THE EFFECT OF SEED AGING ON WHEAT EMERGENCE ON THE RESPONSE OF ENVIRONMENTAL STRESS

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SOLTANI E.; KAMKAR B.; GALESHI S.A.; AKRAM GHADERI F.

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Journal: Crop Production Year:2009 | Volume:2 | Issue:2 Page(s): 43-57

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Title

THE EFFECT OF SEED AGING ON WHEAT EMERGENCE ON THE RESPONSE OF ENVIRONMENTAL STRESS

Author(s)

SOLTANI E. | KAMKAR B. | GALESHI S.A. | AKRAM GHADERI F. | Issue Writer Certificate

Keywords

SEED AGINGQ2

EMERGENCEQ2

SALINITYQ2

DROUGHTQ2

SOWING DEPTHQ3

Abstract

Emergence of crops is affected by environmental factors such as soil water, SALINITY and sowing and seed quality. The present study was conducted to evaluate the effect of SEED AGING (seed quality) on EMERGENCE of wheat under optimum (control) and stressful conditions including SALINITY (2 levels), DROUGHT (2 levels) and deep SOWING DEPTH (physical stress). Seeds (cv. ‘Zagros’) were kept at a high temperature (43°C) and high relative humidity (90-95%) to create different classes of SEED AGING. Factorial combinations of 5 SEED AGING treatments (0, 48, 72, 96 and 144 h accelerated aging periods) and 6 levels of environmental factor were treatments of the experiment. Results indicated that maximum and rate of EMERGENCE reduced significantly with increase in the duration of accelerated aging in all environmental factors. Decreasing slope of maximum EMERGENCE for control, medium DROUGHT, severe DROUGHT, SOWING DEPTH, medium SALINITY, severe SALINITY were 0.192, 0.304, 0.152, 0.296, 0.221 and 0.184, respectively. Decreased percent of EMERGENCE in 0 h compared with 48, 72, 96 and 144 h at control environment condition were 9.10, 5.68, 21.59 and 27.27 respectively. But, this decreased percent of EMERGENCE increased in stress conditions. Overall, seeds of high vigor had better EMERGENCE than low vigor seeds in stress and they had higher maximum EMERGENCE and rate.

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ACER CINERACENS BOISS SEED QUALITY IN RELATION TO SEED DETERIORATION UNDER ACCELERATED AGING CONDITIONS

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APA: Copy

SOLTANI, E., KAMKAR, B., GALESHI, S.A., & AKRAM GHADERI, F.. (2009). THE EFFECT OF SEED AGING ON WHEAT EMERGENCE ON THE RESPONSE OF ENVIRONMENTAL STRESS. ELECTRONIC JOURNAL OF CROP PRODUCTION, 2(2), 43-57. SID. https://sid.ir/paper/134934/en

Vancouver: Copy

SOLTANI E., KAMKAR B., GALESHI S.A., AKRAM GHADERI F.. THE EFFECT OF SEED AGING ON WHEAT EMERGENCE ON THE RESPONSE OF ENVIRONMENTAL STRESS. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2009;2(2):43-57. Available from: https://sid.ir/paper/134934/en

IEEE: Copy

E. SOLTANI, B. KAMKAR, S.A. GALESHI, and F. AKRAM GHADERI, “THE EFFECT OF SEED AGING ON WHEAT EMERGENCE ON THE RESPONSE OF ENVIRONMENTAL STRESS,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 2, no. 2, pp. 43–57, 2009, [Online]. Available: https://sid.ir/paper/134934/en

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