. The Florists' exchange : a weekly medium of interchange for florists, nurserymen, seedsmen and the trade in general . Notes on Vegetable Crops; 3^* cl?^\ tINDER CLASS ANDIN THE OPEN ? K r. STODDARD, VvTiaM Su(*.Collel*. Control of Tomato Diseases in theGreenhouse The most important diseases of Toma-toes under glass are mildew, Phytopli-thora infestaus, leaf mold, Cladosporiumfulcrum; and leaf spot, Septoria Ly-copersici. Mildew is well known to greenhousemen. On Tomatoes it appears first at theedges or tips of the leaves as dark water-soaked areas during damp, cloudyweather. These spots have
. The Florists' exchange : a weekly medium of interchange for florists, nurserymen, seedsmen and the trade in general . Notes on Vegetable Crops; 3^* cl?^\ tINDER CLASS ANDIN THE OPEN ? K r. STODDARD, VvTiaM Su(*.Collel*. Control of Tomato Diseases in theGreenhouse The most important diseases of Toma-toes under glass are mildew, Phytopli-thora infestaus, leaf mold, Cladosporiumfulcrum; and leaf spot, Septoria Ly-copersici. Mildew is well known to greenhousemen. On Tomatoes it appears first at theedges or tips of the leaves as dark water-soaked areas during damp, cloudyweather. These spots have a slightly pur-plish tint. The leaf will begin to wiltat these places, and these symptoms aresufficient to identify the disease. As soon [as the weather clears and the atmosphereis rather dry, these areas will dry up andappear as if the leaf had been burned. To control this disease, sanitary condi-tions in the house are most watering must be done in the morn-ing so the leaves can dry off before nightcomes on. A little moisture en the lowerleaves provides an excellent place for mil-dew to start. -Vt this time of tlie yearin moderate climates, some growers aretempted to trap heat from the sun in theaf
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfloriculture, bookyea