⚠️ Too much XA21 in flowers = reduced fertility
🔧 OsRBL3b = spikelet-specific protease that cleaves XA21 in spikelets
✅ Fertility restored, immunity intact.
⚠️ Too much XA21 in flowers = reduced fertility
🔧 OsRBL3b = spikelet-specific protease that cleaves XA21 in spikelets
✅ Fertility restored, immunity intact.