CHRYSANTHEMUMS
HOW TO CHECK RUST. Most gardeners are now gradually working up a stock of chrysanthemums for the coming season. Few gardens are free of the chrysanthemum rust, a fungoid disease that does much damage to the foliage and, if left, may lead to ruin of a whole batch of plants. The usual method of checking the disease is to spray with sulphate of potassium, Joz to a gallon of water; Bordeaux mixture, 4-4-40; or kerosene emulsion. The most effective method is not to wait for the visible appearance of the disease, but to spray from the present time onwards. A good procedure is to dip the cuttings in the solution of sulphide of potassium, as before mentioned, previous to planting, then to spray every two or three weeks throughout the season. Spores of the disease lie dormant in the soil and will affect the plants the following season; for .this reason the plants should not .be grown in the same ground the second season. If they have to be planted in the same ground, extra care should be taken that the plants are kept well sprayed with one of the mixtures or some other fungicide.
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Wairarapa Times-Age, 4 November 1938, Page 9
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196CHRYSANTHEMUMS Wairarapa Times-Age, 4 November 1938, Page 9
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