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10 



The Weekly Florists* Review, 



Decembeb 3, 1008. 



REMEDIES FOR RUST. 



Would you be kind enough to give 

 the ammonia-copper formula for spray^ 

 carnations for rust? I had it long ago^ 

 but unfortunately have lost it, and this 

 year I have rust making its appearance. 



G.W. 



The solution used for rust was made up 

 as follows: Take one pound of sulphate 

 of copper and dissolve it in two quarts <)f 

 ammonia. When thoroughly dissol^iiewi, 

 dilute this with thirty gallons of water 

 and spray on the plants. You need not 

 dilute it all at one time, unless you wish 

 to use it all in one application, which is 

 not likely unless you have a very large 

 place. Keep it in a jug, well stoppered, 

 and dilute as needed. Use about one-half 

 pint to one gallon of water and shake 

 well before using. 



While you may find this solution of 

 some help in fighting rust, you will not 

 find it necessary if you will adopt up-to- 

 date cultural methods. We find that by 

 keeping the plants dry overhead, except 

 when syringing about once each week, we 

 are troubled very little with rust. Dusting 

 the plants with dry-slaked lime, or sul- 

 phur and lime, or grape dust, are all good 

 remedies. Keep the atmosphere buoyant 

 and do not allow the plants to suffer any 

 checks from irregular watering or irreg- 

 ular temperature. Never have the plants 

 standing wet over night from syringing, 

 but if you do get caught, be sure to run 

 some fire heat, with ventilation, and a 

 little sulphur on the steam pipe. 



A. F. J. B. 



THRIPS ON WHITE ENCHANTRESS 



I am sending herewith one carnation 

 and two buds, and I wish some expert 

 would tell me what is the matter with 

 them. They are White Enchantress, 

 grown under glass and planted into the 

 bench about May 1. The plants look 

 healthy and the stems of these flowers 

 were eighteen or twenty inches long. A 

 good many of the flowers, when open, 

 look as if they had been handled around 

 for a week and all battered and bruised. 



E. M. H. 



The specimens forwarded were badly 

 infested with thrips. If you will pull 

 apart a half-open bud, you will see nu- 

 merous little brown insects about one- 

 sixteenth inch long and as thick as a 

 horse-hair. These work themselves in be- 

 tween the petals of the young buds and 

 live on the juice sucked from the young 

 petals. These tiny wounds grow as the 

 petals grow, and by the time the bloom 

 unfolds they are as large as pinheads and 



discolored. The white and light pink va- 

 rieties show brown spots, while the spots 

 on the darker colored blooms usually turn 

 white. These spots are usually a sure 

 sign of the presence of this most de- 

 structive insect. 



This pest has been the subject of a 

 number of inquiries this fall and in re- 

 cent numbers of the Review — for in- 

 stance, in the issue of October 22 — you 

 will find recommendations for treating it. 

 Nicotine is its most effective remedv. 



A. F. J.*B. 



SULPHUR ON STEAM PIPES. 



Will you kindly let me know how much 

 sulphur it is safe to put on the steam 

 pipes of a carnation house, 28x200 feet? 

 This is to be used as a fungicide and also 

 as an aid in fighting red spider. How 

 often is it advisable to use itt 



C. W. C. 



Sulphur is one of the best fungicides 

 known when in the hands of an experi- 

 enced grower, but in the hands of novices 

 it frequently does serious damage. By 

 keeping the atmosphere lightly charged 

 with the fumes one can usually prevent 

 the various spot diseases from getting 

 a hold, and no damage need be done to 

 the plants. But, on the other hand, if it 

 is applied too strong it will not only 

 dull the color in all bright-colored flowers. 



but in extreme cases it will cause loss 

 of foliage and even death to the plants. 

 A safe way to use it is to mix sulphur 

 and dry-slaked lime with water enough 

 to make a thick paint. Paint a strip 

 about one to two inches wide on one of 

 the steam pipes in each house, providing 

 the house is not more than thirty feet 

 wide. In a wider house you will need to 

 paint it on two pipes. Apply it about 

 once iti a week to ten days, as it seems to 

 be needed. Better apply it mild and fre- 

 quently. A. F. J. B. 



COCKCROFT'S NEW WHITE. 



James D. Cockcroft challenges anyone 

 who visits his place at Northport, L. I., 

 to find a split calyx on Georgia, his new 

 white carnation. There is quite a lot 

 of it now flowering and a lot of cuttings 

 in the sand. , 



No one ever undertook the dissemina- 

 tion of a new variety with greater con- 

 fidence than Mr. Cockcroft has in Geor- 

 gia. Last year he sent out two, Har- 

 vard 'and Faust, so that he knows just 

 what it means in hard work, first to gain 

 the attention and favorable considerafion 

 of any considerable proportion of the 

 growers and, second, to root a large num- 

 ber of cuttings to supply the demand for 

 early delivery. In the face of unfavor- 

 able conditions last season, for all dis- 

 seminators of new varieties felt the 



Gtmation Georgia. 



