BIGGLE GARDEN BOOK 



remedies is the proper thing to use. Is it a fungous 

 trouble not caused by any insect? Then half-strength 

 Bordeaux is probably best ; or perhaps sulphur for 

 mildew. Or if both insects and fungi are at work, 

 try a combination of arsenate of lead and half- 

 strength Bordeaux. 



Some of the shrubs— notably the lilac — are very 

 subject to a scale pest called the oyster-shell bark- 

 louse. The scales can be plainly seen, without the 

 aid of a glass, on the branches — brown in color and 

 shaped something like an elongated oyster-shell. 

 Remedy : Spray with the whale-oil soap solution 

 about the middle of May. There is also a scurfy 

 scale which looks like a tiny, oblong flake of cotton. 

 Use same remedy as for oyster-shell scale. Last, but 

 most dangerous, is the San Jose scale. This is a 

 round, dark scale with a central dot or nipple, and 

 is not easy to see without the aid of a magnifying 

 glass. It attacks and kills many shrubs, osage orange 

 hedges, trees, etc. The lime-sulphur mixture is the 

 standard remedy for San Jose. Seedsmen sell it by 

 the quart or gallon, ready-mixed. Or if you have 

 many shrubs or trees affected, write to your state 

 experiment station or to the U. S. Department of 

 Agriculture, Washington, D. C, and ask for bulletins 

 about making and spraying the lime-sulphur mixture. 

 The time to use it is after the leaves are off — in the 

 late fall or very early spring. 



If the flower garden has a garden hose and water 

 under pressure, most insects can be controlled by 

 throwing the water forcibly all over the plants every 

 day or so (but do not do this when the hot sun is 

 shining on them). This knocks off nearly all kinds 

 of bugs, lice, etc. Cnot scale insects), and they soon 

 get discouraged and disappear. 



