Salinity and / or sodicity tolerant plants

By crossing plants with low sodium exclusion and screening for specific SNPs, the method addresses the slow progress in developing salinity and sodicity tolerant crops, achieving improved crop tolerance and yield.

AU2020310945B2Pending Publication Date: 2026-07-09MINIST FOR PRIMARY IND & REGIONAL DEV ACTING THROUGH THE SOUTH AUSTRALIAN RES & DEV INST
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Patent Information

Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
MINIST FOR PRIMARY IND & REGIONAL DEV ACTING THROUGH THE SOUTH AUSTRALIAN RES & DEV INST
Filing Date
2020-07-03
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Current methods for developing salinity and sodicity tolerant crops are slow due to genetic and physiological complexities, lack of reliable screening assays, and limited availability of elite germplasm with salt/sodicity tolerance, with existing genetic markers not effectively implemented in breeding programs.

Method used

A method involving crossing parental plants with low sodium exclusion and screening progeny for salinity and sodicity tolerance, using specific single nucleotide polymorphisms (SNPs) and gene expression profiles to identify and produce tolerant plants.

Benefits of technology

This approach enables the identification and production of salinity and sodicity tolerant plants with improved grain yield, overcoming the limitations of conventional breeding by utilizing a counter-intuitive low sodium exclusion strategy.

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Abstract

The present invention is directed to salinity and / or sodicity tolerant plants. Specifically, methods for producing plants having salinity and / or sodicity tolerance are provided, together with plants produced therefrom. The present invention is also directed to genetic markers (including single nucleotide polymorphisms and genes) associated with salinity and / or sodicity tolerance in plants, as well as methods for identifying plants using said markers. Methods for increasing the salinity and / or sodicity tolerance of a plant are also encompassed herein. Furthermore, the present invention provides wheat plants having salinity and / or sodicity tolerance, as well as salinity and / or sodicity tolerant wheat germplasm and uses thereof.
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