PEMANFAATAN RADIASI GAMMA Co-60 DALAM PEMULIAAN TANAMAN TOMAT (Lycopersicon esculentum L.) DENGAN METODE MUTAGEN FISIK

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Abstract

By : I Gst A. Ngr Ari Kusuma P

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Faculties : Fakultas Matematika dan Ilmu Pengetahuan Alam

Department : S1 Fisika

ABSTRACT A research on Co-60 gamma radiation effect of induced mutation in physiological growth of tomato plant (Lycopersicon Esculentum L.) has been done. One way to improve the quality of plant could be achieved through Co-60 gamma radiation induced mutation. The Co-60 gamma radiation from IRPASENA machine exposed on tomatoís seed with dosage treatment of 50 Gy, 100 Gy, 150 Gy, 200 Gy and 250 Gy. The measurement carried out against the physiological growth of plant height, leaves width, amount and weight of tomato fruits at the first week until harvest time. Result shows that the correct radiation dosage for tomato breeding is 100 Gy. Utilizing the statistics test ANOVA using SPSS program version 17.0, the height of tomato plant and leaves width havenít shows significant different (p ? 0,05) however, for amount and weight of fruits shows significant difference (p?0,05) between dosage treatment of 0 Gy and 100 Gy. Radioactivity concentration in improved tomato fruits after radiation exposure is less than 1,00 Bq/kg. Vitamins content on improved tomato fruits after exposure, particularly on vitamin C is 0,13% compared to control fruit that is 0,07%, the vitamin B1 also shows increased value (0,63 mg/kg) compared with control fruit (0,496%) Keywords: Tomato plant breeding, Co-60 gamma radiation, Co-60 gamma radiation concentration

Keyword : Keywords: Tomato plant breeding, Co-60 gamma radiation, Co-60 gamma radiation concentration

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