Sunflower SA 578 R

Field Performance of SA 578 R

When choosing a sunflower hybrid compatible with the Clearfield (Euro-Lightning) system, stability is the top priority. With a vegetation period of 100-110 days, it acts as a predictable, middle-of-the-road choice that rarely disappoints when harvest time comes.

Protection and Resilience

The biggest challenge for an agronomist is usually head and stem diseases. SA 578 R feels quite comfortable here, thanks to its robust genetic immune system. Its resistance to downy mildew (peronospora) is also quite impressive.

• Vegetation Cycle: 100–110 days, fitting perfectly before autumn rains begin.
• Plant Height: 160–170 cm. It is not overly tall, making lodging impossible even during heavy wind gusts.
• Oil Content: 45–50%. A very stable result that ensures good quality when selling to local elevators.

Sowing and Harvesting Practicalities

The seeds have an elongated, narrow-egg shape and medium size, which makes calibrating precision seeders much easier — fewer doubles and misses. During harvest, the medium-sized, convex heads do not shatter, which minimizes harvesting losses. The black color of the seeds visually confirms their fullness and maturity during the threshing process.

Using the Euro-Lightning herbicide system is a breeze, leaving fields weed-free with minimal effort. In climates that can be unpredictable, this hybrid is a reliable solution for anyone who prefers consistency over gambling with their yields.