SPRAY GUIDE 



J. MANNS & CO, Ensor and Forrest Sts., Baltimore, Md. 



[63] 



SPRAY GUIDE 



HOW TO GUARD YOUR FLOWER AND VEGETABLE GARDEN 



INSECT OR 

 DISEASE 



DESCRIPTION 



MATERIAL TO 

 USE (See List) 



WHEN TO APPLY 



Anthracnose 



A common disease recognizable from dusky 

 white spots on stems with brown spot on 

 leaves. 



B— Q 



Make first application when growth starts in 

 spring. Repeat weekly until plants start 

 blooming. 



Anta 



Sweet or grease eating. 



Antrol 







When ants appear. 



Aphis 



Small green, red or black lice feeding on the 

 tender terminal growth of many plants. 



C— E— W- 



-X 



, 



When pests first appear. Wet insects thor- 

 oughly. Repeat as necessary. 



Asparagus Beetles 



Olive colored, both adults and grub like 

 larvae. 



A_E— N— S— X 



When grubs first appear, preferably when 

 plants are wet with dew. 



Bag Worm 



Builds %-inch to 2-inch tapering bag-web. 



A— M— P- 



-X 





When insects first appear or when evidence 

 of feeding is observed. Repeat as needed. 



Black Rot 



(Grapes) Fungus disease. Shows first as 

 small white spots, later surrounded by brown 

 ring. 



B— F— G— L— Q 



When leaf buds first open. When shoots are 

 10 to 15 inches long. Just after blossoms 



fall. 



Blights 



Bacterial disease that attacks young shoots 

 and leaves, causing brown or black spots 

 and sudden wilting. 



B— F— Q 







Make first application when growth starts in 

 spring. Repeat weekly until plants start 

 blooming. 



Brown Canker 



Disease which develops small purple spots on 

 stems and leaves of roses, later turning to 

 light center with purple margin. 



B— F— Q 







As above. 



Cabbage Looper 

 Cabbage Worm 



Pale green-white, striped caterpillar. Dou- 

 bles or loops as it crawls. 



A— E— N- 



-S— X 



When larvae first appear. 



Caterpillars 



Wooly or naked. Feed on leaves. 



A— E— M- 



-P— S— X 



When insects first appear or when evidence 

 is observed. Repeat as needed. 



Celery Leaf Tier 



Pale green or green striped caterpillars. 



A— E— P- 



-X 





When first appears. 



Corn Ilarworm 



Green worm which eats into ears of corn. 



A— M— P— S 





Apply to silk when it first shows through the 

 tips of each ear. Repeat two or three times 

 within week. 



Cucumber Beetles 



Yellow and black striped. 



A— E— N- 



-S- 



-X 



When vines begin to run. Repeat at fre- 

 quent intervals. 



Currant Worm 



Green leaf-devouring worm. 



A— E— P- 



-^- 



-W— X 



When pests appear. 



Cut Worms 



Destroy plants by cutting stems. 



Snarol 







When first appear. 



Damping Off 



Causes plants to suddenly wilt as though 

 rotted at the ground level. 



Coprocide 



Semesan 



Formaldehyde 





Treat seed or soil. 



Downy Mildew 



White, downy mold on pods of lima bean, or 

 under side of melon leaves. 



B— F— S 







At weekly intervals. 



Grape Berry Moth 



Grapevine Flea Beetle 

 Grape Root Worm 



Lays eggs from which small worm develops 



in fruit. 



Dark brown larvae. 



Grayish brown beetles. 



E— S 







Just after blossoms fall. Repeat at monthly 

 intervals until July. 



Horn (Tomato) Worms 



; Large green worms. 



A— E— N 







When bugs or worms first appear. 



Japanese Beetles 



Bronzy-green about % inch long. 



J 







When first appear. 



Leaf Beetles 



Yellow beetles with twelve spots on wings. 



A— E— N— S- 



■X 



When pests first appear. Repeat at weekly 

 intervals. 



Leaf Hoppers 



Small greenish insects that suck plant juices. 



C— E— N- 



-X 





When pests first appear. Repeat as neces- 

 sary. 



Leaf Spot 



Fungus disease causing brown spots on 

 leaves. 



B— F— Q 







Repeat at intervals. 



Mealy Bug 



White, cottony appearance. 



E 







Every few days until under control. 



Mexican Bean Beetles 



Copper-colored beetles with eight black spots. 

 Cream-colored larvae, which also devour 

 leaves. 



D— e;— K- 



-M- 



-N— S 



When pests first appear. 



Potato Bug or 

 Blister Beetles 



Gray, black or striped beetles up to % inch 

 long. 



A— P— X 







Spray or dust plants as soon as they break 

 through and every ten days thereafter. 



Powdery Mildew 



White growth on leaves. 



B— F— Q 







When white growth makes its appearance. 



Red Spiders 



Small mites that feed on foliage, causing it 

 to assume a rusty appearance. 



E— T 







When pests first appear ; on strawberry use 

 Strawberry Dust (85-15). 



Rose Beetle 



Long-legged clay-colored beetles on roses and 

 peonies. 



A— E— S— X 





WTien pests first appear. Repeat at weekly 

 intervals. 



Rust 



Orange-colored pustules (fungrus) in streaks 

 or patches on leaves or stems. 



B— Q— V 







When first appears, or early and weekly as 

 a preventative. 



Scab Spot 



f^ingus disease causing black spots on leaves. 



B— F— Q 







Begin when leaves are size of mouse ears 

 and repeat every ten days or two weeks. 



Scale 



Attacks bark of tree. 



L— R 







As late dormant spray. 



Scurfy Scale 



Gray, pear-shaped scale. 



O 







When first appears. 



Thrips 



Tiny winged or wingless insects that rasp 

 leaves and suck juices from plants. 



C— E— W- 



-X 





When pests first appear. Repeat as neces- 

 sary. 



Tussock Moth 



Caterpillar 1% inches long. Red head. Has 

 tufts of yellow, red, black and white hairs. 



A—1&—P 







When insects first appear or when evidence 

 is observed. Repeat as needed. 



White Flies 



Small whitish flies. In larval stage, tiny, 

 scale-like, greenish objects. 



E— O 







When pests first appear. Repeat as neces- 

 sary. 



LIST OF MATERIALS INDICATED IN ABOVE CHART 



A — Arsenate of Lead. 



B — Bordeaux. 



C— Black Leaf 40. 



D— 20-20-60 D\ist. 



E — 'Evergreen, Red Arrow and Rotecide. 



F — F^ingtrogen. 



G — Grape Dust. 



J — Japtox. 



K — Dutox. 



L — Lime and Sulphur Solution. 



M — Magnesium Arsenate. 



N — *Ro tenon e Dust. 



O — *Fish Oil Soap. 



P — Paris Green. 



Q— Sulfocide. 



R — Scalecide. 



S— 'Slug Shot. 



T — Selocide. 



V— Volck. 



W— Wilson's O. K. Spray. 



X — Nicotine-Pyrox. 



Materials marked (*) are non-poisonous when used as directed. Pyrethrum and Rotenone base materials such as Evergreen, Red Arrow 

 and Rotecide are contact sprays and must strike the insects to be effective. 



