INVESTIGATIONS ON THE CARDINAL TEMPERATURES FOR GERMINATION OF PLANTAGO OVATA AND PLANTAGO PSYLLIUM

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TABRIZI L.; NASIRI MAHALATI MAHDI; KOUCHAKI ALI REZA

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Journal: Iranian Journal of Field Crops Research Year:2005 | Volume:2 | Issue:2 Page(s): 143-150

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Title

INVESTIGATIONS ON THE CARDINAL TEMPERATURES FOR GERMINATION OF PLANTAGO OVATA AND PLANTAGO PSYLLIUM

Author(s)

TABRIZI L. | NASIRI MAHALATI MAHDI | KOUCHAKI ALI REZA | Issue Writer Certificate

Keywords

CARDINAL TEMPERATUREQ3

GERMINATION PERCENTAGEQ2

PLANTAGO OVATAQ3

PLANTAGO PSYLIUMQ3

Abstract

A laboratory study was conducted to investigate the effect of different temperatures on seed germination of two species of Plantago namely P. ovata and P. psyllium in a completely randomized design with four replications. Various constant temperature (5, 7, 10, 15, 20, 25, 30 and 35°c) were considered. According to the results, the effect of temperature on rate and percentage of seed germination in both species was significant. The highest germination rates were in 20 and 25°C for P. ovata and P. psyllium, respectively. Maximum seed germination occurred for P.ovata (100%) and P. psyllium (99%) in 15 and 25°C, respectively. Optimum thermal range for seed germination of P. ovata was (10-20°C) and for P. psyllium was (15- 25°C). By increasing or decreasing temperature beyond the optimal thermal range, percentage of seed germination was decreased significantly. Based on linear regression between germination rate and temperature in both species, the CARDINAL TEMPERATUREs: minimum (Tmin), optimum (To) and maximum (Tmax) were determined which were: 4.4, 19.0 and 25.5°C for P.ovata and 9.4, 28.8 and 35 °C for P. psyllium, respectively.

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APA: Copy

TABRIZI, L., NASIRI MAHALATI, MAHDI, & KOUCHAKI, ALI REZA. (2005). INVESTIGATIONS ON THE CARDINAL TEMPERATURES FOR GERMINATION OF PLANTAGO OVATA AND PLANTAGO PSYLLIUM. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 2(2), 143-150. SID. https://sid.ir/paper/119032/en

Vancouver: Copy

TABRIZI L., NASIRI MAHALATI MAHDI, KOUCHAKI ALI REZA. INVESTIGATIONS ON THE CARDINAL TEMPERATURES FOR GERMINATION OF PLANTAGO OVATA AND PLANTAGO PSYLLIUM. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2005;2(2):143-150. Available from: https://sid.ir/paper/119032/en

IEEE: Copy

L. TABRIZI, MAHDI NASIRI MAHALATI, and ALI REZA KOUCHAKI, “INVESTIGATIONS ON THE CARDINAL TEMPERATURES FOR GERMINATION OF PLANTAGO OVATA AND PLANTAGO PSYLLIUM,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 2, no. 2, pp. 143–150, 2005, [Online]. Available: https://sid.ir/paper/119032/en

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