Non-destructive phenotyping for early seedling vigor in direct-seeded rice

Table 1 Growth parameters observed by manual sampling and ANOVA for seven rice genotypes at 14 days after sowing

Traits	LB-46	GM-217	AC38399	ARC10656	Vandana	Sabita	Varshadhan	ANOVA
Shoot length (cm)	24.22 ± 1.36	30.78 ± 0.83	23.40 ± 1.63	22.3 ± 1.19	27.76 ± 0.65	20.28 ± 0.64	22.82 ± 1.05	**
Root length (cm)	14.98 ± 0.28	15.34 ± 1.47	16.76 ± 0.78	16.26 ± 0.77	18.48 ± 1.27	17.24 ± 0.46	19.94 ± 3.73	NS
Shoot dry weight (g)	0.0466 ± 0.007	0.059 ± 0.008	0.0382 ± 0.005	0.033 ± 0.001	0.0528 ± 0.002	0.0342 ± 0.004	0.0996 ± 0.05	NS
Root dry weight (g)	0.0182 ± 0.002	0.0246 ± 0.006	0.0174 ± 0.002	0.020 ± 0.004	0.0212 ± 0.002	0.0192 ± 0.002	0.0146 ± 0.0015	NS
Seed weight with mesocotyl	0.0154 ± 0.002	0.0494 ± 0.03	0.0108 ± 0.006	0.0062 ± 0.001	0.0132 ± 0.001	0.0094 ± 0.005	0.01 ± 0.001	NS
Mesocotyl length (cm)	0.38 ± 0.04	0.34 ± 0.02	0.32 ± 0.03	0.30 ± 0.04	0.34 ± 0.02	0.30 ± 0.04	0.38 ± 0.03	NS
Stem thickness (mm)	1.47 ± 0.07	1.25 ± 0.02	1.14 ± 0.08	1.38 ± 0.06	1.40 ± 0.008	1.10 ± 0.06	1.32 ± 0.028	**
Leaf number/plant	3.6 ± 0.24	4.0 ± 0.31	3.0 ± 0.05	3.2 ± 0.2	3.0 ± 0.01	3.0 ± 0.001	3.6 ± 0.24	**
First leaf weight (g)	0.0032 ± 0.0004	0.0034 ± 0.0003	0.0030 ± 0.0004	0.0030 ± 0.0002	0.0048 ± 0.0003	0.0044 ± 0.003	0.0026 ± 0.0004	NS
Second leaf weight (g)	0.0088 ± 0.003	0.0078 ± 0.001	0.0086 ± 0.001	0.0058 ± 0.002	0.0108 ± 0.005	0.0068 ± 0.007	0.0064 ± 0.006	NS
Third leaf weight (g)	0.0094 ± 0.004	0.0098 ± 0.004	0.0096 ± 0.002	0.0078 ± 0.003	0.0168 ± 0.006	0.007 ± 0.005	0.0108 ± 0.004	*

ISSN: 1746-4811