2.2. PlantMaterial andGrowth Condit

2.2. PlantMaterial andGrowth Conditions. Asample of seeds of three different semidomesticated cultivars (named here
Ch1, Ch2, and Ch3) was obtained fromthe semiarid regions of the state of Sonora, in Northwest Mexico. These three
cultivars are not significantly different morphologically and grow in different regions of the Sonoran Desert where people
harvest the fruits and aid in seed dispersal.Thethree cultivars were cultivated in an experimental area within a rural land of the municipality of Francisco I. Madero, Coahuila, Mexico (25∘ 46