| Show casein superior spray spreader i makes it easier to give fr pl it complete coat of lead arsenate 1 prepared by br thi he unit d states Devart department ment of Aari agriculture culture A mixture of lead arsen site und mid water w alien h en s sprayed i rayd on tile afie fruit find bollage wit of a tree does not spread ns evenly aver the surau surface e its as Is able tile the liquid tends to collect colket et in drops and much of it rolls ort on tu TO overcome t this it I 1 a certain materials known as spreaders fire are used I 1 use Is new the use of in codling moth sprays Is comparatively new W says the bureau of entomology united states department of Agri agrical cul ture lure so fur far as Is at present a spreader sp reider ti Is it a dest desirable addition to if a lead arsenate spray it Is possible to control the insect just ns as thoroughly without the spreader as with it it la Is somewhat easier however to give the fruit a complete cout coat of poison when if a spreader Is included the spreader cannot be depended on to make tile lie spra go further except that without it there Is a tendency t to ov 11 Y lint tile the material collects act Ts ir I 1 la U relatively elt iely linge large drops the 81 spreader render added to lead ar araen seriate ute I 1 has bis the advantage of eliminating tile the conspicuous white blotches blotcher blot ches that hat usually appear on fruit spruced sprayed with the arsenical alone chemical analyses show flow that there la Is just as of nuuuli ue I 1 i pol son bon on an apple when a spreader spi eader has been used as hen it lias has not cot the dIf difference Terence is that the poison Is more evenly distributed arnona among eest best spiders among the best spreaders are soap certain oil emulsions glue and einseln i casein Is by fur far the most sa ll tory spreader obtain obtainable ahle at present in its pure form it does not mix with water and it must he combined comb ineil with an alkali before it can lie be put into tile the spray tank the manukin manufacturer generally does doca this but fitly any grower CUD can it mis 1 his own spreader by directions ni ti the 1 e department of agriculture will furnish upon application |
