Show PLAN FOR FIGHT m ON CANE BORERI BORER RORER I Parasites From Tropical Countries Countries Countries Coun Coun- tries Offer Best Means of i Destroying Pests CONFINED TO THREE REGIONS Insects Reduce Yield of Sugar In I. I Varying Measure Averaging About f J 20 P Per r Cent Feed Cent Feed on Other Plants Than Sugar Cane Prepared by the United States Department Depart- Depart f i ment of ot Agriculture I Importation atlon of parasites from Cuba and ond other tropical countries offers the theft ft ii most hopeful method of ridding the 4 t t j V cane cale sugar cane growing r region slon of the then n United States of the sugar cane moth- moth borer or at least of keep keeping ns It under control and reducing the Injury from j It l P ft tt Damage In Three Regions J The sugar sugar cane cane moth borer In the V United States is confined to three Isola Iso- Iso sated la ted regions closely conforming to the nr areas ns of large commercial plantings i iF of ot sugar cane southern cane southern Louisiana southern Florida al and acid d the extreme j southern tip of Texas Throughout those regions It reduces the yield of sugar In var varying measure averaging perhaps about 20 per cent The chief damage results from the larva i tunneling lengthwise through the ma- ma i N 1 o z zM zV M V I. r VA T V V V Banish the Borer From the Sugar SugarCane i. i Cane Fields V i. i tur ture tire cane not killing It It hut hot Injuring l It h severely retarding I Is I's growth th and J J. VV subjecting It to the tile fungous disease dibease 1 known 11 us as red rot A measure of oft fl t ft 5 1 damage follows larval attacks upon e f fa very young plants resulting In what p jl 1 Is known as d dead ad hearts Jp 5 The moth bor borer boror r feeds on a n number of r. r f 1 plants lants other than sugar cane render render- 1 J lag Ins usual methods of control V W f i difficult and for the most q v J part purt not efficacious experiments In poisoning poisoning attraction to light traps i y f and and thee the like have not proved effective e V 1 Five I definite recommendations are made however other than the introduction Intro Intro- of parasites J v 1 How How to Fight Pests A f Scraps of cane left a about out the fax fac- f i v t j J tory and derricks after the grinding q t I fi should be y season destroyed probably by burning and cars In which cane Is I t jM Vi shipped should be kept free of such VV J t t V scraps Seed cane should be planted L 4 f 11 lc the fall and kept as deeply covered V as OR practicable Cane for shipment beyond beyond beyond be be- yond the infested area should be selected selected se so- so as to obtain it free from V borers or if this Is Impracticable It i should l be soaked for at least an an ho hour hourIn r rf f V In bordeaux mixture or a n solution of I to nicotine sulphate previous to ship shIp- ment The trash leaves or shucks left on the fields after cutting cutting cut cut- ting tins should not be burned but should be lightly covered with earth in the fall and plow plowed ed out in the spring The cutting out of dead hearts and dead plants Is said to be theoretically sound practice and where an abundance abundance abundance dance of cheap labor Is obtainable might be recommended ed It is pointed out that the Introduction Introduction introduction tion of parasites has proved effective In Hawaii and that experiments In Inthe Inthe Inthe the United States have given promising promising promis promis- ing Ins results If the introduction of ben beneficial parasites can be undertaken it should be done on a large larse scale and it would be advisable to station two men In Cuba to collect the parasites and one In Louisiana to receive and ultimately to release them on the plantations |