15-meter rows of AtHSP101 Plus Coker 312 and AtHSP101 minus Coker 312, were planted in an East-West orientation on Day of Year 123 (May 3, 2007) in field 103 at the University of Arizona, Agricultural Experiment Station in Maricopa, AZ under APHIS notification #07-082-104n. Standard cultural practices were utilized throughout the experiment. The plants were maintained in a well-watered state by furrow irrigation. Twenty individual plants were randomly selected and mapped for boll production on Day of Year 271 (September 28, 2007).
The daily maximum and minimum air temperatures for August and September 2007 in Maricopa, Arizona were obtained during the experiment from the monthly data located on Weather.com.