THE EFFECT OF COLD, ALTERNATING TEMPERATURES AND NITROGENOUS COMPOUNDS ON SEED GERMINATION OF FERULA OVINA BOISS

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AMOUAGHAEI R.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:16 | Issue:2 Page(s): 159-169

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Information Journal Paper

Title

THE EFFECT OF COLD, ALTERNATING TEMPERATURES AND NITROGENOUS COMPOUNDS ON SEED GERMINATION OF FERULA OVINA BOISS

Author(s)

AMOUAGHAEI R. | Issue Writer Certificate

Keywords

ALTERNATING TEMPERATUREQ3

COLDQ2

FERULA OVINAQ2

GERMINATIONQ3

NITROGENOUS COMPOUNDSQ3

Abstract

Ferula ovina Boiss. is one of forage species that belongs to Apiaceae. According to ISTA reports, seeds of FERULA OVINA have shown dormancy that causes reduction in seed GERMINATION of this species Therefore in this research, a factorial experiment using a randomized complete block design with 3 replications performed for, evaluation of effects of COLD with two levels (with and without prechilling), alternating- temperature regime with three levels (constant temperature 20/20 and alternating , temperature 15/25, 20/30 °c) and NITROGENOUS COMPOUNDS with three levels (control, thiourea and potassium nitrate). The results showed that effects of three factors on GERMINATION of Ferula are significant. ALTERNATING TEMPERATURE regimes stimulated seed' GERMINATION better than constant temperature. In the constant temperature and under the condition of no prechilding, effect of NITROGENOUS COMPOUNDS was not significant but under ALTERNATING TEMPERATURE regime, NITROGENOUS COMPOUNDS (thiourea and potassium nitrate) helped to promote GERMINATION. In non-prechilled seeds, potassium nitrate in ALTERNATING TEMPERATURE of 20/30°C, showed the highest influence on seed GERMINATION percentage. For prechilled seeds, nitrogenous treatments did not have significant effect. Perhaps prechilling was able to induce total effects of NITROGENOUS COMPOUNDS. Interaction between COLD and ALTERNATING TEMPERATURE showed that effects of these two factors is additive and highest seed GERMINATION percentage obtained using prechilled seeds in ALTERNATING TEMPERATURE of 20/30°C. It was concluded that seed dormancy of FERULA OVINA presumably is a type of physiological end dormancy that could be broken by prechilling and ALTERNATING TEMPERATURE.

Cites

PURIFICATION AND STRUCTURE ELUCIDATION OF COMPOUNDS FROM THE ROOTS OF FERULA OVINA BOISS.

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APA: Copy

AMOUAGHAEI, R.. (2006). THE EFFECT OF COLD, ALTERNATING TEMPERATURES AND NITROGENOUS COMPOUNDS ON SEED GERMINATION OF FERULA OVINA BOISS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 16(2), 159-169. SID. https://sid.ir/paper/29023/en

Vancouver: Copy

AMOUAGHAEI R.. THE EFFECT OF COLD, ALTERNATING TEMPERATURES AND NITROGENOUS COMPOUNDS ON SEED GERMINATION OF FERULA OVINA BOISS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;16(2):159-169. Available from: https://sid.ir/paper/29023/en

IEEE: Copy

R. AMOUAGHAEI, “THE EFFECT OF COLD, ALTERNATING TEMPERATURES AND NITROGENOUS COMPOUNDS ON SEED GERMINATION OF FERULA OVINA BOISS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 16, no. 2, pp. 159–169, 2006, [Online]. Available: https://sid.ir/paper/29023/en

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