igio.] Grease-banding of Fruit Trees. 551 



have made a careful study of this material (Tanglefoot), and 

 have failed as yet to find that it does any harm when put on 

 the bark direct." Knowing the different effects produced by 

 varied climatic conditions, I banded direct three young 

 cherry trees in 1908, and two old apple trees. A thick coat- 

 ing of Tanglefoot was put oh, rather wider than is necessary. 

 Up to October, 19 10, the young trees banded in 1908 have 

 suffered in no way, and have no different appearance from 

 those which were paper-banded, but it is too early yet to say if 

 this can be done generally with young trees. With old 

 trees it is quite a safe method, and is far more successful 

 than paper-banding, which cannot be put on sufficiently well 

 for the purpose on large rough-barked trees. 



Papers and their Connection with Greases. — Several com- 

 parative trials were made with various British and German 

 papers, but some of the former were not commercially sold 

 for this purpose. The difference was very marked in one or 

 two cases. 



For instance, a black grease when put on an ordinary thin 

 grease-proof paper dried in six weeks, while on a special 

 insect-trap paper it lasted in a more or less sticky condition for 

 four months. Another German grease remained only six 

 weeks on a thin paper, and nine on a thick paper. 



Two papers of especial value have come to my notice, one 

 from Hartjen and Co., which is thick and grease-proof on 

 each side; the other, the well-known "insect banding" of 

 Germany manufactured by Otto Hinsberg, of Nackenheim-on- 

 Rhine. The latter not only retains a grease in a more " tacky " 

 condition over a longer period, but at the same time acts as 

 a trap for Codling Maggot, Plum Maggot, Apple Blossom 

 Weevil, and several minor pests. Its one objection is the 

 cost, but where one has a long-lasting grease, the extra 

 amount of insects caught by it might be worth the extra out- 

 lay. The price is, roughly, i\d. a yard, with substantial 

 reductions on large quantities. 



Prices of Grease. — The prices of British greases range from 

 14s. a cwt., or £12 10s. a ton, to 25s. a cwt., or £23 a ton. 

 lhree applications of the samples at both these prices were 

 necessary to cover the period of ascent. 



In the case of the German greases, the highest was 40s. 

 a cwt., or ^45 a ton, and the lowest 145. 6d. a cwt., or 



