Fig. 1.

Relationship between root depth and above-ground dry matter (DM) at maturity on a Calcic Lixisol (P = 0·02; r² = 0·28) at Merredin in 2005. Soil sampled for root depth at 75 and 89 d after sowing, respectively. Abbreviations of cultivar and breeding lines: AJA, Ajana; AMY, Amery; BRK, Brookton; CAM, Camm; CAR, Carnamah; CAS, Cascades; C18, Chaun Mai 18; CBK, Cranbrook; CUN, Cunderdin; BR, Bonnie Rock; CR, Castle Rock; GAM, Gamenya; HAL, Halberd; JAN, Janz; KAL, Kalannie; KAR, Karlgarin; MAC, Machete; PER, Perenjori; SPR, Spear; STL, Stiletto; V18, Vigour 18; WST, Westonia; WIL, Wilgoyne; WYK, Wyalkatchem. Modified from Botwright Acuña et al. (2007).