New Group E Rhizobia Inoculant for Field Pea, Lentil and Vetch

Acid tolerant rhizobia improve nodulation of pea, lentil and vetch

Key points

• Inoculation of agricultural legumes is strongly recommended, particularly where legumes are sown into paddocks with acidic soils or where the legume in the same inoculation group has not been sown for a number of years.
• A new high-performing rhizobia strain for Group E (field pea, lentil and vetch inoculant) with improved nitrogen fixation and acid soil tolerance will be available for the 2024 season.
• The new strain (WSM-4643) will replace existing strains (WSM-1455/SU-303).
• Lentil has moved from Group F to Group E.
• Strain WSM-4643 will provide optimal crop nodulation down to soil pHCa 5.0 and improved nodulation down to pHCa 4.6.

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