Browsing by Author "Abubakar I."

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    EVALUATION OF GAMMA IRRADIATED MUTANTS OF SESAME (Sesamum indicum L.) FOR YIELD AND YIELD PARAMETERS
    (Genetic Society of Nigeria, 2023-03-26) Ahmed K.; Muhammad M.L.; Daudu O.A.Y.; Abubakar I.; Audu M.A.I; Idris Y.
    Mutation breeding is applied in many crop improvement programs as it can rapidly create the variability of inherited traits in crops. This study was designed to evaluate the yield potential of some mutant (M4) lines of sesame. Eleven M4 mutant lines alongside three checks were raised to maturity in a randomized complete block design (RCBD) in Minna and trial fields of National Cereals research institute, Badeggi. The results revealed M5 mutant lines showed significant changes in some of the parameters measured. Site1 (Minna) showed improved yield traits than Site2 Badeggi). ML11A11 exhibited the lowest days to 50% flower (47.00; 41.33). ML1A9 site1 showed the highest 1000 seed weight (3.02g), ML3A7 in site1 (2.41 g). The capsule per leaf axil in C1A12 Site2 obtained the highest (2.67). ML4A6 Site1 showed highest number of capsule (123.67). The highest yield per hectare was recorded mutant ML8A2 Site1 (779.63 kg/hectare); ML6A4 Site1 (681.86 kg/hectare); (672.59 kg/hectare). The results especially for yield, revealed the possibility of new varieties of sesame from the mutant lines, thus presenting gamma irradiation as a very effective mutagen for improvement of the crop.
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    EVALUATION OF GAMMA-RAY INDUCED MUTANT LINES OF SESAME (Sesamum indicum L.) FOR PHYSICOCHEMICAL PARAMETERS OF THE SEED-OIL
    (Genetic Society of Nigeria, 2023-03-26) Idris Y.; Muhammad M.L.; Madaki F.M.; Abubakar I.; Daudu O.A.Y.; Audu M.A.I; Ahmed K.
    The physicochemical properties of sesame oil determine its application and also form the criteria for genetic improvement of the crop. Most of the released sesame varieties in Nigeria do not consider oil properties of the seed and where it is only oil quantity is used. This study was conducted to evaluate the physicochemical parameters of gamma-ray induced mutant M5 lines of sesame seed oil. The physicochemical parameters determined include the refractive index, free fatty acid, ester, glycerine, viscosity, iodine, peroxide, saponification, unsaponification and acid values. The results revealed M5 mutant lines displayed significant disparity in some of the parameters measured. The highest values in viscosity (10.00, 10.00), Saponification (219.49), Acid (3.14), ester (217.55) were from NCRIBEN-03L, 03L-250-G1-1; 01M-350-G1-2, 01M-350-G2-2-2 and 01M-350-G1-2 (217.55) respectively, while the least values for the respective parameters were from 03L-450-G2-2 (4.00); 04E-550-G1-3 (172.43); 04E-550G2-3 (0.4) and 04E-550-G1-3 (171.92). The study deduced that gamma-ray irradiation could be used as a tool for the improvement of seed oils. Oils from mutants (NCRIBEN-03L, 03L-250-G1-1; 01M-350G1-2, 01M-350-G2-2-2 and 01M-350-G1-2) have the potential to be used for cosmetic industry and Mutants (03L-450-G2-2; 04E-550-G2-3) for domestic and confectionery applications.