CULTIVATION 



To combat the disease formaldehyde is suggested 

 and is supposed to be absorbed by the tissues of 

 the plant and to kill the spores on the leaves. 

 This article further states that it is considered 

 advisable to use the formaldehyde as a spray not 

 only on the leaves and stems, but also to have the 

 solution reach the plant through the soil. To 

 accomplish this result it is advised that "the cool 

 of a calm evening in summer when the soil had been 

 previously loosened, and moistened if necessary, 

 would be ideal." In the treatment referred to above 

 it is necessary, in order to secure the proper results, 

 to spray as soon as the buds begin to open early in 

 the spring, and for this early spraying two table- 

 spoonfuls of commercial formaldehyde are diluted 

 in a gallon of water; for later spraying when the 

 plant is in full growth one-half strength is used, i.e., 

 one tablespoonful to a gallon of water, and the 

 weaker spray used at intervals of a week or ten days 

 through the growing season. Where black spot 

 has gained a firm hold on the plants, it is also 

 advocated that a solution of double strength be used 

 in February. 



As the nights become still colder your blooms 

 will, of course, take longer to develop and you can- 

 not expect as much from your bushes; nevertheless 

 the roses still make a fight to give you flowers and 



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