| Show i r I Com Corn Belt Farmers Fight Against Inroads of Borer BorerI States Adding Millions to Federal Appropriation so Bat Bat- Battle Battie tIe tle Can Be Bc Waged Throughout Central Territory as Pest Hose Pushes Way Vay Into Producing Area Ar a. a i Ir-i Ir 1 7 s 1 w S I I The van Tan of the thc corn bus borer according to this map has bias I already entered Illinois and West t Virginia lr llIla The Tue area nica shows hows the client of the tile corn belt nid amI the lie outlined portion ihie inroads made by b the die corn cons borer Insets In slow so the boier bOI cr In fn an Infested ti salk I and n a sketch of or a II parn lc Imported Irons from Europe to o combat the Ihie pest ICs t I i I Bj D r Service Scra Ice WASHINGTON W. April Corn H. Corn belt farmers are warily plowing their fields Ields and planting seed for tor fora tora a new ne crop that they fear Lear will still in invite In In- Invite vite vito the progress of their most dreaded enemy the enemy tho European corn borer This year witnesses the great great- greatest greatest greatest est concentration of o money and effort to 10 check this pest in its lis ad advance ad ad- advance vance anco into the heart Icart of or tile the corn belt To the fund just appropriated by b congress the states stattS affected are adding more snore millions for Its eradication Federal l and state entomologists are arc trying trying- new ness means to fight light the tho borer They have hate ha c imported eight different types of oC parasites known to be hostile to the corn borer and are arc depending ing especially on one insect that has already killed oft off as high as 8 per cent of oC the borers in some areas arlas Guards arc are stationed at the till boundaries of or Infested areas areas' on all highways preventing the tile ex ex- exportation exportation ex- ex exportation of or all corn into fields as asyet asyet yet ct untouched Scientists in their laboratories and on the fields Cletas are still seeking further means to prevent the lie rapid spread of ot this pest But this great struggle as yet et seems to be In favor Cavor of the lie enemy enem In less than ten years cara ears it has baa spread its destruction front Crom a rather small district in Massachusetts and one ODe In ho New York to he the entire arci arl around Lake Erie on 01 southward into West Vest Virginia and aid westward past the Illinois border It is advancing along a mile mlle front over o e r a territory well past square miles in extent Almost the entire province pro of or Ontario has succumbed to the pest and surrounding provinces where corn is grown are arc threat threat- ems ened In the tho United States the corn borer has ha eaten calen its It way well through New York Tork Pennsylvania anla Ohio Michigan Mi and Indiana na and into Illinois and West est Virginia Massachusetts New Hampshire Maine Ilaine and Rhode Island are arc also deeply Infested but bul the insects insect's advance there is in no proportion with Its rapidity in the middle west VIA LAND AMI AXIl The Tho corn borer is traveling by byland land band water and air all into the Ule regions so that no matter what precautions are arc taken by b b government officials and farmers It is practically practical impossible to check it completely Use of ot para para- parasites parasites sites and education ot or the farmers in the proper method of ot cornstalk corn stalk I disposal and other precautions I will it is hoped slow show up the borers borer's progress Last year the borer r t passed to the south ot or the great Ohio water water- watershed watershed shed affording it quick and easy cas transportation by water to the south The great spring spring- floods It Itis ItIs Itis is feared have hastened its Hs ad ad- advance advance advance vance in that direction FEUDS FEEDS OX ON CROPS CHOPS By fly land band the Insect has crept from Irons field to field and md by air the tho matured moth has flown consid consid- considerable considerable erable enable distances into luto virgin terri tern tory tor tor Corn Isn't Its only fodder to In fact entomologists say cay ay it will eat as many as a. a 00 different crops ot or economic value val uc including Including- and sugar cane The seriousness of oC this Lists menace menaco may be realized from the fact that as many man as a million borers in the dangerous caterpillar stage slag may be present in an acre of or land In this stage the lie Insect bores Its way stay upward through the stalk stall and into the tho ear car ruining tho the plant It remains in the stubble over oser 0 cr the winter and goes boes into Inlo the growing plants in Iii spring and summer To control its Its' advance the th corn must be bo planted us u late t ll as I flossi- flossi possible ble bl in earlier maturing varieties with heavy stalks Good soil management rotation of crops and efficient practices must be adopted Plowing must be bo clean and deep and at harvest time the stalks must be e cut close to the ground and burned up UI |