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Induced variability for heading date plant height and tiller number in triticale



Induced variability for heading date plant height and tiller number in triticale



Pakistan Journal of Scientific & Industrial Research 25(3): 77-79



Induced variability for heading date, plant height and tiller number in M2 populations derived from .gamma.-rays and EMS [ethylmethylsulfonate] treated seeds of 2 triticale cultivars, 'DR-IRA (T33)' and 'Beagle (T937)', was assessed. For heading, the varieties responded differently. Earliness was induced in 'Beagle (T937)' while a mean response of lateness was induced in 'DR-IRA (T33)'. Plant height was decreased in all treatments except EMS treatment of 'DR-IRA'. In 'Beagle' progeny of 1 plant in 25 kR dose produced all dwarf plants with stiff stems. The mutagenic treatments in general have a depressive effect on tillers per plant. Variability was substantially enlarged in all the treated populations of both the varieties.

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