The Canamian HokTicui.TURisr. 399 



I'Roi rrAHi.i-: aim-les. 



510. SiK, I have a few trees, such as (jreening, Ulenlieiiii Oranj^e, and Wagner, 

 that ought to be grafted. What kimis would be the most profitable? . 



S. K. Mercer, Burnhamthorpe . 



We would recommend our correspondent to try Duchess and Gravenstein 

 for summer and fall apples, and Wealthy, La Rue and Ontario for winter apples. 

 They arc large and profitable kinds. 



CRADING APPLES. 



!i\\. Sir, — I saw an article in your paper on the proper method of grading ap})les, ^ 

 which I do not understand. If I had to grade them up to that size, I would not iiave one 

 barrel out of four or five from a tree, fit for shipping. Suppose an apple would measure 

 3J or 4 inches across, how much smaller would go in for first class ? 



S. K. Mercek, Burnhamthor])e. 



Our correspondent does not quite understand the object in publishing the 

 scale of sizes. It was simply for use in describing fruit. There is so much 

 confusion in describing apples, some writers differing very much from others in 

 what they mean by large or small. 



INSECTS ON CELERY 



512. Sir, — I have a (quantity of fine celery and am much troubled with " snails and 

 elaters." Is there anything I can do to drive them away ? The soil is black muck and 

 grows celery finely. 



Geo. C. Ba.s<'OM, tialt. 



Reply by Prof. James Fldcher, Entomologist, Central Experimental 

 Farm, Ottawa, Ont, 



I wish your correspondent had sent you specimens of what he called 

 " snails and elaters." His snails, I opine, are slugs, and with regard to elaters, 

 is it the grubs (wire worms) or the perfect beetle, to which he refers ? I imagine 

 that by this time the celery is being' dug, and what is wanted is a remedy for 

 next year. For slugs, frequent dressings with freshly slacked lime, sown broad- 

 cast over the beds at night time, have proved the best remedy. For wire worms 

 we have no satisfactory remedy. Prof. Comstock, of Cornell University, after 

 careful study has only been able to prove that many of the reputed remedies were 

 useless, such as sowing salt and the cultivation of buckwneal and odier crops. 

 Plowing as late in the fall as possible is considered useful, ahso the destruction of 

 the insects by poisoned baits spread over the infested ground. 



