Diseases & insects of the home garden . \j a. Fig. 42.—Tomato fruitworm: a, full-grown moth; b, fruit worm. HOW TO MAKE FUNGICIDES AND INSECTICIDES Fungicides are materials used to kill germs or molds which causeplant diseases. Insecticides are materials used to kill insects which attack plants. TDECAUSE of the danger of poisoning from carelesshandling of these materials, it is desirable that theclub leader or some adult be present when the solutionsare made. This is especially true of lead-arsenate, parisgreen, and arsenic. FUNGICIDES BORDEAUX MIXTURE.—This is one of the best spray mixtures f
Diseases & insects of the home garden . \j a. Fig. 42.—Tomato fruitworm: a, full-grown moth; b, fruit worm. HOW TO MAKE FUNGICIDES AND INSECTICIDES Fungicides are materials used to kill germs or molds which causeplant diseases. Insecticides are materials used to kill insects which attack plants. TDECAUSE of the danger of poisoning from carelesshandling of these materials, it is desirable that theclub leader or some adult be present when the solutionsare made. This is especially true of lead-arsenate, parisgreen, and arsenic. FUNGICIDES BORDEAUX MIXTURE.—This is one of the best spray mixtures forcontrolling leaf diseases of garden plants. Since Bordeaux helps keep thediseases off the plants it is very important that it should be appliedbefore they appear or as soon as they are seen. It can be bought in pasteor dust form from seed dealers, or a better spray can be made at home,as follows: Bluestone (copper sulphate) 1 ounce Quicklime (stone lime) 1 ounce Water 3 quarts Dissolve the bluestone in 1>^ quarts of hot water in a w
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