Show control corn earworm by proper treatment in order to prevent corn earworm cornell has found that an inexpensive medicinal type of mineral oil heavy grade will prove satisfactory the ears should be treated after the silk has started to turn 11 brown at the tip from three ree to A five e days after silk first appears apply the oil with an ordinary medicine dropper fill half fa w about 20 drops tor for small ears and three fourths full for large ears insert the dropper into the silk just inside the tip of the husk busk as shown the oil penetrates the silk chan cba nel and kills the Y young oung worms As t they enter I 1 |