Effect of gamma radiation of 60Co on sunflower plants (Helianthus annuus L.) (Asteraceae), from irradiated achenes

L.E Díaz, S.A.L. García, R.A Morales, R.I. Báez, V.E. Pérez, H.A. Olivar, R.E.J. Vargas, H.P. Hernández, T.E. De la Cruz, A.J.M. García, C.J.M. Loeza

Resumen


In order to know the effect of 60Co gamma irradiation, in the sunflower crop, were irradiated achenes in the Transelektro LGI-01 in the Instituto Nacional de Investigaciones Nucleares. The data was evaluated under a completely randomized design, where the treatments were 0, 100, 200, 300, 400, 500, 600, 700, 800 and 900 Gy and four repetitions (10x4) = 40 experimental units. The response variables were: plant height, root length and volume, dry biomass. The results indicated that germination and sprouting decreased as the radiation increased, adjusting these to a quadratic model. Plant height, length, root volume and dry biomass decreased at high doses. From this investigation it was concluded, that doses of 100 and 200 Gy, have a stimulating effect on plant height and root length, being an important agent, to induce genetic variability in sunflower.


Palabras clave


genetic variability; mutation; phenotype.

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Referencias


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Received May 23, 2018.

Accepted August 13, 2018.

Corresponding author: alejandro.morales@uttehuacan.edu.mx (A. Morales).




DOI: http://dx.doi.org/10.17268/sci.agropecu.2018.03.02

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DOIhttp://dx.doi.org/10.17268/sci.agropecu

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