Table 4.
F statistics of the variations of physiological parameters in plantlets of the different accessions
| Trait | Genotype effect | Treatment effect | Genotype × treatment |
|---|---|---|---|
| Fv/Fm | 11·88*** | 2718·39*** | 8·65*** |
| Chlorophyll content | 7·90*** | 349·42*** | 4·46*** |
| Carotenoid content | 7·25*** | 207·24*** | 5·58*** |
Absolute levels of physiological parameters (Fv/Fm, shoot chlorophyll content and shoot carotenoid content) were measured as described in the Methods in plantlets grown for 2 weeks in the absence of atrazine and transferred for 5 d in the absence or presence of 10 µm atrazine. The whole set of accessions and of data was analysed using a two-way ANOVA with the genotype and treatment as main effects, and with genotype × treatment as interaction effect. *** P < 0·001.