EVALUATION CARDINAL TEMPERATURES OF GERMINATION IN RICE (ORIZA SATIVA L.) CULTIVARS

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GHOLAMI TILEBENI H.; KORD FIROUZ JAEE GH.; ZEINALI E.

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Paper Information

Journal: SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY) Year:2012 | Volume:1 | Issue:1 (1) Page(s): 41-52

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Information Journal Paper

Title

EVALUATION CARDINAL TEMPERATURES OF GERMINATION IN RICE (ORIZA SATIVA L.) CULTIVARS

Author(s)

GHOLAMI TILEBENI H. | KORD FIROUZ JAEE GH. | ZEINALI E. | Issue Writer Certificate

Keywords

TEMPERATUREQ2

SEED GERMINATIONQ2

CARDINAL TEMPERATURESQ2

NONLINEAR MODELSQ2

Abstract

Understanding the SEED GERMINATION response of cultivated genotypes to TEMPERATURE is important, agronomically. The genotypes that germinate in lower TEMPERATUREs could be useful for situations where TEMPERATUREs are low in germination stage. Therefore, this experiment was conducted to study the cardinal TEMPERATUREs, response to sub- and supra-optimal TEMPERATUREs and thermal tolerance of SEED GERMINATION in 15 rice cultivars from the north of Iran. The effects of seven constant TEMPERATUREs between 12, 16, 20, 25, 27, 30, 33, 36 and 40oc on the SEED GERMINATION characteristics were also evaluated. The base (Tb), optimum (To) and maximum or ceiling (Tc) TEMPERATURE for germination changed from 10.06 to 11.69oc, 30.42 to 32.97oc and 40.15 to 43.84oc, respectively. The analysis of variance revealed no significant differences between cultivars for cardinal TEMPERATUREs. The effect of cultivar on thermal tolerance was not also significant, but differences between cultivars for thermal tolerance in supra-optimal TEMPERATUREs were more than sub-optimal TEMPERATUREs. Generally, all cultivars were more responsive to supra-optimal TEMPERATUREs than sub-optimal TEMPERATUREs. In the other hand, the slope of regression line of germination rate (GR) versus supra-optimal TEMPERATUREs was more than that of sub-optimal TEMPERATUREs.

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APA: Copy

GHOLAMI TILEBENI, H., KORD FIROUZ JAEE, GH., & ZEINALI, E.. (2012). EVALUATION CARDINAL TEMPERATURES OF GERMINATION IN RICE (ORIZA SATIVA L.) CULTIVARS. SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY), 1(1 (1)), 41-52. SID. https://sid.ir/paper/226598/en

Vancouver: Copy

GHOLAMI TILEBENI H., KORD FIROUZ JAEE GH., ZEINALI E.. EVALUATION CARDINAL TEMPERATURES OF GERMINATION IN RICE (ORIZA SATIVA L.) CULTIVARS. SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY)[Internet]. 2012;1(1 (1)):41-52. Available from: https://sid.ir/paper/226598/en

IEEE: Copy

H. GHOLAMI TILEBENI, GH. KORD FIROUZ JAEE, and E. ZEINALI, “EVALUATION CARDINAL TEMPERATURES OF GERMINATION IN RICE (ORIZA SATIVA L.) CULTIVARS,” SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY), vol. 1, no. 1 (1), pp. 41–52, 2012, [Online]. Available: https://sid.ir/paper/226598/en

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