Table 4.
Awned and awnletted means for spike and spikelet characteristics measured at maturity on 16 awned-awnletted NILs representing four genetic backgrounds from rainfed and irrigated (in parenthesis) environments in the three Managed Environment Facilities (at Merredin, Narrabri and Yanco) in 2012–2013
| Awn length (mm) |
Total number of spikelets (n) |
Number of fertile spikelets (n) |
Number of sterile spikelets (n) |
Central spikelets (per spikelet) | Distal spikelets (per spikelet) | Ear harvest index | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total grain weight (mg) |
Number of grains (n) |
Average grain weight (mg) |
Total grain weight (mg) |
Number of grains (n) |
Average grain weight (mg) |
||||||
| wt | |||||||||||
| +Awns | 59 (64) | 18.9 (19.3) | 14.9 (16.2) | 3.94 (3.11) | 110 (122) | 2.98 (3.14) | 37 (39) | 50 (61) | 1.53 (1.91) | 33 (32) | 0.672 (0.694) |
| –Awns | 5 (7) | 18.6 (19.1) | 15.7 (16.7) | 2.90 (2.31) | 106 (122) | 3.19 (3.40) | 33 (36) | 50 (63) | 1.78 (2.16) | 28 (29) | 0.723 (0.744) |
| t test | ** (**) | ns (ns) | * (#) | ** (**) | ns (ns) | # (*) | ** (*) | ns (ns) | * (**) | ** (*) | ** (**) |
#, *, **: Means are statistically different at P=0.10, 0.05, and 0.01, respectively; ns denotes means are not statistically different at P=0.05.