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Overexpressing TaZnF plants show increased tolerance to cold stress. a Phenotype observed after cold stress given to 1-week-old seedlings for 24 h and left at recovery for 20 days; b measure of plant height, shoot length and root length; c estimation of fresh weight; d number of flowering plants; e photosynthetic efficiency (Fv/Fm); f membrane stability index (MSI); g proline content. h chlorophyll content measured after stress treatment
