SW4618S

Dormancy 4 Alfalfa

SW4618S is a high-yielding, fall dormancy four variety, bred in saline growing conditions and selected for the ability to maintain improved production of hay in saline soils.

Key Advantages

• Well adapted to Western US FD4 growing areas with salinity challenges in soil or irrigation water
• Relative Feed Quality (RFQ) is above average, 102% of the mean versus RFQ of elite check varieties.
• Yield is 97% of the mean under non-saline growing conditions, but demonstrates 12% more yield retention in moderate to strong saline growing conditions, versus the standard check variety.
• Highly suitable for growing areas that obtain 3-4 cuts per season
• Suitable for saline soils where irrigation water and/or soil contains moderate salt concentration
• Maintains good yield in saline growing conditions, of high quality and quantity of hay or haylage

Major Pest Resistance

• Bacterial Wilt – Highly Resistant
• Fusarium Wilt – Highly Resistant
• Verticillium Wilt – Resistant
• Anthracnose – Highly Resistant
• Phytopthora Root Rot – Highly Resistant
• Aphanomyces (race 1) – Highly Resistant
• Aphanomyces (race 2) – Low Resistance
• Pea Aphid – Highly Resistant
• Spotted Aphid – Highly Resistant
• Stem Nematode – Resistant
• Root Knot Nematode – Highly Resistant

(Pest Resistance Rating Scale: Highly Resistant, Resistant, Moderately Resistant, Low Resistance, Susceptible)

Agronomic Traits

• DRI Score: 30/35
• Fall Dormancy: 4
• Yield: 8
• Winter Hardiness: Very Hardy