НК Роки

Description of sunflower hybrid NK ROKI
Included in the State Register for the North Caucasus (6) region.
Leaf is medium-sized, color green, bubbling is absent or very weak, serration of the leaf margin is fine to medium, the shape of the cross-section is concave, the angle between the lateral veins is straight or almost straight. Flowering time is late. The uvular flower is yellow, elongated. In tubular flowers, the anthocyanin coloration of the stigmas is absent or very weak. The corm is medium to large, half turned downwards at maturity, the shape of the seed side is convex. Plant tall, no branching, strong pubescence at the top of the stem. The seed is small to medium-sized, broadly oval, black in color, with stripes. 

Highly oily. Fat content in seeds is 51.3% on average in the region. Medium-early. In some years tended to medium-ripe maturity. 

Resistant to fomopsis, moderately susceptible to Zarazha. 

 

Characteristics of the hybrid 

• Classic early maturing hybrid.
• Plant height - 140-170 cm.
• Highest yield potential in its maturity group
• High growth energy at the initial stages of development
• Plastic to sowing dates
• Very stable hybrid
• In rainy and cloudy weather during and after flowering vegetation can "stretch"

 

Hybrid resistance 

• Resistance to drought - 8/10
• General tolerance to diseases - 8/10
• Resistance to races of infestation - A-E
• Tolerance to sclerotia