Plant vogour
Based on the plant width and height 3-4 weeks afetr sowing
Legend:
Non-vigrous Height less than 37 cm and width less tham 75 cm
Intermediate Height greater than 37 cm or width greater than 75 cm
Vigrous Height greater than 37 cm and width greater than 75 cm
Very vigrous Height greater than 50 cm and width greater than 1 cm