infected plants be pulled and burned as soon as the first indication of disease is observed, the formation of sclerotia will be prevented. As an additional precaution it is well to spray the areas occupied by diseased plants thoroughly with Bordeaux mixture or bluestone solution. A few years of such procedure will much reduce the in- fection or perhaps eliminate it entirely. All lettuce trash should be removed from the beds, since it serves as the ini- tial point of attack for the fungus. Growers whose land is free from th
. Fig. 106. — Sclerotia of Sclerotinia from lettuce germinating. If all infected plants be pulled and burned as soon as the first indication of disease is observed, the formation of sclerotia will be prevented. As an additional precaution it is well to spray the areas occupied by diseased plants thoroughly with Bordeaux mixture or bluestone solution. A few years of such procedure will much reduce the in- fection or perhaps eliminate it entirely. All lettuce trash should be removed from the beds, since it serves as the ini- tial point of attack for the fungus. Growers whose land is free from the disease should guard against its introduction
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
