Abstract:Cotton, Gossypium hirsutum L. is an indeterminate perennial plant. Th e reproductive organs (squares, flowers and bolls) are successively produced as plants develop; meanwhile, many of the reproductive organs abort and fall off be fore the boll opens. However, those abortions do not result in yield loss but st imulate the plant produces compensation, even over-compensation to enhance lint yield. Therefore, the compensation ability of cotton could be considered as an i mportant part of the integrated pest...