Preventive effective of Black cumin and Caster plant oils on chromosomal aberration in Onion Allium cepa root

O.O, Galawezh

	Preventive effective of Black cumin and Caster plant oils on chromosomal aberration in Onion Allium cepa root
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 12, Issue 1, 2012, Pages 197-200
Author
Galawezh O.O
Abstract
Abstract : A present study investigates the mutagenic effects of Ethyl Methane Sulphonate (EMS) and Preventive effective of Black cumin (Nigella sativa) and Caster plant (Ricinus communis) oils on the root tip cells of onion (Allium cepa) using three concentrations of EMS (10,20, and 30 µg /L).Several cytological abnormalities were found ,such as chromosome bridges ,fragment, deviation and pulverization chromosome.The following results were concluded; The ability of EMS to increase chromosomal aberration in root tip cells of onion such as Chromosome bridge, fragment, deviation and pulverization chromosome. The third concentration of EMS has more effective than other concentrations. The use of antimutagenes of Black cumin to treat the 1st con of EMS leading to lowering the effective of EMS by decreasing the level of chromosome aberration including fragment ,deviation, bridge and pulverization. The use of anti mutagen Ricinus leading to lowering the level of chromosome aberration but not as Nigellia in lowering the level of chromosome aberration. The use of 2nd con. of Black cumin and Caster plant leading to lowering the level of chromosomes aberration more than 1st con. , high significant effect of Black cumin will observed.The use of third con. Of anti mutagen lead also to lowering the effect of EMS and chromosome aberration specially deviation and pulverization. We concluded that the effect of anti mutagen of Black cumin in all cons leading to lowering the effect of EMSand decrease the level of chromosome aberration.
Keywords
Black cumin; Caster plant; Onion Allium cepa

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