This study was financially supported by the 948 Program from Ministry of Agriculture of China(2016-X25);the National Key Technology R&D Program of China(2014BAD09B03);The authors are grateful to Dr.William J.Gale(Shihezi University,China)for his helpful revision of the paper especially in English language.
Plant growth regulators(PGRs)are frequently used to adjust cotton growth and development.The objectives of this study were to determine how PGRs affect plant morphology,light distribution and the spatial distribution ...