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Dormancy 4 Alfalfa

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SW404S is a blend of S&W alfalfa germplasm, containing an elite salt tolerant variety along with high yielding, winter hardy conventional alfalfa. Broad adaptability to both saline and non-saline growing conditions. Adapted to Plains and Western US FD4 growing areas.

Key Advantages

  • Good establishment, yield and stand longevity in fields where irrigation water and/or soil contains moderate salt concentration
  • Highly suitable for fields with saline spots where salt tolerance is helpful, but not needed across the entire field
  • Adaptable where winter and spring precipitation drive salts down, but irrigation water applied later in the season has moderate salinity
  • Includes a fall dormant salt tolerant variety bred in saline growing conditions and selected for the ability to maintain improved alfalfa production in saline soils
  • Best-suited to fields with moderate saline growing conditions, and fields with variable saline conditions
  • The blend of high yield plus salt tolerant germplasm can help boost yields during heavy spring growth after winter precipitation drives down soil salt concentration
  • The salt tolerant component helps preserve more yield when soils become drier or when saline irrigation water affects salinity levels late in the growing season.

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) – Resistant
  • Aphanomyces (race 2) – Resistant
  • Pea Aphid – Highly Resistant
  • Spotted Aphid – 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: 32/35
  • Fall Dormancy: 4
  • Yield: 8
  • Winter Hardiness: Very Hardy

Where to Buy

We sell our products to more than 35 countries around the world. Our team of agronomists can help you find the variety best suited to your growing environment.