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Rosita Onion

Growing Tips:

Soil: Well drained sandy loam is suitable.
Sowing Time: Winter (September – November)
Transplanting: 40-45 days after sowing.
Spacing: Row to Row: 15 cm, Plant to Plant: 10 cm.
Seed Rate: 1.5 kg/acre

Preparation of Main Field:

  • Deep ploughing of main followed by a 1-2 harrowing.
  • Add 7-8 tones per acre well decomposed FYM followed by harrowing to mix in the soil thoroughly.
  • Apply basal dose at the time of transplanting
  • Irrigate the field and transplant the seedlings.

Fertilizer Requirement: Fertilizer requirement varies with soil fertility

  • Apply basal dose at the time of planting: 30:30:30 NPK Kg/acre
  • Apply top dressing 25 days after planting: 25:25:25 NPK Kg/acre
  • Apply top dressing 45 days after planting: 0:0:15 NPK Kg/acre
  • Apply Sulphur ( Bensulf) 30-35 days after planting: 10 kg/acre

Plant Protection: Follow the plant protection measures as and when required as recommended below:

Disease / Insect Pest Chemical Name Trade Name Dosage per liter of water
Nursery
Damping Off Carbendazim 50 % WP Bavistin 1.0 gm - Drenching
Metalaxyl 8%+ Mancozeb 64%WP Ridomil-MZ, Master 2.0 gm - Drenching
Main Field
Stemphyllium Leaf Blight Chlorothalanil 50% WP Kavach 2.0 gm
Mancozeb 75% WP DM-45, IM-45 2.0 gm
Purple Blotch Chlorothalanil 50% WP Kavach 2.0 gm
Difenocolazole 25% EC Score 1.0 ml
Twister Disease Carbendazim 50% WP Bavistin 1.0 gm
Copper Hydroxide 77% WP Kocide 101 1.0 gm
Thrips Imidacloprid 17.8% SL Confidor 0.3 ml
Azadirectin Econeem, Neemark 3.0 ml
Monocrotophos 36% EC Nuvacron 1.5 ml
Thiamethoxam 25% WG Actara 0.5 gm
  • Harvesting: Stop irrigation two weeks before harvest. After harvest keep the bulb in the field for curing for 5- 6 days along with tops. Cover the bulbs to avoid sun scalding. After proper drying remove roots and neck, don’t cut the neck close to bulb.
  • In this variety 5-7% yellow color seedlings will be observed. Remove the same at the time of transplating.
  • Special Note: The varietal characters & information given here is based on observations recorded at our trial station. Change in place, season, cultural practice may result in variation.