Show int DESTROY PESTS WITH SPRAY directions given for using Material combinations for summer spraying in orchards prepared by the united states department ot of agriculture orchards and vineyards are usually troubled with different classes of pests as betl insects sucking ansec insects t a an and d fungous diseases each of which usual ly requires for its control a different kind of spray material fortunately it Is possible to combine the necessary materials for the simultaneous coutry con conerl trl of the pests thus avoiding separate in the accompany lL din tn are B given the standard spray materials tor chewing insects sucking insects and fun fungous ous diseases and the way in which they may be combined it will be noted N Z map showing what semy may be ba combined and plants may eg be treated that there are three main divisions separated according to the principal stomach poisons in use 1 arsenate Ar senata af pf of lead 2 arsenate of lime anda paris green each of these divisions Is divided in accordance with the kind of fruit pome pointe fruit fruity grape and stone fruits these in turn are subdivided into sections 1 chewing insects 2 chewing and sucking In insects 3 chewing insects sucking insects and fungous diseases these are further divided when a choice if spray material could be given to make use of the tha diagram the first consideration is the kind of fruit to be sprayed next the pests to be combated and finally the choice of the spray materials farmers bulletin no OOS which gives information for fruit growers about insecticides spraying apparatus and important insects pests and which can be obtained on application to the tha united states department of agriculture washington D C so long as the supply lasts gives specific recommendations ions in the selection of spray materials it if pome fruits for example are to be treated for chewing insects arsenate lead arsenate of lime or paris pans groon green may be used but as will be seen in the diagram milk of lime should be added to the latter two if stono itono fruits are to be sprayed for chewing insects it will be noted that nothing but arsenate of lead combined with nith milk of lime lima should be employed again suppose apple trees are infested with chewing and sucking insects and that arsenate of lead is selected for the former it will be observed that tills this arsenical may amov be combined with soap or naco nicotine aln or nicotine and soap or kerosene emulsion it if apples are to be sprayed for both chewing and sucking insects and also fungous diseases and crenate a of lime Is to be used for the chewing I 1 insects nicotine should be added to it and lime hine sulphur or bor bordeaux denux mixture mixture |