Materials and Methods
2 Experiments Located in Ciudad Obregon, Sonora, Mexico
Design: Split-plot RCB with 3 replications
42 breadwheat and Durum varieties
Plot size: 2 beds of 0.80m x 5 m =8 m2
Varieties (42), Breadwheat & Durum
Seeding rate: Breadwheat - 100 kg/ha; Durum Wheat - 125 kg/ha
SPAD (soil plant analysis development unit) (transmittance at 430 and 750nm)