DRY WEATHER PESTS
Insect pests and plant diseases increase with astonishing rapidity during the warmest days. A sharp lookout should be kept for them at all times and the trouble dealt with w'hile in a minor stage. Green fly are not so troublesome now as they were when growth was tender, but this great pest is still capable of doing considerable damage.' - Fortunately the fly so prevalent just now oan be killed out with the application of black leaf 40, one teaspoonful per gallon of soap water. A serious trouble at the present time in many places is a voracious caterpillar that preys on dahlia, tomatoes and all tender foliage plants. This may be controlled by spraying with arsenate of lead, two teaspoonfuls per gallon of water.
During a warm season red spider is often very much in evidence, but is easily kept under by spraying with sulphide of potassium, which should be used at the rate of one ounce to two gallons of water. A better mixture is made if two ounces of soft soap is added to the water before putting in the sulphide.
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Bibliographic details
Sun (Auckland), Volume I, Issue 282, 18 February 1928, Page 26
Word Count
186DRY WEATHER PESTS Sun (Auckland), Volume I, Issue 282, 18 February 1928, Page 26
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