Sow the seeds treated with Trichoderma viride 4 g or Pseudomonas fluorescens 10 g or Carbendazim 10 g/kg of seeds.
Irrigate the basins before dibbling the seeds and thereafter once a week.
- Application of fertilizers:
Apply 10 kg of FYM per pit (20 t/ha) 100 g of NPK 6:12:12/pit as basal and 10 g of N/pit 30 days after sowing.
Apply Azospirillum and Phosphobacteria 2 kg/ha and Pseudomonas @ 2.5 kg/ha along with FYM 50 kg and neem cake @ 100 kg before last ploughing.
Irrigation is done in the beds by operating the drip system continuously for 8-12 hrs. Spray pre emergence herbicide like Pendimethalin @ 1 Kg a.i/ha just before planting. Planting or sowing is done at the holes made at 2 m distance.
Apply a dose of 200:100:100 kg NPK/ha throughout the cropping period through split application.
Fertigation Schedule- Bitter gourd (Hybrid): Recommended dose: 200:100:100 kg/ha
Pest and diseases:
Mites: Spray dicofol 18.5 % SC @ 2.5 ml per litre of water.
Aphid: Spray Imidachloprid @ 0.5 ml/lit along with sufficient quantity of stickers like Teepol, triton X100, apsa etc., for better adhesion and coverage.
Beetles, fruit flies and caterpillars
Beetles, fruit flies and caterpillars can be controlled by spraying Malathion 50 EC 1ml/lit or Dimethoate 30 EC 1ml/lit or Methyl demeton 25 EC 1ml/lit.
Powdery mildew can be controlled by spraying Dinocap 1ml/lit or Carbendazim 0.5 g/lit.
Downy mildew can be controlled by spraying Mancozeb or Chlorothalonil 2 g/lit twice at 10 days interval. Yield:
Varieties: 14 t/ha in 140 - 150 days.
Hybrids : 40 t/ha in 180 days
Crop Growing districts
Coimbatore, Dindigul, Cuddalore, Thoothukudi, Tiruppur
Major markets in Tamil Nadu
Periyar Vegetable Market Koyambedu, Chennai
Gandhi Market, Oddanchathiram
Natchipalayam Vegetable Market, Coimbatore
20-25 cm long green fruits with short neck and tubercles are preferred