EFFECTS OF GOSSYPOL AND TANNIC ACID ON THE GROWTH AND DIGESTION PHYSIOLOGY OF COTTON BOLLWORM LARVAE Dtermination of Gossypol in Cotton Root Bark by HPLC The Genetic Effects of the Pigment Gland Genes of Upland Cotton (Gossypium. hirsutum L.)on the Glandless Seeds-Glanded Plant Trait from G. bickii STUDIES ON THE MORPHOLOGICAL CHARACTERS AND PEROXIDE ISOENZYMES OF THE 5 AUSTRALIAN WILD SPECIES OF GOSSYPIUM Observation on the Anatomical Structure of Pigment Glands and Analysis of the Gossypol Content in Gossypium stocksii EFFECT OF PIX TREATING COTTON TO THE OCCURRENCE OF BOLLWORM