Sunflower Hybrid JANINA
Originator — Institute of Field and Vegetable Crop Research, Novi Sad (Serbia)
Year of registration in the State Register of Ukraine — 2010
High-yielding early hybrid, resistant to 5 races of downy mildew.
Hybrid type — simple
Vegetation period — 104-108
Intended use — oilseed
Potential yield — over 50 centners/ha
Plant height — 150-170 cm
Growth intensity at early vegetative stage — high
Leafiness — excellent, leaves fully cover the soil at the beginning of bud formation
Stem — medium thickness
Root system — medium-sized, branched
Head — thin, convex shape, downward-facing, diameter 20-23 cm, completeness — 100%
Seed — black, elongated, 1000 seeds weight — 55-62 g
Oil content — 47-49%
Protein content — 22-24%
Resistance of hybrid to:
lodging — very high
drought — high
shattering — high
downy mildew — A, B, C, D, E
Diseases and pests:
Genetically resistant to rust (Puccinia helianthi). Highly tolerant to Phomopsis/Diaporthe helianthi, white mold (Sclerotinia sclerotiorum), gray mold (Botrytis cinerea).
Resistant to sunflower moth (Homoeosoma nebulella).
Plant density before harvest — forest-steppe — 55-60 thousand/ha
central steppe — 50-55 thousand/ha
southern steppe — 45-50 thousand/ha
Recommended growing zone — forest-steppe, steppe
