SEETHARAM, AVITTALA RAYA KINI, A2019-09-302019-09-301981No . of references 131http://krishikosh.egranth.ac.in/handle/1/5810129842ABSTRACT NOT AVAILABLEennullHISTOLOGICAL AND HISTOCHEMICAL STUDIES IN CYTOPLASMIC AND GIBBERELLIC ACID INDUCED MALE STERILE LINES OF SUNFLOWER(Helianthus annuus L.)Thesis