The objective of this study was to characterize the development chia plants sown at different dates, and determine relation between duration cycle final number leaves leaf appearance rate on main stem. A field experiment conducted in agricultural year 2016/2017 five sowing dates (09/22/16, 10/28/16, 01/03/17, 02/08/17 03/24/17) edaphoclimatic conditions central region RS, Brazil. randomized blo...