Pest Control Materials — contd. 
SHIRLAN, A. G.— Recommended for mil¬ 
dew of tomatoes, cucumbers, lettuce, 
roses, cbrysantbemums, delphiniums, 
etc. 6oz. 1/-; 21b. 9/6; 51b. 22/6. 
SLUGENE. —A certain slug exterminator, 
harmleSs to plants. 1/6 pkt., 5/9 71b., 
9/9 141b. 
SODIUM CHLORATE. —Largely used In 
recent years in combating ragwort 
and similar soft weeds. A tiny pinch 
on each weed kills. 5d. per lb., 281b. 
11/-, 561b. 19/6. 
SOFT SOAP.— 1/3 per lib. tin. 
SULPHUR, COLLOIDAL. —Usually used 
In conjunction with Lime and Sulphur 
Solution for the control of leaf cur! 
and ripe rot In stone fruits; also black 
spot on apples. 1/6 5oz., 4/6 lib., 
16/9 51b., 84/6 561b. 
SULPHUR DUSTING (SUBLIMED 
FLOWERS) —100 per cent. pure. For 
dusting and burning. 6d. per lib., 
3/- 71b., 5/3 141b., 8/6 281b., 27/- 
1 cwt. 
SULPHUR, WETABLE —A summer spray 
for leaf curl. Unlike ordinary sulphur, 
this readily mixes and dissolves in 
water. 8d. lb., 15/6 25lb., 27/- 501b. 
TOBACCO DUST. —Used to exterminate 
slugs and snails. Will last effective 
even after heavy rain showers.i 61 
per pkt.. 2/3 71b., 3/9 141b., 5/9 281h. 
VERMORITE. — A well - known powder 
form of Bordeaux Mixture, especially 
suitable for Potato Blight and Winter 
Spraying of Fruit Trees. Original pac¬ 
kets, about 4ilb. weight, 6/6 each. 
VOLCK. —White Oil Emulsion, Summer 
Spray. The new quick-breaking Oil 
Spray for Citrus and other fruit trees. 
2/3 lpt., 3/3 lqt., 5/- Agal., 9/- lgal., 
32/- 4gal„ 57/6 lOgal. 
WASHING SODA. —Sometimes used In 
place of Lime for making Bordeaux 
Mixture. Price on application. 
WEED KILLER (ACME) .—Small tin, to 
make 12Agal., 2/6; to make 25gaL, 
4/-; to make 56gal., 7/6; to make 
lOOgal., 14/-; to make 150gal., 19/6; 
to make 250gal., 30/-. 
WORM KILLER —Apply to lawns at rate 
of 4oz. per square yard in wet 
weather. 71b. 3/3, 141b. 5/6, 281b. 
9/-, 561b. 16/6, 30/- per cwt. 
4 
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Caterpillar in Tomato. A chewing 
pest. Spray fruit loith poison to 
prevent it entering. 
Bronze Beetle. A chetoing insect 
that should he combated with 
Arsenate of Lead. 
Blight on Potatoes : A fungous disease 
that should he sprayed for prevention, 
not to cure. 
PESTS AND 
THEIR CONTROL 
INSECT PESTS and FUNGOUS DISEASES 
HOW TO KNOW WHICH SPRAY TO USE 
(1) CHEWING INSECTS NEED A POISON SPRAY 
These include caterpillars, grubs, codlin moth, pumpkin 
beetles, other beetles, grasshoppers, crickets, slugs, snails, 
slaters, etc. They live by devouring some portion of the plant, 
flowers or fruit. Therefore by spreading a light coating of 
poison over the plants, repeating it occasionally as new 
growth develops, the attacking Insects are easily destroyed. 
Arsenate of Lead is the outstanding remedy for this pur¬ 
pose. It may be dusted on the plants or sprayed in liquid 
form. One pound will make 50 gallons of spray. It can, if 
necessary, be mixed with contact sprays and fungicides to 
form an all-purpose spray. When cabbages and cauliflower 
are affected a non-poisonous spray, “Derridust,” should be 
used instead, it is equally effective, and is easily applied. 
Dust at rate of 201b. to 251b. per acre. 
“Slugene” is another excellent remedy (dusted 
around the plants) for snails and slugs. Chewing 
Insects which hide in the soil are best attacked 
with Apterite, a poisonous fumigant which kills 
all soil pests. Use 2oz. per square yard. 
(2) SAP SUCKING INSECTS NEED A 
CONTACT SPRAY 
These include aphis, woolly aphis, mite, thrips, 
mealy-bug, red spider, vegetable bug, scale, etc. 
They do not eat the plant, but insert their beaks 
through into the sap and drain it away. They gener¬ 
ally swarm upon the young shoots and upon the 
lower sides of the leaves, which grow yellow, wilt 
and lose vitality. 
The insects cannot be poisoned; but contact 
sprays, by closing their breathing organs, and by 
irritation, smother and kill all with which they 
come in contact. 
The following are best remedies, with strength 
to use: Yates' Nick-tina 40 (loz to 6gal); Lime Aphids on leaf need a 
Sulphur (lgal. to 80 to 100 gal.). This is effective contact spray.“Nicktina 
against fungous diseases as well. 40.” 
Scale pests are sap-sucking insects, which protect them¬ 
selves with a covering of wax; they are easily destroyed by 
these remedies. The stronger scale insects on citrus trees, 
however, and mealy bug, are best sprayed with Scalax (use 
lgal. in 20-60 gallon water, as required). Remember, contact 
sprays must always be repeated as live insects appear. 
(3) FUNGOUS DISEASES NEED A PREVENTIVE SPRAY 
These are diseases affecting the tissues and constitution of the 
plants. All are more easily prevented than cured. They include 
Mildew, Black Spot, Rust, Irish Blight, Scab, Leaf Curl, etc. 
The surest preventive is to commence spraying just before 
the flowers and foliage appear in early spring, when full 
strength solutions can be applied. After foliage is well 
developed weaker solutions can be used every two or three 
weeks, which is the average period taken by the spores of 
mildew and black spot, for instance, to develop. The two most 
used Fungous sprays at present are Bordeaux 
Powder (lib. makes up to 15gal. full strength), 
and Lime and Sulphur, but in our opinion the 
two wonderful new inexpensive Sprays, Colloidal 
Copper (two dessertspoonfuls make three to four 
gallons), mostly for winter use, and Colloidal 
Sulphur (loz. makes up to six gallons), for sum¬ 
mer use, will supersede them when they become 
known. 
NOTE. —With the exception of Potatoes, Toma¬ 
toes, and other plants that have leaves of a low 
acid content — in which case it is advisable to 
use both Colloidal Copper and Colloidal Sulphur 
as a combined spray— Colloidal Copper should be 
used only before the foliage appears in the spring, 
and from bud-burst to leaf-fail Colloidal Sulphur, 
loz., plus Lime and Sulphur, 4-pint, to six gallons, 
may be used. 
As many of these preparations are of a poisonous nature, keep them away from children and domestic animals. Further, care¬ 
fully wash all mixing utensils and pumps after use, and all fruit, vegetables, etc., before use. 
For further useful information on Insect Pests and Fungous diseases, see YATES’ GARDEN GUIDE (One Shilling, Postage Free). 
You do the work! You are entitled to the harvest! 
ARTHUR YATES A CO. LTD. 
BOX 1109 - - AUCKLAND 
67 
