STUDY GERMINATION RESPONSE OF FORAGE SORGHUM LINES TO TEMPERATURE CHANGES

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KHODARAHMPOUR Z.

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Journal: CROP PHYSIOLOGY Year:2015 | Volume: | Issue: Page(s): 0-0

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Title

STUDY GERMINATION RESPONSE OF FORAGE SORGHUM LINES TO TEMPERATURE CHANGES

Author(s)

KHODARAHMPOUR Z. | Issue Writer Certificate

Keywords

FORAGE SORGHUMQ3

GERMINATION COMPONENTS AND CARDINAL TEMPERATURESQ2

Abstract

Prediction of germination time is one of the main goals of seed researchers. Therefore in order to evaluation the cardinal temperatures and the investigation response of promising FORAGE SORGHUM lines to temperature, this experiment was conducted as factorial in a completely randomized design with three replications, 15 FORAGE SORGHUM lines and nine fixed temperatures 10, 15, 20, 25, 30, 35, 40, 45 and 50˚C at Seed Technology Laboratory of Islamic Azad University Shoushtar Branch in 2013.Results of analysis of variance showed that investigated germination components for factor line, temperature and interaction line × temperature were significant. The maximum germination percent-age in temperatures 20, 25 and 30oC and the most speed rate, uniformity of germination and the minimum duration time till 95 percent the maximum germination (D95) in temperature 40oC was obtained. With temperature drop from 40oC, germination speed rate and D95 gradually decreased and increased, respectively.The base temperature (Tb) of FORAGE SORGHUM lines from 9.36oC (KFS11) to 14.28oC (KFS2), optimum temperature (To) from 23oC (KFS2) to 37.2˚C (KFS11) and maximum temperature (Tc) from 40.7oC (KFS2) to 49.76oC (KFS15) varied. Cluster analysis with ward’s method in the basis 7 studied traits led to three clusters formation. Third cluster included the lines KSF6, KSF7, KSF9 and KSF10 with the maximum percentage, rate and uniformity of germination and the minimum D95 jointly in temperatures 25oC, 30oC, 35oC and partially 40oC therefore these lines are recommended for supplementary researches.

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APA: Copy

KHODARAHMPOUR, Z.. (2015). STUDY GERMINATION RESPONSE OF FORAGE SORGHUM LINES TO TEMPERATURE CHANGES. CROP PHYSIOLOGY, 7(27), 0-0. SID. https://sid.ir/paper/356234/en

Vancouver: Copy

KHODARAHMPOUR Z.. STUDY GERMINATION RESPONSE OF FORAGE SORGHUM LINES TO TEMPERATURE CHANGES. CROP PHYSIOLOGY[Internet]. 2015;7(27):0-0. Available from: https://sid.ir/paper/356234/en

IEEE: Copy

Z. KHODARAHMPOUR, “STUDY GERMINATION RESPONSE OF FORAGE SORGHUM LINES TO TEMPERATURE CHANGES,” CROP PHYSIOLOGY, vol. 7, no. 27, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/356234/en

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