Volume 2, Issue 1 ((Spring and Summer) 2015)                   Iranian J. Seed Res. 2015, 2(1): 127-133 | Back to browse issues page


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Jalilian J, khaliliaqdam N. Effect of Alternative Temperatures on Germination Rate of Rocket Seed (Eruca sativa). Iranian J. Seed Res.. 2015; 2 (1) :127-133
URL: http://yujs.yu.ac.ir/jisr/article-1-43-en.html
Agronomy Department, Urmia University, Urmia, Iran , j.jalilian@urmia.ac.ir
Abstract:   (32596 Views)

Rocket (Eruca sativa) is an important medicinal plant which not be done any experiment about its germination quantification response to temperature. Thus, an experiment base on CRD performed in seed research laboratory of Urmia University with four replications with ten levels of temperatures includes 1, 3, 5, 10, 15, 20, 25, 30, 35 and 40 0C. Results revealed that the temperature had significant effects on the rate and germination percent and Dent-like model estimated greatly cardinal temperature (base, upper and bottom optimum and ceiling temperatures). Germination rate stopped at equal and less than 0.79 and equal and higher than 47.6 0C and Rmax were 0.066 in 16.9-32.6 0C. Also, results emphasized that Rocket seed needs low temperature for germination but, germination rate and percent of Rocket increased by temperature increment. Therefore, the Rocket can germinate and emerge in dispersal spans of an environmental thermal from 0.79 to 47.6 0C and thus recognized as a crop with allowable production for various seasons and climate.

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Type of Study: Research | Subject: Seed Physiology
Received: 2014/11/22 | Accepted: 2015/03/14

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