EFFECTS OF SOME PLANT GROWTH REGULATORS ON PHYSIOLOGICAL QUALITY OF BROMUS AGED SEEDS

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ISAVAND H.R.; MADAH AREFI H.

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Paper Information

Journal: Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research Year:2007 | Volume:15 | Issue:2 (28) Page(s): 159-171

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Title

EFFECTS OF SOME PLANT GROWTH REGULATORS ON PHYSIOLOGICAL QUALITY OF BROMUS AGED SEEDS

Author(s)

ISAVAND H.R. | MADAH AREFI H. | Issue Writer Certificate

Keywords

SEED AGINGQ3

BROMUS INERMISQ3

PLANT GROWTH REGULATORS AND PHYSIOLOGICAL QUALITYQ3

Abstract

The recovery of physiological quality of Bromus (Bromus inermis L.) aged seeds was evaluated, using cytokinin, auxin and gibberell in with 25, 50 and 100 ppm concentrations. Percentage of germination, rate of germination, length of radicle and plumule, seedling length and vigor index was decreased significantly by ageing. Auxin at 25 and 100 ppm increased germination percentage of aged seeds. All of plant growth regulators at same concentration showed different effects on germination percentage. Type of plant growth regulators had no significant effect on rate of germination, but increase in concentration of plant growth regulators, significantly decreased germination rate. Seed ageing inhibited growth of radicle more than plumula ones. Radicle seems to be one of susceptible structures to ageing in seed. Auxin some what recovered radicle growth of aged seed. Type of plant growth regulator did not affect radicle length, but plumule growth was promoted by cytokinin and gibberellin. In spit of decreasing Root/Shoot ratio in aged seeds, ageing had no significant effect on it, however, auxin increased this ratio in both aged and non-aged seeds. R/S decreased with increase in plant growth regulator concentration: Frequency of abnormal seed lings decreased by aging but dead seeds increased.

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APA: Copy

ISAVAND, H.R., & MADAH AREFI, H.. (2007). EFFECTS OF SOME PLANT GROWTH REGULATORS ON PHYSIOLOGICAL QUALITY OF BROMUS AGED SEEDS. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, 15(2 (28)), 159-171. SID. https://sid.ir/paper/104185/en

Vancouver: Copy

ISAVAND H.R., MADAH AREFI H.. EFFECTS OF SOME PLANT GROWTH REGULATORS ON PHYSIOLOGICAL QUALITY OF BROMUS AGED SEEDS. IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH[Internet]. 2007;15(2 (28)):159-171. Available from: https://sid.ir/paper/104185/en

IEEE: Copy

H.R. ISAVAND, and H. MADAH AREFI, “EFFECTS OF SOME PLANT GROWTH REGULATORS ON PHYSIOLOGICAL QUALITY OF BROMUS AGED SEEDS,” IRANIAN JOURNAL OF RANGELANDS AND FORESTS PLANT BREEDING AND GENETIC RESEARCH, vol. 15, no. 2 (28), pp. 159–171, 2007, [Online]. Available: https://sid.ir/paper/104185/en

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