Name of crop Maize
Category : Cereal crops
Name of variety : Shuvra
Identifying character : Ears are conical shape. Anthocyanin in 1st leaf sheath: Medium pigmentation Leaf sheath color at 2-leaf stage: Less pigmented. 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) : 4.5-5.5 t/ha
Suitable area : The crop can be cultivated all over Bangladesh.
Sowing time : 15 November-15December
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.
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