CARDINAL TEMPERATURES FOR GERMINATION OF ROSELLE (HIBISCUS SABDARIFFA L.)

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JAVADZADEH SEYYED MAHDI; REZVANI MOGHADDAM PARVIZ; BANAYAN AVAL MOHAMMAD; ASILI JAVAD

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Journal: IRANIAN JOURNAL OF SEED RESEARCH Year:2016 | Volume:3 | Issue:2 Page(s): 129-141

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Title

CARDINAL TEMPERATURES FOR GERMINATION OF ROSELLE (HIBISCUS SABDARIFFA L.)

Author(s)

JAVADZADEH SEYYED MAHDI | REZVANI MOGHADDAM PARVIZ | BANAYAN AVAL MOHAMMAD | ASILI JAVAD | Issue Writer Certificate

Keywords

CARDINAL TEMPERATURESQ1

GERMINATION RATEQ2

PLANT MEDICINALQ2

REGRESSION MODELSQ1

Abstract

Roselle is an important medicinal and industrial plant of the family of Malvaceae, and is planted in vast areas of Sistan and Baluchestan. In a laboratory study, the effect of varying temperatures on seed germination of Hibiscus sabdariffa was investigated and minimum, optimum and maximum temperatures for its germination were determined in a completely randomized design with four replications. For this purpose, temperatures 5, 10, 15, 20, 25, 30, 35, 40, 45 and 50°C were considered in each treatment. CARDINAL TEMPERATURES for germination were determined consistent with three models (i.e., Intersected-lines Model, Five-Parameters Beta Model and Quadratic Polynomial Model). The traits measured were germination percentage, speed of germination and mean germination time. The temperature effect on all the measured traits was significant. The results of the regression analysis showed that the best model in terms of cardinal point of this plant is the Five-Parameters Beta Model. Given the results of this model, the minimum and the optimal temperatures for the germination of Roselle are 4.04°C, and 29.83°C, respectively.

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APA: Copy

JAVADZADEH, SEYYED MAHDI, REZVANI MOGHADDAM, PARVIZ, BANAYAN AVAL, MOHAMMAD, & ASILI, JAVAD. (2016). CARDINAL TEMPERATURES FOR GERMINATION OF ROSELLE (HIBISCUS SABDARIFFA L.). IRANIAN JOURNAL OF SEED RESEARCH, 3(2 ), 129-141. SID. https://sid.ir/paper/263519/en

Vancouver: Copy

JAVADZADEH SEYYED MAHDI, REZVANI MOGHADDAM PARVIZ, BANAYAN AVAL MOHAMMAD, ASILI JAVAD. CARDINAL TEMPERATURES FOR GERMINATION OF ROSELLE (HIBISCUS SABDARIFFA L.). IRANIAN JOURNAL OF SEED RESEARCH[Internet]. 2016;3(2 ):129-141. Available from: https://sid.ir/paper/263519/en

IEEE: Copy

SEYYED MAHDI JAVADZADEH, PARVIZ REZVANI MOGHADDAM, MOHAMMAD BANAYAN AVAL, and JAVAD ASILI, “CARDINAL TEMPERATURES FOR GERMINATION OF ROSELLE (HIBISCUS SABDARIFFA L.),” IRANIAN JOURNAL OF SEED RESEARCH, vol. 3, no. 2 , pp. 129–141, 2016, [Online]. Available: https://sid.ir/paper/263519/en

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