KIB Information Service

Name of crop           Maize
Category     :     Cereal crops
Name of variety     :     Barnali
Identifying character     :     Cobs are large size and pointed at the end
Grain color: Golden yellow
Anthocyanin in 1st leaf sheath: Medium Pigmentation. High yield almost resistant to diseases and pests.
Developed by (Centre/Division)     :     Plant Breeding Division
Year of release     :     1986
Crop duration     :     November to May
Yield (kg/ha)     :     4.0-5.0 t/ha
Suitable area     :     The crop can be cultivated all over Bangladesh
Sowing time     :     15 November – 15 December
Harvesting time     :     After attaining physiological maturity
Major diseases and Management     :     Diseases:
Leaf Blight

Management:

* Clean cultivation with timely sowing and balance fertilizer application.
* Seed treatment with vitavax-200@2.5g/kg seed
* Spray with Tilt or Folicure @ 0.5%
* Burning of crop residues

Major insect/pest and Management     :

Insect pests:
Cut worm, ear worm, stem borer

Management:

For cut worm

* The larvae can be killed after collecting from soil near the cut plants in morning.
* Dursban or Pyrifos 20 EC 5 ml/liter water should be sprayed especially at the base of plants to control cutworms.

For ear worm

* The larvae could be killed after collecting from the infested cobs.
* Cypermethrin (Ricord 10 EC/Cymbush 10 EC/Fenom 10 EC) @ 2 ml/litre water could be sprayed to a control this pest.

For Stem borer

* Marshall 20 EC or Diazinon 60 EC @ 2ml/litre water could be sprayed properly to control the pest.
* Furadan 5G or Carbofuran 5G @ 20kg/ha should be applied on top of the plants in such a way so that the granules stay between the stem and leaf base. Such type of application of insecticides is known as whorl application