WL 3440.RR Brand


  • Combines a fall dormancy rating of 4.0 with a winter-hardiness score of 2.0 for optimum persistence and high yield potential
  • Highly resistant to all six major alfalfa diseases—Phytophthora Root Rot, Bacterial Wilt, Fusarium Wilt, Anthracnose (Race 1), Aphanomyces (Race 1), and Verticillium Wilt
  • Good stress tolerance for dryland, irrigated and saturated soils under intense management situations

Area of Primary Adaption

Agronomic Traits

Fall Dormancy4.0
Recovery After HarvestFast
Disease Resistance Index34/35
Multileaf ExpressionHigh

Key to Charts

HR- High Resistance HQ- High Quality LR- Low Resistance

pest resistance trait

Bacterial WiltHR
Fusarium WiltHR
Anthracnose - Race 1HR
Phytophthora Root RotHR
Aphanomyces Root Rot - Race 1HR
Aphanomyces Root Rot - Race 2R
Verticillium WiltHR
Pea AphidsR
Stem NematodeR

HR- High Resistance HQ- High Quality LR- Low Resistance

WL 3440.RR Brand Outyields the Competition

The industry’s first biotechnology-derived reduced-lignin alfalfa trait provides greater harvest flexibility and overall alfalfa quality.

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Roundup Ready® alfalfa varieties allow growers to maximize the genetic potential of their W-L Alfalfa during critical stand establishment and stand life.

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Privacy and Terms

For the 2020 growing seasons, growers must direct any product produced from HarvXtra® Alfalfa with Roundup Ready® Technology seed or crops (including hay and hay products) only to US domestic use. It is a violation of national and international law to move material containing biotech traits across boundaries into nations where import is not permitted. Growers should talk to their product purchaser to confirm their buying position for this product.

Due to factors outside of Forage Genetics International’s (FGI) control, such as weather, crop production patterns, and other factors, results to be obtained, including but not limited to yields or financial performance, cannot be predicted or guaranteed by FGI. Results are based upon FGI controlled tests and field trials and public trials. Results may vary.

ALWAYS READ AND FOLLOW PESTICIDE LABEL DIRECTIONS. Roundup Ready® crops contain genes that confer tolerance to glyphosate, the active ingredient in Roundup® brand agricultural herbicides. Roundup® brand agricultural herbicides will kill crops that are not tolerant to glyphosate. Roundup Ready® and Roundup® are trademarks of Monsanto Technology LLC, used under license by Forage Genetics International, LLC. HarvXtra® is a registered trademark of Forage Genetics International, LLC. HarvXtra® Alfalfa with Roundup Ready® Technology is enabled with Technology from The Samuel Roberts Noble Foundation, Inc.