عنوان مقاله [English]
نویسنده [English]چکیده [English]
The grains of cultivars Rapeseed Sarigol and RGS003 were irradiated with gamma rays at doses 0, 800, 1000 and 1200 Gary (GY). For M2 generation, the grain of each plant was cultivated in a separate row and all plants were individually investigated during cultivation. According to the observed changes in agronomic traits such as pod length, the number of pods and flowering during M2 generation, 18 and 12 candidate mutant lines were obtained from Sarigol and RGSOO3, respectively. The differences among gamma rays doses were not statistically significant for seed sterility, while they were significant for pollen sterility at the level of 1%. Maximum pollen sterility was observed in 800 GY. Induced mutations in RGS003 and Sariglo cultivars were mostly obtained in 1200 and 800 GY, respectively. The M3 mutant lines in both Rapeseed cultivars contained a variation on traits such as the number of pod per the main stem, the number of pod per plant, pod length, the number of grain per pod, grain weight and flowering duration.
 A.H. Shirani-Rad, A. Dehshiri, Canola guideline (planting, maintenance, harvesting), Agricultural education leaflet (2002) 37.
 S.M. Amer, E. Mikhael, Cytogenetic studies on the effect of co60 gamma–irradiation on Vicia faba. Cytologia 37(2) (1972) 169-174.
 A. Filippetti, Improvement of grain yield in Vicia faba L. by using experimental mutagenesis. Genetica-Agraria 37 (1983) 53-67.
 S.M. Kyin, O.A. Khin, S. Khin, Development of a short duration upland rice mutant line through anther culture of gamma irradiated plants. Mutat. Breed. Newsl. Rev. 1 (2005) 13-14.
 H. Gaul, Critical analysis of the methods for determining the mutation frequency after seed treatment with mutagens. Genetica-Agraria, 12 (1960) 297-318.
 International Atomic Energy Agency, Manual on mutation breeding. Technical Reports Series NO. 119. IAEA Publisher (1977).
 K. Nayl, Breeding value of radio–induced mutant of Vicia faba L. In: seed protein Improvement by nuclear techniques, (1978) 243-252.
 A. Srivastava, V.P. Singh, Induced high yielding broad bean mutant. Mutat. Breed. Newsl. 42 (1996) 8-124.
 M.I. Tutluer, Mutation induction in broad bean (Vicia faba L.) for yield. Mutat. Breed. Newsl. 43 (1997) 32-37.
 X. Wen, L. Qu, Crop improvement through mutation techniques in Chinese agriculture. Mutat. Breed. Newsl. 42 (1996) 3-6.
 M. Maluszynski, B. Sigurbjornsson, E. Amano, L. Sitch, O. Kamra, Mutant varieties. Data bank. FAO/IAEA database. Mutat. Breed. Newsl. 38 (1991) 16-21.
 M. Maluszynski, K. Nichterlein, L. Van Zanten, B.S. Ahloowalia, Official released mutant varieties-The FAO/IAEA database. Mutat. Breed. Rev. 12 (2000) 1-14.