TABLE 1.

Sole effect of genotype, treatment, and timings on photosynthetic pigments in rapeseed.

	Chl a [mg/g fresh weight (FW)]	Chl b (mg/g FW)	Chla + b (mg/g FW)
Genotypes
Jiu-Er-13XI	23.5 ± 2.07 b	14.6 ± 0.99 b	38.1 ± 2.95 b
Zheyou-50	32.1 ± 1.15 a	21.1 ± 0.88 a	52.3 ± 2.03 a
Significance	**	**	**
Treatments
Ck	33.2 ± 1.08 a	20.0 ± 0.85 a	53.2 ± 1.79 a
Cd	22.4 ± 1.79 b (−32.35%)	15.7 ± 1.32 b (−21.27%)	37.2 ± 2.83 b (−30%)
Significance	**	**	**
Timings
3DAT	31.1 ± 2.10 a	19.3 ± 1.31	50.4 ± 3.19 a
6DAT	27.1 ± 2.54 b (−12%)	17.9 ± 1.47 (−7.33%)	45.0 ± 3.72 ab (−10.7%)
9DAT	25.2 ± 2.35 b (−18%)	16.4 ± 1.66 (−14.84%)	40.1 ± 3.83 b (−20.36%)
Significance	**	ns	**

DAT, days after treatment; ns, non-significant. **Significant at P ≤ 0.01; numbers in parenthesis show percent increase (+) or decrease (−).