November 23, 1912 



HORTICULTUEE 



707 



ROSE GROWING UNDER GLASS 



Questions by our readers In Une with any of the topics presented on this page will be cordlaUy reef Jyeo, f"" P'?."?," 

 by Mr. Ruzlcka. Such communications should luTarlably be addressed to the office of H0RTICUI.1UKJ!-. 



age win be cordlaUy received and promptly answered 



Cutting 



Now that the cool weather is here to stay, all roses can 

 be allowed to remain on the plants a little longer, allow- 

 ing the buds to become much larger. You do not have 

 to let them open any more than is necessary but they 

 can swell to nearly twice the size of the ordinary tight 

 cut bud. Of course on places where stuff has to be held 

 quite some time or where only a little is cut and shipped 

 two or three times a week things have to be done differ- 

 ently, but on a place shipping every day there is little 

 excuse for having buds cut so tiglit that they will not 

 open for a week. 



Tying 



Never neglect keeping the roses tied up properly, for 

 there is nothing in it. It is a shame the way stuff is 

 allowed to lie around at times, there always being one 

 excuse or another advanced, but when it comes to cold 

 facts, there is really no excuse at all. Beauties are the 

 first to feel this neglect, and generally do not hesitate in 

 showing it either. Keep them tied fast to the wires. It 

 does them no good to have their heads bumped against 

 the glass. Bend them down and avoid this. 



Right here you can get a little point, although many 

 "experts" laugh at the idea; we always try to bend all 

 the wood towards the west, finding just a wee bit of dif- 

 ference in the setting of buds. 



Syringing 



Do not neglect this by any means, or you may have a 

 chance to regret it before the season is half over. Be 

 careful, however, not to take too big chances with the 

 weather. Then be careful not to drown the roses by syr- 

 inging carelessly. Always aim to syringe so as to throw 

 the water into the next walk and not on the bench as is 

 done by many. Another thing to be careful of, is not to 

 have the plants too dry before syringing, or yoii will 

 scald the foliage badly. The Beauties seem to be a little 

 more hardy, while the Killarneys are just the reverse, 

 being very sensitive in this respect. 



Green Fly 



This is so rare with us that we have almost forgotten 

 that such a pest would consider the sweet sap of the 



roses palatable to his particular taste. There are many 

 excellent preparations on the market for exterminating 

 this pest, should Mr. G. fly and his kin think of playing 

 havoc with the contents of a nice greenhouse. They sel- 

 dom bother those wide-awake chaps giving preference 

 to the more easy-going ones. So do not let this Mr. G. 

 Fly catch you napping. 



Black Spot 

 Repeatedly we have given hints on the prevention of 

 this disease, yet it seems only few take heed, and soon it 

 is too late, for a bad dose of spot has wrought havoc 

 with the foliage of the plants, the lower branches being 

 almost devoid of leaves. This condition, however. Is 

 brought on by the grower himself so he should not com- 

 plain of "hard luck" and all the rest of it, but should 

 hustle around and try and save what foliage there re- 

 mains on the plants. Pick off all leaves which show _ 

 signs of spot and burn them. Do not do as many do, 

 just simply throwing them outside the potting shed door 

 and letting them remain there. That to say the least, is 

 unsanitary. A good spray of ammoniacal carbonate 

 (copper), will also help to keep spot from spreading. 

 Then try to keep a dry, fresh, sweet atmosphere in the 

 house, using plenty of dry, air-slacked lime, blowing it 

 around underneath the plants every evening. Also do 

 not do any syringing unless it is absolutely necessary; 

 then only a light quick syringe should be given. Try to 

 coax the plants to grow by giving them a little liquid 

 every now and then. Do not mulch the plants as it 

 would be much more difficult to make them grow. After 

 a good gi-owth starts then apply a light mulch with some 

 good bonemeal, the latter being applied first. 



Tobacco Stems 



We would never recommend burning tobacco stems in 

 rose houses, to rid same of greenfly and other pests that 

 try to make the grower's life miserable. Much damage 

 can be done this way, and with all the simple remedies 

 now in market I cannot see why growers should bother 

 with this old-fashioned way of doing. We even do not 

 like to see them strewn in the walks and under the 

 benches, as is the custom of many. They are all right 

 in their place but we find they keep the air unnecessarily 

 damp. 



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