EFFECT OF SEED DETERIORATION ON THE GROWTH RESPONSE OF WHEAT UNDER WATERLOGGING STRESS

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KHEIRABADI F.; SOLTANI A.; GALESHI S.; SOLTANI A.; NEHBANDANI A.R.

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Journal: Crop Production Year:2016 | Volume:9 | Issue:2 Page(s): 1-18

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Title

EFFECT OF SEED DETERIORATION ON THE GROWTH RESPONSE OF WHEAT UNDER WATERLOGGING STRESS

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Keywords

GROWTH AND ANALYSIS OF GROWTH FACTORSQ3

SEED DETERIORATIONQ2

WATERLOGGING STRESSQ2

WHEATQ1

Abstract

Background and objectives: SEED DETERIORATION and WATERLOGGING STRESS are factors that lead to lower growth. Lower vegetative growth can cause lower emergence rate and percent and lead to lower plant density under unsuitable condition and decrease seed yield. On the other hand, SEED DETERIORATION may affect plant growth which can be used to quantify growth analysis.Materials and methods: In order to investigate the mechanisms that lead to the reduction of growth and interaction of these two factors, a factorial experiment was conducted in a randomized complete block design (3 treatments seed quality for 0, 72 and 144 hours of accelerated aging and four treatments involves waterlogging 0, 5, 10 and 15 days of flooding)) in four replications. In this research WHEAT seeds (Daria) were aged by accelerated aging in the laboratory for producing different seed quality treatments.Results: The results of laboratory studies showed that SEED DETERIORATION reduced germination and seedling growth. In the greenhouse, the plants during the tiller stage of control treatment (TS) (before WATERLOGGING STRESS) and heading stage of control treatment (HS) (after WATERLOGGING STRESS) were harvested. By increasing accelerated aging, number of plants decreased in TS stage. In HS stage plant and tiller number affected by aged seed, with increasing SEED DETERIORATION plant number reduced but tiller number increased. At TS stage ground cover was not completed and leaf area and dry weight is depend on plant density and they reduced with SEED DETERIORATION. WATERLOGGING STRESS reduced leaf area per pot. At TS stage with increasing SEED DETERIORATION relative growth rate (RGR) increased significantly. One of the reasons for higher RGR of plant from aged seeds is lower plant density and plants tend to compensate lower canopy closure. After WATERLOGGING STRESS RGR, Net absorption rate, relative leaf area and relative leaf weight significantly affected by SEED DETERIORATION but WATERLOGGING STRESS and interaction effect of SEED DETERIORATION and waterlogging effects were not significant.Conclusion: SEED DETERIORATION treatments, WATERLOGGING STRESS and their interaction were effective on the growth response mentioned in WHEAT.

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APA: Copy

KHEIRABADI, F., SOLTANI, A., GALESHI, S., SOLTANI, A., & NEHBANDANI, A.R.. (2016). EFFECT OF SEED DETERIORATION ON THE GROWTH RESPONSE OF WHEAT UNDER WATERLOGGING STRESS. ELECTRONIC JOURNAL OF CROP PRODUCTION, 9(2), 1-18. SID. https://sid.ir/paper/135169/en

Vancouver: Copy

KHEIRABADI F., SOLTANI A., GALESHI S., SOLTANI A., NEHBANDANI A.R.. EFFECT OF SEED DETERIORATION ON THE GROWTH RESPONSE OF WHEAT UNDER WATERLOGGING STRESS. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2016;9(2):1-18. Available from: https://sid.ir/paper/135169/en

IEEE: Copy

F. KHEIRABADI, A. SOLTANI, S. GALESHI, A. SOLTANI, and A.R. NEHBANDANI, “EFFECT OF SEED DETERIORATION ON THE GROWTH RESPONSE OF WHEAT UNDER WATERLOGGING STRESS,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 9, no. 2, pp. 1–18, 2016, [Online]. Available: https://sid.ir/paper/135169/en

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