Pouring fermented cattle urine (one week old) into their burrowing holes is practiced in Kenya. Preserve natural enemies such as snakes and birds of prey that are rat predators. Table A. 6. Crop: MAIZE TYPE OF PESTS DAMAGE DONE AVAILABLE IPM CONTROL MEASURES PESTICIDES, WHEN NEEDED African Armyworm Outbreaks take place at sporadic intervals. Monitor the presence of armyworm, conduct visual inspection. Neem Damage results principally from attack on young They are feeding at night, therefore monitoring should be Spodoptera exampta Pyrethrum plants by young caterpillars hatching or undertaken in late evening or early morning as they may still be dispersing into the crop from adjacent wild actively feeding. Bt grasses. Weed-free maize crops taller than 50 Cut grass weeds from bordering fields. Remove weeds regularly to cm are unlikely to become infested by newly Cypermethrin reduce breeding sites and shelter for armyworm. hatched caterpillars because the leaves are too tough to allow them to establish. However, Deltamethrin Select less susceptible varieties when older caterpillars moving from heavily infested grasslands invade fields, even maturing Plough and harrow field thoroughly. Turning the soil exposes crops can be totally destroyed. armyworm pupae to desiccation and . Avoid burning and overgrazing of grasslands, which are the natural and food store of the caterpillars. Burning often causes outbreaks
Pouring fermented cattle urine (one week old) into their burrowing holes is practiced in Kenya. Preserve natural enemies such as snakes and birds of prey that are rat predators. Table A. 6. Crop: MAIZE TYPE OF PESTS DAMAGE DONE AVAILABLE IPM CONTROL MEASURES PESTICIDES, WHEN NEEDED African Armyworm Spodoptera exampta Outbreaks take place at sporadic intervals. Damage results principally from attack on young plants by young caterpillars hatching or dispersing into the crop from adjacent wild grasses. Weed-free maize crops taller than 50 cm are unlikely to become infested by newly hatched caterpillars because the leaves are too tough to allow them to establish. However, when older caterpillars moving from heavily infested grasslands invade fields, even maturing crops can be totally destroyed. Monitor the presence of armyworm, conduct visual inspection. They are feeding at night, therefore monitoring should be undertaken in late evening or early morning as they may still be actively feeding. Cut grass weeds from bordering fields. Remove weeds regularly to reduce breeding sites and shelter for armyworm. Select less susceptible varieties Plough and harrow field thoroughly. Turning the soil exposes armyworm pupae to desiccation and . Avoid burning and overgrazing of grasslands, which are the natural and food store of the caterpillars. Burning often causes outbreaks Neem Pyrethrum Bt Cypermethrin Deltamethrin