8o 



THE COMPLETE GARDEN 



For scales use in winter only a lime-sulphur spray containing about 20 lbs. of un- 

 slaked lime and 15 lbs. of flowers of sulphur to 50 gal. of water. 



For red spider and plant mites use flowers of sulphur as a dry powder dusted over 

 the trees when covered with dew or immediately after a rain. 



For hibernating insects use a miscible or soluble oil at the rate of i part of oil to 

 12 or IS parts of water. 



Fungicides: 



Bordeaux mixture; 5 lbs. copper sulphate and 5 lbs. lime in 50 gal. water. 

 Ammoniacal copper carbonate; 6 oz. copper carbonate and 3 pts. ammonia in 



50 gal. of water. 

 Copper sulphate is used, with lime to colour it. For killing fungi on dormant plants. 

 Lime sulphur mixture also acts as a fungicide. 



Symptoms and Treatments. The following list shows in parallel 

 columns (i) the symptoms which appear upon diseased plants or those 

 with insect pests, (2) the cause and lastly (3) the indicated treatment. 



Symptom 



Scab 

 Leaf spot 



Leaf curl 

 Canker 



Rust 



Wilt 

 Twig blight 



Mildews 



Fruit rot 



Smut 



Tip burn (leaves) 



Scald 



Gum excretion 



Sawdust excretion 

 Leaf discolouration 



conifers 

 Bark discolouration 



Leaf curling 

 Wilt 



of 



Cause 



Fungus 

 Fungus 



Leaf curl fungus 

 Freezing or rot fungus 



Rust fungus 



Fungus 

 Fungus 



Mildew fungus 



Anthracnose fungus 



Smut fungus 



Too much water fol- 

 lowed by hot weather 



Freezing and thawing or 

 fungus 



Borers 



Borers 

 Red spider 



Scales 



Aphids 

 Cut worms 



Treatment 



Bordeaux or lime-sulphur 



Bordeaux, also gather and 

 burn diseased leaves 



Lime-sulphur or Bordeaux 



Cut out and destroy dis- 

 eased parts 



Bordeaux, also cut out cedar 

 apples 



Bordeaux 



Lime-sulphur, also cut out 

 and burn diseased parts 



Sulphur dust, also burn 

 leaves in autumn 



Bordeaux 



Bordeaux 



Watch soil conditions 



Protect from winter sun and 

 use Bordeaux 



Protective wash and dig out 



borers 

 Protective wash 

 Dry sulphur dust 



Lime-sulphur or kerosene 



emulsion 

 Nicotine sulphate or soapsuds 

 Paris green in molasses in 



bran 



