November 21, 1914 



HORTICULTUKE 



719 



ROSE GROWING UNDER GLASS 





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Questions by our readers In line with any of the topics presented on this page will be cordially received and promptly answered 

 by Mr. Euzlcka. Such communications should invariably be addressed to the office of HORTICULTURE. 



Damping Down 



Even ill houses that have a good deal of concrete work 

 on tlie floore, damjaing down from now on should be 

 omitted, by all means. The moisture coming out of tlie 

 soil in the benches as these dry out wall be all that is 

 necessary to keep the air in the houses right. Under 

 ordinary conditions, we never employ damping-down at 

 all, as we find no benefit by so doing, and as a rule find 

 that blackspot will start much sooner in houses where 

 damping-down was practised than where it was not. 

 This method may be all to the good in other branches of 

 the business but we would keep it out of the rose houses 

 altogether. j 



Fumigation 



Do not wait until greenfly and other pests appear 

 before starting to give them a dose of smoke or gas. The 

 same applies to spraying, and it is much better to use a 

 weak spray oftener than a strong spray only once in a 

 while. Even tliough the plants do not show any ill 

 effects from smoke or spray we believe that it affects 

 them Just the same, and as soon as the dose is made too 

 strong, then the injurj' is at once visible. Try to fumi- 

 gate just before syringing — that is, the night before. 

 If there are any flies left alive, they will not be feeling 

 very well, and a good stream of water will finish them 

 up, or else throw them under the benches, and they will 

 be too sick and too weak to crawl back to the plants 

 again. As it is necessary to have the plants wet enough 

 to syringe the next day, the smoking will be much more 

 effective. In fact if the plants are dry at all do not 

 smoke or spray, for even a weak smoke or spray may 

 burn them at this time. During the summer it was best 

 to fumigate while it was raining, for all the little open- 

 ings here and there in the glass were full of water, thus 

 making the houses much tighter. Now there is always 

 more or less condensation on the glass, and this will keep 

 the houses tight at any time. Avoid burning tobacco 

 stems from now on, for they will prove hannful to the 

 flowers. If the houses dry out well, it woiild be well to 

 apply some of the tobacco stems to the benches, scatter- 

 ing them well so that they will not lie too thick. They 

 should be applied as evenly as possible, and will then 

 become a plantfood, and an insecticide as well. 



Cutting 



When cutting the Beauties be very careful not to cut 

 off all the shoots, for a plant like that will seldom 

 amount to anything any more, and more than likely it 

 Next Week: Sheep Manure; Soot; Storing Manure; Soil for 



will die. Look at tiie plants well when cutting and if 

 the flower to be cut is the last and only break that the 

 l»laiit has, disbud or rather pinch out the bud, and let 

 the stem remain. This will give the roots something to 

 do, and they will not die; instead the plant will put out 

 new breaks in the near future. Although it is well not 

 to let the buds get too far open before they are cut, it is 

 profitable to let them remain on the plants until they 

 have a chance to become large, and well pointed. This 

 will make them almost twice as large when they become 

 fully open. 



Disbudding 



Never neglect this very important item, especially 

 now when even the best of stock brings small prices. 

 Stock that is not disbudded when it should be, will have 

 much smaller buds, and will appear somewhat disfig- 

 ured, to say the very least. Keep right after your 

 growers — or after yourself for that matter — and see 

 that this is attended to as it should be. 



Sand 



Before the bad weather sets in, it is well to see that 

 there is a good supply of nice sand for propagating for 

 the coming season, for where large quantities of plants 

 are required, propagation begins right after Thanksgiv- 

 ing. Unless the sand is to be used immediately, we would 

 never recommend putting it into the propagating house 

 at once. Should this be done, and no cuttings nut in at 

 once the sand will get full of disease germs of all kinds, 

 and will not be very healtliy for the cuttings when these 

 are finally put in. Keep the sand in a clean shed some- 

 where until it is wanted and then put it in the benches, 

 and as soon as it is warm enough, put the cuttings into 

 it. 



Old Beauty Plants 



Plants that have been cut down, and run another year, 

 should be doing very nicely, and great care should be 

 exercised in cutting from these so as not to cut some of 

 the plants all off. The notes on cutting \vTitten above 

 will apply well to these plants. Then be careful with 

 the water. Mark all that are suffering from too much 

 water with a little lime, and then keep the water away 

 from these when the other plants are watered. Care- 

 fully cutting will keep these plants all even and there 

 will be none that will suffer. It seems like waste to 

 disbud a perfectly good bud, and leave the stem, but it 

 will pay in the long run, and is what counts in the end. 

 It is not one day's cut that makes the money. It is the 

 average all the year through. 



Potting; The Coal Supply; Electric Lights. 



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