Short Season Management Practices with Pima Cotton

Under California production conditions, Pima cotton varieties are generally considered  to be long growing season cottons, requiring a growing season as much as 2 to 3 weeks longer than typical for  Acala Upland varieties.   Management practices with some potential to assist with earlier crop maturity have been evaluated during multiple growing seasons in field trials in clay loam and sandy loam soils.  Impacts of varietal growth habit differences, varying intensities and timing of delayed irrigations, and plant growth regulator management on crop yield and some hvi quality parameters will be discussed.