Engineering Research Center of Plant Growth Regulator of Education/College of Agronomy and Biotechnology Agricultural University 100193.R.China;
Department of Soil Science of Agriculture and Wildlife Resources Management of Calabar 540271;
Hebei Cottonseed Engineering Technology Research Center 062450.R.China;
COTTON; mepiquat chloride; THIDIAZURON; ETHEPHON; DEFOLIATION; MATURITY;