Effect of sowing date on phenological traits and duration of development period (days) of Chenopodium glaucum and Amaranthus retroflexus.

Emergence date, bolting date, flowering date, and death date indicate the date of initiation of each.Emergence period, the interval from sowing date to emergence date (emergence date of each sowing was same, here all SE were zero). Vegetative period, the interval from emergence date to bolting date. Flowering period, the interval from bolting date to flowering date. Post-reproductive period, the interval from flowering date to death date. Reproductive period, the interval from bolting date to death date. Life period, the interval from emergence date to death date.Values are mean with SE in parentheses.Different letters for the same attribute for each plant species indicate significant difference among sowing dates at P Effect of sowing date on phenological traits and duration of development period (days) of Chenopodium glaucum and Amaranthus retroflexus.