GS 1555 is a mid-late hybrid sunflower developed for high-quality yield. The plant is characterized by high height, green leaf color, and yellow tubular flowers. The hybrid does not branch, has weak leaf pubescence, and weak marginal and internal stripes on seeds. The vegetation period is approximately 119-122 days, allowing the variety to be used in various climatic conditions.
GS 1555 is distinguished by high productivity and disease resistance, making it a reliable choice for agronomists. The average yield in the Central Chernozem region reaches 30.5 c/ha, with maximum yields up to 49.9 c/ha, and in the Volga region, the average yield is 20.3 c/ha with maximum up to 32.2 c/ha. The 1000-seed mass varies from 54.7 to 55.0 grams, and the oil content in seeds reaches 45%, ensuring oil harvest up to 9.0 c/ha.
The GS 1555 hybrid is produced by NIROMEN GLOBAL INC and is registered in the state register since 2017 for the Central Chernozem and Volga regions. Due to its characteristics and adaptability, this sunflower is suitable for cultivation in various agroclimatic zones, ensuring stable and high yields when agronomic requirements are met.
