Identification of Jute(Corchorus capsularis L.) Female Sterile Mutant and Its Physio-biochemical Characteristics

To study the jute’Yue Yuan 6’sterile mutant types and its sterile mechanism,morphological observation of pollen grain,iodine-dye assay,sprouting of pollen assay in vitro and pollination field experiments were carried out.The ’Yue Yuan 6’sterile mutants were female-sterile type.Soluble sugar and the soluble protein displayed dynamic change differently along with the growth time in functional leaves and flowers between the sterile mutant materials and the fertile materials.The content of soluble sugars in the sterile mutant material were lower than the fertile material in bud previous stage in functional leaves;however,this was opposite in the bud phase and productive phase(16.0% and 33.3%,respectively).Content of soluble sugar was lower in bud tissue of sterile mutant material than the fertile materials(15.5%).Soluble protein expression quantity in functional leaves and bud tissues of the fertile material were higher compared to the sterile mutant material in three different periods(3.9%,29.2%,79.1%,11.9%,respectively).The expression of metabolic difference of the above-mentioned may be related to female sterility.