SW8421

SW8421

Product catalog summary
Overview: The document is a product bulletin for SW 8421S, a non-dormant group 8 alfalfa variety developed by S&W Seed Company. It highlights the variety's high yield potential, salt tolerance, and pest resistance.
Key Advantages:
  • SW 8421S is a non-dormant group 8 variety that produces high forage yields in both saline and non-saline conditions.
  • The variety exhibits erect growth with rapid recovery after cutting.
  • In University of Arizona salinity trials, SW 8421S outperformed standard salinity check entries by 39% and 32%.
  • In UC trials in Fresno County, California, and Tucson, Arizona, SW 8421S produced 18% and 17% more hay than CUF 101, respectively.
  • Stand persistence was 96% after three years in Tucson, compared to 61% for CUF 101.
Major Pest Resistance:
  • Highly resistant to Bacterial Wilt, Fusarium Wilt, and Spotted Alfalfa Aphid.
  • Resistant to Phytophthora Root Rot, Pea Aphid, Blue Alfalfa Aphid, and Southern Root Knot Nematode.
Trial Results:
  • SW 8421S consistently outperformed the mean yield in trials conducted from 2006 to 2008, with yields 101-111% above the mean.
  • In head-to-head trials, SW 8421S showed a yield advantage of 113-116% over competitors.
Conclusion: SW 8421S is a highly productive alfalfa variety with excellent salt tolerance and pest resistance, making it a superior choice for high-yield forage production.
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Catalog excerpts

SW8421-1

Proven to be the highest yielding, salt-tolerant, Dormancy 8 Alfalfa in multiple University trials. • A non-dormant group 8 variety, produces high forage yields with or without salty conditions. • Growth is erect with rapid recovery after cutting. • Using irrigation water with an Electrical Conductivity rating of 15 (very salty water), SW 8421S out-produced both the standard salinity check entry (AZ-90NDC-ST) and Salado by 39% and 32% respectively in University of Arizona salinity trials at Tucson. SW 8421S vs Mean of all Summary Entries SW8421 Rank other 104% • Stand persistence in a three year trial at Tucson, Arizona was 96% at the end of three years, compared to CUF 101 variety, which had a 61% survival of plants at that time. • SW 8421S has produced 18% more hay than CUF 101 in the UC trials in Fresno County, California and 17% more than CUF 101 in Tucson, Arizona. Tons / Acre Trial results SW 8421S goes Head toHead to Headwith the Competition Head SW 8421 Trial results prove SW 8421S out yields the competition. Average Yield Advantages 115% Major Pest Resistance Bacterial Wilt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Highly Resistant Fusarium Wilt. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Highly Resistant Spotted Alfalfa Aphid . . . . . . . . . . . . . . . . . . . . . . . . . . Highly Resistant Phytophthora Root Rot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Resistant 105% % Above Yield Blue Alfalfa Aphid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Resistant Southern Root Knot Nematode.. . . . . . . . . . . . . . . . . . . . . . . Resistant S&W Seed Company Five Points, California 93624 559-884-2535 | 559-4

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