Table 6 Summary of acronyms used for root system architecture (RSA) traits and their measuring unit
Acronyms | Traits | Measuring Unit |
|---|---|---|
RSA traits | ||
 TRL | Total root length | Centimeter (cm) |
 ARL | Average root length | Centimeter (cm) |
 RGA | Root growth angle | Degree (°) |
 TRN | Total root number | Number (no.) |
 RDW | Bulk root dry weight | Milligram (mg) |
 SDW | Bulk shoot dry weight | Milligram (mg) |
 IRW | Individual root dry weight | Milligram (mg) |
 RSR | Root to shoot ratio | Ratio |
 RT6 | Presence of six seminal roots per seedling | Percent (%) |
 iTGW | Initial thousand grain weight | Milligram (mg) |