Archive image from page 63 of Cyclopedia of farm crops (1922). Cyclopedia of farm crops cyclopediaoffarm00bail Year: 1922 38 INSECTS AND DISEASES without preventing the boiling. The mixture becomes quite thin during the boiling process, and when finished is of a deep orange color.' This is one of the popular and reliable remedies for San Jose scale. Fig. 56. Spore-bearing stalks of a wilt fungus {Acrostalagmns albus). In this fungus the spores are borne in heads: some of the heads are ruptured at the right. (After Vau Hook.) Kerosene Emulsion.—Hard, soft or whale-oil soap, J pound ; boilin
Archive image from page 63 of Cyclopedia of farm crops (1922). Cyclopedia of farm crops cyclopediaoffarm00bail Year: 1922 38 INSECTS AND DISEASES without preventing the boiling. The mixture becomes quite thin during the boiling process, and when finished is of a deep orange color.' This is one of the popular and reliable remedies for San Jose scale. Fig. 56. Spore-bearing stalks of a wilt fungus {Acrostalagmns albus). In this fungus the spores are borne in heads: some of the heads are ruptured at the right. (After Vau Hook.) Kerosene Emulsion.—Hard, soft or whale-oil soap, J pound ; boiling soft water, 1 gallon ; kerosene, 2 gallons. Dissolve the soap in the water, add the kerosene and churn with a pump for 5 to 10 minutes. Dilute 4 to 10 times before applying. Use strong emulsion for all scale insects. For such insects as plant-lice, mealy-bugs, red spider, thrips, weaker preparations will prove effective. Cabbage-worms, currant-worms, and all insects which have soft bodies, can also be successfully treated. It ' advisable to make the emulsion shortly before it is used. For San Jose scale, use 1 pound of whale-oil soap and dilute in proportion of one part to of water. Especia' effective in summer to kill the young and tender lice. Miscible or 'Soluble' Oils.—Recently various oil that emulsify readily when poured into water have been put on the market. Some persons have found them to be of great value and others report poor or indifferent results. Emulsified with twelve to fif- teen times their quantity of water, they are applied to dormant trees for scale. Distillate Spray.—In order to overcome some of the difficulties in the making and use- of kerosene emulsion, California citrous growers are now using a mechanical mixture of a special distillate of petroleum and water. The mixture is prepared by a sort of chum propelled by a gasoline engine, and the same engine applies the spray. For scale insects and mites on citrous fruits. Tobacco Water.—Prepa
Size: 1250px × 1600px
Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1920, 1922, agriculture, archive, bailey_l_h_liberty_hyde_1858_1954_ed, book, bookauthor, bookdecade, bookpublisher, booksubject, bookyear, drawing, farm_produce, historical, history, illustration, image, new_york_the_macmillan_company, page, picture, print, reference, vintage, zimmermann_a_albrecht_b_1860
