Name of crop Chinashak
Category : Vegetable crops
Name of variety : BARI Chinashak-1
Identifying character : Short duration leafy vegetable requiring 40-45 days to harvest, Yield varies from 25-30 t/ha, Seed yield is 750 kg/ha.
Developed by (Centre/Division) : Olericulture Division, HRC, Gazipur
Year of release : 1985
Crop duration : 40-45 days
Yield (kg/ha) : 30
Fruit Colour : Light green
Suitable area : All over Bangladesh
Sowing time : September-November
Harvesting time : October to January
Major diseases and Management : a) Leaf spot
Management:
1. Use of disease free seed
2. Spraying of Bavistin/Knowin at 2 g/liter of water at an interval of 10-12 days
Major insect/pest and Management : a) Aphid
Management:
1. To check aphid damage, cut and destroy immediately all the infested leaves along with colonies of aphids at the early stage of attack.
2. Conservation of natural enemies especially different species of lady bird beetle and syrphid fly
3. Spraying of Sumithion 50 EC or Malathion 5>EC @ 1 ml per liter of water.
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