Maize seedling stage is the main period of occurrence of underground pests, and underground pests such as ground tigers and earthworms are more harmful.
Occurrence of characteristic corn seedlings underground pests are mainly small tigers, earthworms, cockroaches, golden needles, etc., larvae lurk in the ground surface 1 to 5 cm lurking, began to damage after sunset, 10 to 12 pm into the peak of damage, after dawn drill Into the nearby surface of the victim plant, mainly damage the seeds and seedlings on the ground, underground parts, resulting in lack of seedlings broken ridge.
Soil treatment use 50% phoxim emulsion 100 ml slag 15 to 25 kg, spread in the ground before the farmland, and break into the ground, can kill earthworms and goldworms.
Control methods Spraying and spraying Kill 2.5% Bromothrin and other pyrethroid insecticides to spray the ground. In addition, the control of cockroaches can also be used to trap and kill enemies.
Sprinkle poisonous soil with 50% phoxim 0.25 kilograms of fine soil 50-60 kilograms, spread around the corn seedlings, can control a variety of underground pests.
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