Our newest early season hybrid exhibits very good oil and yield for its maturity. 634 shows improved health compared to other early hybrids.
Hybrid Type........................................................Oil Adaptability..............................................Early Season Stalk Quality................................................Very Good Standability.................................................Very Good Plant Height..............................................Medium Short Flowering Date*.............................................63-68 Days Days to Physiological Maturity*.....................................91 Self Compatibility...........................................Excellent Field Uniformity.............................................Very Good Drought Tolerance.................................................Good Stem Curvature Class..................................Moderate Upright Test Weight.................................................29-33 lbs. Oil Content....................................................40-44 %
Phoma.............................................................Good Verticillium Wilt............................................Resistant Sunflower Rust....................................Good Field Tolerance
Please refer to the North Dakota State Sunflower Production Guide, Ext. Bulletin Number 25, for general sunflower production guidelines, or call Mycogen Plant Sciences at 1-800-437-6666 for specific recommendations.
* Use as a relative guide only. Actual days to flower, physiological maturity and harvest will vary with planting dates , latitude and environmental conditions.