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N4H490 E


"This is our first commercial hybrid with advanced downy mildew resistance, giving growers unsurpassed protection against downy mildew in combination with top seed treatments."

N4H490 E

N4H490 E is part of Nuseed’s expanding Express portfolio. It’s also the first of many products coming down the pipeline with advanced downy mildew resistance. This high oleic oilseed is able to compete in the field with its root strength, excellent oil content and yield.


If you’re looking for more information about our products, please visit our resources section where you can find annual seed trial data, product guides, herbicide information and our annual Nuseed Succeed Magazine.  

Seed Disease Resistance

Downy Mildew Resistant: Yes

Sunflower Seed Market Options​

Primary Market: High Oleic Crush

Secondary Market Options: Bird Food

Seed Treatment

Nuseed hybrids are treated with fungicide and insecticide seed treatment to protect your seed investment.

Management Recommendations

  • Recommended planting rate: 18,000-23,000 plants per acre

Seed Characteristics​

Yield for Maturity: 9

Test Weight: 8

Oil Content: 8

Plant Height: 8

Rating Scale 1=Poor, 9=Excellent
Plant Height Scale 1=Shortest, 9=Tallest

Seed Agronomics​

Emergence: 8

Drought Tolerance: 8

Uniformity at Flowering: 9

Dry Down: 6

Late Season Plant Health: 8

Stalk Rating: 7

Root Rating: 7


Rating Scale 1=Poor, 9=Excellent


Sunflower hybrids with the ExpressSun® trait for resistance to tribenuron-methyl herbicides labeled for use with the ExpressSun trait. This unique sunflower system is designed to maximize weed control in sunflower crops, enhancing ease of production and yield. This system provides improved weed control over conventional hybrids with traditional herbicides. TM ® Trademarks of Corteva Agriscience and its affiliated companies.

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