Radiosensitivity in callus tissues of soybean(glycine max.(L.)merril)
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Radiosensitivity of soybean as expressed by callus growth was examined after exposure of primary leaf explants with gamma rays.The leaf explants were irradiated 24 hours after incubation on the medium with gamma radiation doses of 0,5,7.5,10,25,50,75 and 100 Gy from Co-60 source. At the 30-day culture of callus the percentage of callus formation from irradiated explants was not different from the percentage of control callus formation. The decreasing average callus fresh weights were in connection with the increasing doses of the radiation and this relationship was significant (P<0.05).The differences between the doses of 5 Gy with 50 Gy and 100 Gy were significant (P<0.05) and the Gr-50 dose was found as 37 Gy for J-357 soybean variety.But the comparison of close doses of radiation was not significant from the point of decreasing average callus fresh weight
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Atak, Çimen; Alikamanoğlu, S.; Yalçın, S. (1999)In our research, the seeds of J-357 soybean variety were irradiated with 50, 100, 200, 300 and 500 Gy of gamma rays. Callus and meristem cultures were established from the primary leaves and apical meristem of 5-day-old ...
Özbek, N.; Atak, Çimen (1984)Efficiency of gamma irradiation on certain characteristics such as seedling height and dry weight of Amsoy-71 and Calland soybean varieties has been measured considering to use this mutagen effectively in mutation breeding. ...
Çelik, Özge; Atak, Çimen (InTech, 2017-05)As a predicted result of increasing population worldwide, improvements in the breeding strategies in agriculture are valued as mandatory. The natural resources are limited, and due to the natural disasters like sudden ...