directorate of marketing & inspection branch head office ... - Agmarknet

A) Major stored grain pests of maize and their control measures:
Name of pest Figure of pest Damage Control measures
1. Maize weevil
Larvae develop Two types of
inside kernel and treatments are followed
Sitophilus
feed on starchy to control infestation.
zeamais.
interior. Adults hatch
and eat their way out A)Prophylactic
and continue to feed treatment.
voraciously on the Use following
grain.
2. Larger grain
borer
Prostephanus
truncatus
Larvae enter grain
and feed on starchy
interior.
Adults bore grain
freely and eat
voraciously and may
destroy entire grain
kernels.
insecticides to prevent
infestation In godown
and stock of maize.
1. Malathion
(50 percent E.C.)
Mix 1 litre in 100
liter of water. Use
3 litre prepared
solution per 100
square metre area.
3. Saw toothed
grain beetle
Oryzaephilus
surinamensis
(Linn)
4. Confused flour
beetle.
Tribolium confusum
(J. duv.)
Larvae and adults
feed on broken and
damaged grain.
Larvae and adults
feed on broken and
damaged grain
2. D.D.V.P.
(76 percent E.C.)
Mix 1 litre in 150 litre of
water. Use 3 litre
prepared solution per
100 square metre area.
Do not spray on stock.
Spray on walls and
floors of the godown as
and when required or
once in a month.
3 Deltamethrin
(2.5%WP)
Mix 1 kg. in 25 litre of
water. Use 3 litre
prepared solution per
100 square metre area.
Spray on gunny bags
after 3 months
interval.
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