14 



Dewberry. Same as blackberry. 



Elm. Spray the first week in June with lo. A second appHca- 

 tion later is sometimes worth while. 



Gooseberry. Same as currant, which see. 



Grape. As soon as buds swell use la or 2. Just before the flow- 

 ers open 20 or 21. When fruit has set ib, or, if insects are feeding 

 on the foliage, 20 or 21. Two to four weeks later use ib, if rot, mil- 

 dew or anthracnose appear. 



Nectarine. Same as for peach, which see. 



Nursery Stock. When leaves first appear. No. 20 or 21. If leaf- 

 eating insects appear use 20, 21 or 8, 9 or 10. If fungus troubles 

 appear, use No. ib. 



Peach. Treat like plum. It should be specially noted, however, 

 that peach foliage is tender and may be injured by Paris green or 

 strong Bordeaux mixture. The former should always be used with 

 caution, enough good lime being added in all cases to neutralize the 

 effect of the soluble arsenic in the Paris green. Disparene or arsen- 

 ate of lead. No. jo, is always safer and to be preferred. Bordeaux 

 mixture should never be used on peach foliage stronger than formula 

 le or id. 



Phim. Black knot should be removed with the pruning shears as 

 soon as discovered, and should be burned. Trees should be exam- 

 ined for knots about the middle of June. In case of bad infection 

 several examinations may be necessary, but usually one is enough. 

 Spraying before buds open with la or 2 will assist materially in 

 checking the spread of the knots. Brown rot is also checked by 

 this same early spraying. It can be further prevented to some 

 extent by thinning the fruit. With certain varieties it is practicable 

 to pick the fruit before quite ripe, allowing it to mature in a cool 

 storage room. For leaf blight or shot-hole fungus use id or le, ib 

 can be used on plums of the old European varieties. The foliage of 

 the Japanese varieties is much more tender, like that of the peach, 

 and the weaker solutions, carefully made with plenty of lime, are 

 requisite. For curculio, spray with 8, 9 or 10 just before the blos- 

 soms open and again soon after they fall. In place of 8, 9 or 10, 

 No. 20, 21 or 22 may be used to advantage in most cases, thus 

 checking fungus and insect pests at the same time. The curculio 



