Abstract
The investigation comprises the study of Ascorbic-acid-oxidase (AAO) and Ascorbic acid (AA) of a special variety of groundnut, with reference to gamma irradiation in the range of 10 to 120 Kr units and different periods of germination. Dormant seeds show no AAO and AA. In general both AAO and AA increase with the period of germination. The rate of increase of AA is faster than that of AAO. In case of control and irradiated seeds, AAO and AA after reaching maximum values, decrease once again. The dosage level of 10 Kr is more effective for the optimum activity. AA of control seeds grown in dark attains a maximum value earlier than that of control seeds germinated in light. AA is found to be in increasing order with the increase in radiation dose and for the same period of germination the radiation dose of 120 Kr units has pronounced effect. It has been also noted that amino acids and carbohydrate contents developed during germination play a great role on the behaviour of AA. In case of irradiated seeds the higher AA content produced during germination might not be the only criteria for stimulatory effect on plant growth.
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