Table I.

Morphology of 10-d-old wild-type and d61 mutants^a

	Wild Type	d61-1 (Mild)	d61-2 (Intermediate)	d61-4 (Severe)
Leaf blade (cm)	1.15 ± 0.15	1.19 ± 0.20	1.22 ± 0.38	0.69 ± 0.46
Leaf sheath (cm)	2.70 ± 0.37	1.75 ± 0.22	1.67 ± 0.23	0.10 ± 0.03
Leaf blade/leaf sheath	0.42	0.68	0.73	7.11
Seminal root length (cm)	5.65 ± 0.96	6.78 ± 1.48	8.66 ± 1.46	4.36 ± 0.83
No. of lateral roots	16.9 ± 2.3	14.3 ± 2.0	11.3 ± 0.9	12.6 ± 2.6
No. of crown roots	7.7 ± 1.7	6.4 ± 0.9	5.0 ± 0.9	3.9 ± 0.9

^aData represent the means ± sd of 10 plants in each line.