Show entomologist LISTS CONTROL MEASURES ES FOR CORN EAR EARWORM WO RM corn earworm control will soon be necessary if comm commercial emal and home growers are am to save their evan crop from injury due to this sei serious prat pest declares dr G F knowl knowlton mn a exten ate sion n entomologist at the utah state Z agricultural g ri cultural college three methods of control are am a vail ble to growers grower of sweet com corn I 1 oil treatment U use se a w white ile lc numeral mineral oil car containing 0 0 2 P per cr cent nt of apply the oil after the silks are wilted when their tips have begun to turn brown use an oil can calibrated to deliver one fourth teaspoonful or an ordinary medicine dropper one that when half full will hold 20 drops never use a larger amounts the oil pyre the tarm injected led into the silk mass in 01 the ear ates quickly and kills worms feeding there 2 clip the silk near the tip of the ear car and burn so as to destroy eggs egg and worms worm fertilization takes place with within I 1 or 5 days after the corn silk comes out and clipping should take place on the fifth or sixth day dav f acl delayed to too long the a ave touched reached eistrat nn the a ear wa m 3 poison the worm ui hil i k th this may cosy be bexes done 4 the ill ilk with a mixture amse by 4 is of f I 1 part par carci 0 1 urn arse to with th 3 i ir n h dust should be S days after let the silk apa 11 dr knowlton auais all oil il suggests t 1 1 treatment treat meni u eatn the he grower should start a sma III sea scale IS until Im impelen penen lt it lt I use ise is 0 obtained bi tamed too earh 1 is cam ion of if the oil before early a w completed would poi wat lol top stop and nd poor ears cam would adult experience this first method yra in ng popular and profItS profitable bils vr its sweet corn borit growers in 4 of if this country ny PIN pail |